Answer:
Deoxyribonucleic acid (DNA) is a nucleic acid that contains the genetic instructions for the development and function of living things. All known cellular life and some viruses contain DNA. ... The major function of DNA is to encode the sequence of amino acid residues in proteins, using the genetic code.
Explanation:
Answer:
DNA contains the instructions needed for an organism to develop, survive and reproduce. To carry out these functions, DNA sequences must be converted into messages that can be used to produce proteins, which are the complex molecules that do most of the work in our bodies
Explanation:
The most common bacteria to cause infections from soaking in a hot tub is__________. Escherichia coli Pseudomonas aeruginosa Staphylococcus epidermidis Staphylococcus aureus
Answer:
pseudomonas folliculitis
Based on the literature, you hypothesize that students in traditional biology lectures will have the same grades as students in online biology lectures. You decide to test your hypothesis by comparing grades of students in traditional and online biology lectures over a semester. As a result of the experiment, you observe that the grades in the traditional lectures and the grades in the online lectures are not significantly different. What do these observations allow you to do
Answer:
See the answer below
Explanation:
The observation allows one to make a conclusion based on the hypothesis.
From the observation that the grades in the traditional lectures are significantly different from the grades in the online lectures, the hypothesis that students in traditional biology lectures will have the same grades as students in online biology lectures would be rejected.
The observation of the significant difference, thus, helps to reject the initial hypothesis, also known as the null hypothesis.
Which specialized cell help
support the spongin?
A. Sessile Cells
B. Choanocytes
C. Amoebocytes
choanocytes help
move, feed, & filtering
sessile help
attach & stay in one place
amoebocytes help
digestion & give the sponge structure by making spongin protein
chatgpt
a student analyzes a genomic dna sequence of 100 nucleotides in order to determine if it is part of a gene. when she translates the sequence beginning with the first three nucleotides at the 5' end of one strand as a triplet, she finds that the tenth codon is taa (a stop codon). what should she (a sensible genetics student) do next?
The student should identify the sequence that should be translated into the other five reading frames.
The sequencing of a genome is not an end in and of itself. Understanding what the genome includes and how the genome works is still a very difficult task. To locate the genes and their regulatory areas, the former is handled using a mix of computer analysis and experiments. These techniques are the focus of the first section of this chapter. Understanding how the genome works are the second question, which is just another way of articulating the goals of molecular biology during the past 30 years.
Several techniques may be used to identify the genes that are present after a DNA sequence has been acquired, whether it be the sequence of a single cloned fragment or a whole chromosome.
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Drag the tiles to the correct boxes to complete the pairs. Match the soil conservation technique to its explanation.
Answer:
contour farming => process of growing crops perpendicular to the direction of the land's slope.
grassed waterways =>planting grass in shallow channels.
crop rotation =>practice of growing different crops in succession in a field.
cover cropping and mulching => process of covering the soil surface around a plant with materials such as hay or leaf debris.
1. Which statement presents an advantage of using electronic ballots?
a. Results can be quickly and accurately counted and shared.
b. Voters can quickly and accurately learn to use the system.
c. Hackers cannot access the system to change the results.
d. Ballots are immune to electronic bugs and errors.
2. Which of these describes digital transmissions and not analog transmissions?
a. continuous
b. 1s and 0s
c. smooth
d. sine waves
Voters can quickly and accurately learn to use the system. The one that describes digital transmissions and not analog transmissions is 1s and 0s. The correct options are b and b respectively.
What is data transmission?The movement of data from one digital device to another is known as data transmission. Through point-to-point data streams or channels, this transmission is carried out.
Signals containing information often come in the form of analogue and digital signals.
The primary distinction between the two signals is that analogue signals have continuously varying electrical signals, but digital signals do not.
Because digital transmission signals in bits, a digital signal transmits data in binary form.
These signals can be broken down into harmonic sine waves, sometimes known as sine waves. Like an analogue signal, every digital signal contains amplitude, frequency, and phase.
Thus, the correct options are b and b respectively.
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When a person moves from a sitting position to a standing position, blood pressure increases within a few minutes. what causes this increase in pressure?
When a person moves from a sitting position to a standing position, blood pressure increases within a few minutes systolic and diastolic movement cause this.
What causes the rise and drop in blood pressure?The blood vessel pulse drops when one actions from recumbent to standing. Orthostatic hypotension is characterized as a drop in systolic pulse (SBP) of something like 20 mm Hg or a drop in diastolic circulatory strain (DBP) of no less than 10 mm Hg in no less than 3 minutes subsequent to standing.
At the point when an individual's pulse out of nowhere drops in view of an adjustment of position, it is known as orthostatic hypotension. Gravity influences the vascular framework in the wake of standing up from a sitting position or from a laying position, decreasing how much blood getting back to the heart and making blood pool in the leg.
Pulse is the tension of the blood in the human circulatory framework, which is connected with the pace of the heartbeat and the pace of siphoning of the blood in body parts or organs. Gravity impacts the human body. For instance, Veins in our legs neutralize gravity to siphon the blood back to the heart.
Gravity, or gravitational power, is the power of fascination between any items in the universe. Earth's gravity comes from all its planet mass. All its mass makes a consolidated gravitational draw on all the mass in your body. Gives you weight that.
