Answer:
Petiole
Explanation:
The petiole is a stalk that connects the blade with the leaf base.
If a DNA molecule is made up of 24% Thymine, theoretically, what percentage would be made up of Cytosine?
Answer:
Explanation:
28%
Which of the following shows the evolutionary relationships between organisms?
Branching tree
Binomial nomenclature
Three-domain classification
Taxonomic key
Answer:
Answer is A.
Explanation:
I hope it's helpful!
Answer: A
Explanation: 100% :)
TRUE or FALSE? The development of homes
and building can threaten Wetland
ecosystems since water is required to
cleared.
A) False
B) True
Answer:
True
hope you have a great day!
Will reward 100 pts and brainly if you answer this question correct How do cells determine what size to grow to before dividing?
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▹ Answer
The cell will grow 2 cm long, and it caused by certain factors listed below.
▹ Step-by-Step Explanation
The size of the cell depends on many parts such as breakdown, nutrition, and synthesis. The cells will generally grow 2 cm long so that it can divide itself in half, like it does in mitosis and meiosis.
Hope this helps!
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Brainliest is greatly appreciated!
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Answer:
The genes in the DNA of a cell also determine the size the cell would grow in its lifetime and these are mostly because of adaptive evolution.
Explanation:
A brainliest would be appreciated very much
A student observes some sugar as it is heated and bums. The student concludes that a
chemical reaction has occurred. Which of the following observations about the burning sugar
provides evidence of a chemical reaction?
Answer:
I think that's the process of melting
Explanation:
when the sugar molecules are heated, the molecules of it wil decompress
TUECOLOR
4. Which term best describes the diet of a primary consumer?
a. Detritivore
b. Omnivore
c. Carnivore
d. Herbivore
HELP PLEASE ILL MARK BRAINLIST
Answer:
D. herbivore
Primary consumers are always herbivores
what are the major parts of most prokaryotic cells?
Answer:
a plasma membrane: an outer covering that separates the cell's interior from its surrounding environment. cytoplasm: a jelly-like cytosol within the cell in which other cellular components are found. DNA: the genetic material of the cell. ribosomes: where protein synthesis occurs.
gwas involve scanning the genomes of thousands of unrelated individuals with a particular disease and comparing them with the genomes of individuals who do not have the disease.
Genome-wide association studies (GWAS) involve comparing the genomes of thousands of unrelated individuals with a particular disease to those of individuals who do not have the disease.
GWAS is a powerful research method used to identify genetic variations that are associated with specific diseases or traits. It involves analyzing the genomes of a large number of individuals, typically thousands, with the disease of interest and comparing them to individuals without the disease, known as controls.
By scanning the genomes of these individuals, researchers can detect genetic variations, such as single nucleotide polymorphisms (SNPs), that are more frequently present in the affected individuals compared to the controls.
The goal of GWAS is to identify genetic markers or variants that are statistically associated with the disease being studied. These markers can provide valuable information about the underlying genetic factors contributing to the disease, potentially leading to a better understanding of its causes, development, and potential therapeutic targets.
GWAS has been instrumental in unraveling the genetic basis of various complex diseases, including diabetes, cardiovascular disorders, and cancer.
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PLEASE HELPPP!! A student is designing an experiment to find out how temperature affects the rate of
photosynthesis.
To test this, what organism should she use?
A
mold
В.
earthworms
C.
mushrooms
D. phytoplankton
I think earthworm because they help plants grow faster.
what are some similarities and between Gigantopithecus and humans?
Answer:
Gigantopithecus could stand on its hind legs, and the known jaws of Gigantopithecus widen towards the rear and proposed that this widening occurred to allow for the housing of a trachea (the ‘windpipe’ that connects the lungs to the mouth opening) when the skull was placed directly in top of the head like a human and not carried forward like a great ape.
what structure is produced when protein fibers radiate from
Answer:
Protein fibers radiating from centrioles result in the formation of spindle fibers. In the centrosome of an animal cell, centrioles are found as paired cylindrical organelles with pericentriolar material (PCM).
Explanation:
10. Refer to p. 484 of your textbook. In sex-linked heredity, the characteristic gene is found on the X
(sex) chromosomes; therefore, it is inherited along with the sex of the individual. Hemophilia (X") is
the result of a recessive sex-linked allele. A carrier has one recessive allele for hemophilia; therefore,
she does not have hemophilia but can pass it on. If a normal male marries a carrier, what is the
probability that they will produce a male child who will be a hemophiliac? What is the probability
that they will produce a female child who will have the disease? What is the probability that they
will have a daughter who is a carrier?
Answer:
they have a chance of 25% of producing a male child who will be haemophiliac.
Explanation:
0% of producing a female child who will have haemophilia
25% of having a daughter who is a carrier
The precentage of offspring would be heterozygous from the following cross of alleles BB(dominant) x bb(recessive)
A. 25%
B. 50%
C. 100%
Answer:
C. 100%
Explanation:
Refer to image :)
Six most common elements in the human body
Explanation:
carbon, hydrogen, nitrogen, oxygen, sulphur and phosphorus
Answer:
Almost 99% of the mass of the human body is made up of six elements: oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus. Only about 0.85% is composed of another five elements: potassium, sulfur, sodium, chlorine, and magnesium.
Explanation:
How does understanding the history of credit make you think differently about credit cards and other forms of debt?
(btw please make it not that long)
The amount of debt you owe on your credit card history is one of the biggest factors affecting your credit score.
What is credit history and why is it important?Credit history is a record of how you've used credit. This plays an important role in calculating your credit score. Potential lenders use it as a way to understand how you handle your financial obligations over time.
Credit scores play a huge role in your financial life. They help lenders decide whether you're a good risk. Your score can mean approval or denial of a loan. It can also factor into how much you're charged in interest, which can make debt more or less expensive for you.
Use them unwisely, and your credit can suffer, which affects your ability to borrow money in the future. Understanding how credit cards work will help you choose the right cards for you, manage them well and save money.
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PLEASE HELP!!
Which type of fossils are used to identify specific time periods?
A) index fossils
B) all fossils
C) body fossils
D) trace fossils
Answer:
Index
Explanation:
An index fossil can be used to identify a specific period of time. Organisms that make good index fossils are distinctive, widespread, and lived briefly. Their presence in a rock layer can be used to identify that period of time over a large area.
Answer:An index fossil
Explanation:An index fossil can be used to identify a specific period of time. Organisms that make good index fossils are distinctive, widespread, and lived briefly. Their presence in a rock layer can be used to identify that period of time over a large area.
It is winter, and you want to know where it might snow today. Look at the predicted temperature for each state. Then identify the states where it could snow today.
Washington 2'C/35'F
California 15'C/59'F
North Dakota -10'C/14'F
Michigan -2'C/28'F
Florida 17'C/63'F
A)California, North Dakota, Washington
B)Michigan, California, Florida
C)North Dakota, Michigan
D)California, Florida, Washington
Science
Answer:
C-North Dakota and Michigan
Explanation:
It has to be 32’F or less to snow.
Answer:
c
Explanation:
which is North Dakota, Michigan
question and options are in the picture
Ravi was asked by her boss Bob to deliver an order to a customer using the company van. Bob was hesitant to use Ravi as a delivery person because although Ravi has never had a car accident before she has a reputation amongst her friends and work colleagues for driving fast and getting speeding tickets in her own car. Ravi insisted she would be careful, and Bob knew that the customer really needed the order. Ravi drove carefully and dropped off the products to the customers warehouse. Eager to return the van, she sped as much as 25km over the speed limit on her way to deliver the van back the office. While rounding a curve, she lost control of the van, which tumbled off the road and down a hill, crashing into a tree. lan happened to witness the incident. He stopped his car at the top of the hill and ran down to help. Unfortunately, in his rush to help, he did not put the hand break on in his car and it also rolled down the hill and hit a shed. Ravi emerged from the van dazed but without a scratch. The van and lan's car, however, were severely damaged. lan's car was unable to be repaired and he had to buy a new vehicle. lan had been about to start a new his new home construction business and the delay in getting a suitable vehicle meant that it took an extra 3 months to get the business off the ground. Required 1) Using the law of Negligence explain who the Duty of Care is owed to by: () a) Ravi b) Bob c) lan
Negligence is a legal term used to describe careless behavior that causes damage to another person. The law of Negligence is used to establish whether a person is liable for injuries caused by their actions or omissions.
A duty of care is a legal responsibility that one person or organization has to another person or organization. The concept of a duty of care is central to the law of negligence. In this case, the duty of care is owed by Ravi, Bob, and Lan: RaviThe Duty of Care is owed by Ravi, who was driving the company van. Ravi owed a duty of care to her employer, Bob, and her colleagues, as well as to other road users. Ravi had a duty to drive safely and avoid causing injury or damage to others or their property.
Ravi was negligent when she drove the van at high speed and lost control of the vehicle, causing it to crash. Her negligence resulted in damage to the van, as well as damage to Lan's car. Bob Bob also had a duty of care, as he is Ravi's employer. Bob was responsible for ensuring that Ravi was fit to drive the company van and that she had the necessary skills and experience to operate the vehicle safely. Bob was also responsible for ensuring that the van was in good condition and roadworthy. Bob was negligent when he allowed Ravi to drive the van, knowing that she had a reputation for speeding and driving recklessly.
He could have assigned the delivery to another driver who had a good driving record. LanLan is not liable for any damage caused to Ravi's van as he was not responsible for driving it. However, he was owed a duty of care by Ravi when she caused damage to his car. Ravi's negligent driving resulted in the destruction of the man's car, which had to be replaced. As a result of the accident, Lan was delayed in starting his new home construction business, which caused him to incur a loss. Ravi was responsible for the losses suffered by Lan, and she could be sued for damages caused by her negligence.
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What is a business leader's point of view on Genetic Engineering?
Guide questions:
○ What are the problems?
○ What are the consequences?
○ Who are affected?
○ How are those people affected?
○ What are the other issues related to it?
Answer:
The views of business leaders on genetic engineering are likely to vary depending on their individual perspectives and the specific industries they are involved in. However, some potential concerns and considerations that may be relevant to business leaders regarding genetic engineering include:
Problems: One of the main problems with genetic engineering is the potential for unintended consequences. Altering genes can have unpredictable effects on an organism, and it may not be possible to fully understand or anticipate all of the risks involved. There may also be ethical concerns about manipulating the genetic makeup of living organisms.
Consequences: Depending on the specific application of genetic engineering, there may be various consequences to consider. For example, genetic engineering could potentially be used to create new medicines or treatments, but there may also be concerns about the safety and efficacy of these products. Genetic engineering could also be used to modify crops or animals for various purposes, such as increasing yields or improving resistance to disease, but this could have potential environmental or health impacts.
Affected parties: Depending on the application of genetic engineering, various parties may be affected. For example, the development of new genetically modified crops could affect farmers, consumers, and the environment. The use of genetic engineering in medicine could affect patients, healthcare providers, and the pharmaceutical industry.
Impacts on affected parties: Depending on the specific application, genetic engineering could have various impacts on affected parties. For example, new genetically modified crops could potentially improve yields and profits for farmers, but they could also have unintended environmental consequences or face opposition from consumers who are skeptical of genetically modified foods.
Other issues: There are many other issues related to genetic engineering that could be relevant to business leaders, such as regulatory frameworks, intellectual property rights, and public perception. Business leaders may need to navigate these issues to determine the potential benefits and risks of investing in or utilizing genetic engineering technologies in their industries.
The diagram is a cladogram that shows evolutionary relationships among several animal species.
Consider the clade that contains the lizard and wallaby but not the other animals listed in the diagram. What properties are common to all
of the members of this clade?
OA. Clade members physically resemble either lizards or wallabies, and they may or may not resemble other animals.
B. Clade members develop from an amniotic egg, and they may or may not use mammary glands to feed their young.
OC. Clade members have four limbs, and they may or may not develop from an amniotic egg.
D. Clade members develop from an amniotic egg, but they do not use mammary glands to feed their young
Properties common to all of the members of this clade : B.) Clade members develop from amniotic egg, and they may or may not use mammary glands to feed their young.
Considering the clade of lizard and wallaby, what properties are common to all members of this clade?Clade members develop from amniotic egg, and they may or may not use mammary glands to feed their young.
This is because the lizard and wallaby are both amniotes, which means that they develop from amniotic egg that is surrounded by a fluid-filled membrane. This is a characteristic shared by all amniotes, including birds, reptiles, and mammals.
While wallabies are marsupials and give birth to relatively undeveloped young that complete their development in a pouch, lizards are not mammals and do not have mammary glands to feed their young.
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Which statement illustrates bias in scientific research?(1 point)
A. A microbiologist publishes data funded by the National Institutes of Health that does not support their original hypothesis.
B. A botanist publishes data about plant growth that does not support their original hypothesis and is replicable.
C. An ecologist publishes data funded by a construction company which supports their original hypothesis that an endangered animal's territory is not endangered.
D. A zoologist publishes incomplete data on sloths which supports their original hypothesis and notes that more research is required.
Answer:
D
Explanation:
The statement that illustrates bias in scientific research is an ecologist publishes data funded by a construction company that supports their original hypothesis that endangered animal's territory is not endangered (option C)
In scientific research, bias can occur when the results or processes are manipulated on purpose. This usually occurs if:
The researcher wants the hypothesis to match the resultsThe researcher or sponsor has an economic interestScientific research occurs in situation B because it is convenient for the construction company to show that endangered animal's territory is not endangered as this would allow the company to build in certain areas and therefore, they are likely to manipulate the results of this research.
According to this, option B shows scientific bias. On the other hand, other options do not show bias because in these the results do not seem to be manipulated.
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give two similarities between the way the fungus feeds and the way that you feed
What are potential harms of minimally invasive tests like blood work or an ecg? select all that apply.
Minimally invasive tests like blood work or an ECG (electrocardiogram) have numerous benefits, but there are potential harms associated with them as well.
The potential harms of these tests include:
1. Discomfort: Blood work involves the insertion of a needle into a vein, which can cause discomfort or pain. Similarly, an ECG requires the attachment of electrodes to the skin, which some individuals may find uncomfortable.
2. Bruising or bleeding: Blood work may lead to bruising or bleeding at the site of the needle insertion. This can occur if a blood vessel is damaged during the procedure or if the patient has a bleeding disorder.
3. Infection: There is a slight risk of infection associated with both blood work and an ECG. Although the risk is low, it is still possible to develop an infection at the site of needle insertion or where the electrodes are placed.
4. Allergic reactions: In rare cases, individuals may have allergic reactions to the materials used in blood work or the adhesive used to attach electrodes in an ECG. These reactions can range from mild skin irritation to more severe symptoms such as difficulty breathing.
5. False results: Both blood work and an ECG can potentially produce false results. Factors such as improper sample handling, equipment malfunction, or patient movement during the procedure can affect the accuracy of the test.
It's important to note that these potential harms are relatively uncommon and the benefits of these tests typically outweigh the risks. However, it is always essential to discuss any concerns or risks with a healthcare professional before undergoing these tests.
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My teacher didn't really teach us well enough so could anyone explain how to do it or just the answers?
The blank fill up are:
AnaphaseProphaseCentromereChromatidMitosis and cytokinesisSpindle fiberTelophaseInterphaseSpindle fiber or mitotic spindleCell plateInterphaseWhat is the Cell cylce about?Anaphase: During anaphase of mitosis, the centromeres divide and the chromatids, which are now separate chromosomes, are pulled apart by the spindle fibers towards opposite poles of the cell.
Prophase: Prophase is the first phase of mitosis. During this phase, the chromatin in the nucleus condenses to form visible chromosomes, the nuclear envelope breaks down, and the spindle fibers begin to form.
Lastly, Centromere: The centromere is a structure that connects the two sister chromatids of a chromosome. During cell division, the centromere is responsible for attaching the chromosome to the spindle fibers.
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See transcribed text below
THE CELL CYCLE WORKSHEET
Fill in the blank: Some will be used more than once.
A. Prophase
B. Interphase
C. Telophase
D. Metaphase
E. Anaphase
F. Centromere
G. Chromatid H. Cytokinesis 1. Mitosis
J. Spindle fiber
K. Cell plate
1. During what phase of mitosis do centromeres divide and the chromosomes move toward their respective poles?
2. What is the phase where chromatin condenses to form chromosomes?
3. What is the name of the structure that connects the two chromatids?
4. In a chromosome pair connected by a centromere, what is each individual chromosome called?
5. What are the two parts of cell division?
6. What structure forms in prophase along which the chromosomes move?
7. Which phase of mitosis is the last phase that chromatids are together? 8. Which phase of the cell cycle is characterized by a non-dividing cell? 9. What structure is produced when protein fibers radiate from centrioles? 10. What forms across the center of a plant cell near the end of telophase? 11. The period of cell growth and development between mitotic divisions?
35. Cows host a variety of bacteria in their bodies. Many of these bacteria live in their digestive tracts and
help them digest the grasses they eat. In turn, the bacteria receive a place to live and a plentiful food
supply. What kind of relationship is this?
A) mutualism B) commensalism C) competition D) parasitism
Explain how form and function are related in human cells, including examples. Use at least five sentences in your answer. The shape of a cellular structure is related to the function they have perform
Compare and contrast epithelial and muscle tissues. Use at least three sentences in your answer.
Explanation:
Form and function are intimately related in human cells. The shape and structure of cellular components are often specifically designed to carry out their respective functions effectively. For example, red blood cells are disc-shaped with a concave center, which increases their surface area for efficient oxygen and carbon dioxide exchange. Neurons have long, branching extensions called dendrites and axons, allowing them to transmit electrical signals over long distances.
Epithelial tissues are composed of closely packed cells that form protective barriers and linings in the body. They cover external surfaces (such as the skin) and line internal organs and cavities (such as the digestive tract). In contrast, muscle tissues consist of cells that are specialized for contraction and movement. There are three types of muscle tissues: skeletal muscle, responsible for voluntary movements; cardiac muscle, found in the heart; and smooth muscle, which controls involuntary movements in organs like the intestines.
Epithelial tissues primarily function in protection, absorption, and secretion. They have tightly packed cells with minimal extracellular matrix. In contrast, muscle tissues are specialized for contraction and movement. They contain long, elongated cells (muscle fibers) that can generate force. Skeletal muscle is striated and allows for voluntary movements, while cardiac and smooth muscles have different structures and functions specific to their respective roles in the body.
In summary, the relationship between form and function is evident in human cells. Cellular structures are designed with specific shapes and arrangements to perform their functions efficiently. Epithelial tissues provide protective barriers and linings, while muscle tissues enable contraction and movement. Understanding the relationship between form and function helps us appreciate the intricate design of cells and tissues in the human body.
Discussion Topic
Each substance has a unique set of properties that depends on the kinds of atoms it
has and how the atoms are connected, or bonded. Bonding is related to the electrons in
an atom, and there are different kinds of bonds. As a result, some substances can have
the same atoms but different bonds. Substances that are different but have the same
atoms are called allotropes. Allotropes have very different properties.
Diamond and graphite are well-known allotropes. Graphite is used in pencils for writing
and is sometimes called lead. Diamond is colorless and transparent, and is one of the
hardest substances known. Graphite is dark gray and soft. When we write, layers of
graphite easily transfer from the pencil to the paper. Although they're different, diamond
and graphite each only contain one kind of atom-carbon.
How do you think the bonds between carbon atoms might be different in diamond and
graphite? Use household materials to build physical models to help you develop your
ideas. Describe what you learned from your models. What other kinds of allotropes are
there? What kinds of properties and atomic bonds do they have?
8 Response(s)
Diamond and graphite are two different forms of carbon with unique properties. Diamond is very hard and transparent, while graphite is soft and dark gray, often used in pencils. Despite both being made of carbon atoms, they have different bonding arrangements.
In diamond, carbon atoms are tightly bonded in a three-dimensional structure. Each carbon atom is connected to four neighboring carbon atoms, forming a strong lattice. This arrangement gives diamond its hardness and transparency.
In graphite, carbon atoms are arranged in layers. Within each layer, the carbon atoms form hexagonal patterns and are bonded together. However, the layers are held together by weaker forces, allowing them to slide past each other easily. This is why graphite is soft and can leave marks on paper when we write.
Besides diamond and graphite, there are other types of carbon allotropes. For example, fullerenes are spherical carbon molecules with unique properties. Carbon nanotubes are cylindrical structures made of rolled-up graphene sheets. These different allotropes have their own distinct properties based on their bonding arrangements.
So, even though diamond and graphite are made of the same carbon atoms, their different bonding structures result in their contrasting properties, such as hardness, transparency, and softness. Exploring these allotropes and their atomic bonds helps us understand the relationship between the structure of substances and their properties.
The bonding structures between carbon atoms in diamond and graphite differ, resulting in varied properties. Creating physical models from everyday items can help visualize these structures. Other carbon allotropes include fullerene and graphene, each with unique bonding and properties.
Explanation:The bonds between carbon atoms in diamond and graphite differ in the way they are structured. In a diamond, each carbon atom is bonded to four other carbon atoms in a tetrahedral structure. This strong, three-dimensional network of bonds is what gives diamond its hardness. On the other hand, in graphite, each carbon atom is bonded to three others in a layered, hexagonal structure. This allows layers to slide over each other easily, making graphite soft and slippery.
For building physical models, you could use marshmallows or beads to represent carbon atoms and toothpicks or straws for bonds: arrange them in different ways for diamond and graphite. From this, you'll learn that the same atoms can form different structures with different properties based on their bonding.
Other allotropes of carbon include fullerene (spherical-shaped) and graphene (one-atom-thick layer of carbon). Fullerene has weak van der Waals forces between its molecules, and graphene has a strong, two-dimensional network of carbon atoms.
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How do you know if something is alive
Answer:
it has all of the seven traits
Explanation:
Answer:
you know if something is alive by
Explanation:
checking its pulse and if you feel a pulse then its alive
or you can see if they are breathing
if they are then they are alive
if an owl and a hawk both eat mice, what is the relationship between a hawk and an owl? group of answer choices
The relationship between a hawk and an owl can be described as competitors or competitors with overlapping niches.
Hawks and owls are both predatory birds that feed on mice and other small mammals. They occupy similar ecological niches as aerial hunters and share a common food source. As a result, they can be considered competitors in terms of resource utilization.
Competitors are organisms that compete for the same resources within an ecosystem. In this case, hawks and owls compete for prey, specifically mice. They may compete for territories, hunting grounds, or specific prey individuals. This competition can lead to adaptations and behaviors that allow each species to maximize their hunting success and reduce direct competition
However, it is important to note that while hawks and owls are competitors, they can also coexist within the same habitat by utilizing different hunting strategies or occupying slightly different ecological niches. For example, some owl species are more adapted for hunting at night, while hawks are diurnal hunters. These differences in behavior and habitat use help minimize direct competition and allow both species to coexist in the ecosystem.
Overall, the relationship between a hawk and an owl is one of competition for shared resources, but it can also involve niche differentiation and coexistence strategies to minimize direct competition.
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