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Explain the steps that you would use to focus on a specimen under a compound light microscope.
To start, move the objective lens to its lowest power setting. Place a slide on the stage with the label side up and the cover slip in the middle. You can only use the coarse focus knob when the power is low. If you can't see anything, move the slide a little while you look and focus. If nothing shows up, turn down the light and move the slide a little while you're looking and focusing. Once you're in focus on low power, move the slide to make the object of interest in the middle of it. Turn the objective to medium power and only change the fine focus. If you need to, turn the objective to high power and only adjust the fine focus.
After a large disturbance, pioneer species often appear in this order.
After a large disturbance, species use to appear again in the area from organisms with lower metabolic needs than organisms with highers. In this orders of ideas, we can say that first, there would be prokaryotes or protists; second, non-vascular plants, and at third, vascular plants, as stated in the last answer option.
what describes a carrier protein in cell surface membrane?
Explanation:
Carrier proteins are proteins that carry substances from one side of a biological membrane to the other.
how does the gamete intra faloppian tube transfer procedure differ from in vitro fertilization
The gamete intrafallopian tube transfer (GIFT) procedure differs from in vitro fertilization (IVF) in that fertilization occurs inside the woman's fallopian tubes instead of in a laboratory setting.
In the GIFT procedure, the woman's eggs are retrieved, along with the man's sperm, through a minor surgical procedure. The eggs and sperm are then immediately transferred to the woman's fallopian tubes using a laparoscopic technique. Fertilization takes place naturally within the fallopian tubes, and the resulting embryos travel to the uterus for implantation.
On the other hand, in vitro fertilization (IVF), the most commonly known assisted reproductive technology, involves the fertilization of eggs with sperm in a laboratory dish outside the woman's body. After fertilization, the resulting embryos are cultured in the laboratory for a few days. Then, one or more embryos are transferred to the woman's uterus for implantation.
Therefore, the key difference lies in the location of fertilization: GIFT allows fertilization to occur naturally inside the woman's fallopian tubes, while IVF involves fertilization taking place outside the body in a laboratory. Both procedures aim to assist individuals or couples in achieving pregnancy, but they employ different techniques for fertilization and embryo transfer.
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You are doing research on a bacterial species, trying to determine the nature and structure of a number of intracellular inclusions. Which type of microscopy would provide the best view of these intracellular structures
Answer:
Transmission Electron Microscope.
A Transmission Electron Microscope provides the best view of the intracellular structures.
What is Transmission Electron Microscope?
Transmission electron microscopes (TEM) are microscopes that use a particle beam of electrons to visualize specimens and generate a highly-magnified image. TEMs can magnify items up to 2 million instances. with a purpose to get a better concept of simply how small that is, think about how small a cellular is.
What is a transmission electron microscope used for?The transmission electron microscope is used to view skinny specimens (tissue sections, molecules, etc) through which electrons can bypass producing a projection picture. The TEM has similarities in lots of ways to the traditional (compound) light microscope.
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Where does translation take place in eukaryotic cells.
Protein synthesis involves two stages. Transcription, which occurs in the nucleus, and translation, that takes place in the cytoplasm. The answer is cytoplasm.
Transcription ⇒ mRNA syntheis
The first step before protein synthesis begins is to synthesize messenger RNA, mRNA.
This is the coping process of the DNA section for the desired protein, and it happens in the nucleus.
RNA polymerase is in charge of reading the original DNI strand for mRNA synthesis.
Translation:⇒ Cytoplasm stage
Translation takes place when the formed mRNA moves to the cytoplasm through the nucleus membrane pores.
Once in the cytoplasm, mRNA meets a ribosome, which is the primary structure for protein synthesis.
Ribosomes are organelles composed by the association of proteins with rRNA and tRNA. They can be found in the rough endoplasmic reticulum or floating in the cytosol.
While the ribosome reads mRNA strain from its 5´ extreme to 3´, tRNA adds the correct amino acids to build the polypeptide.
⇒ Endoplasmic Reticulum Stage
Some proteins are destined for membrane or exportation. Their synthesis starts in the cytoplasm but finishes in the Rough endoplasmic reticulum.
When the ribosome and the growing molecule reach the RER, the synthesizing protein keeps enlarging forward the reticulum lumen.
When the new polypeptide synthesis is complete, it is released into the reticulum lumen.
The endoplasmic reticulum is in charge of protein folding, maturation, and transport, especially those destined for secretion. It produces the latest protein modifications after transduction and initiates the glycosylation process.
⇒ Golgi complex stage
Once the protein synthesis in the endoplasmic reticulum is over, these molecules are packaged into vesicles and sent to the Golgi complex.
In the Golgi complex, proteins suffer their final association with carbohydrates and lipids to originate glycoproteins and glycolipids.
Glycoproteins and glycolipids are packaged again into new vesicles that drive them to their final destiny.
According to this frameworks, translation occurs in the cytoplasm.
Depending on the protein destiny, it can be completely synthetized in the cytoplasm, or part of the synthesis might also occur in the RER -wh.
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Neutrons are neutral. This means that
A.
neutrons are not involved in chemical reactions.
B.
neutrons do not have a charge.
C.
neutrons are neither acidic nor basic.
D.
neutrons do not have mass.
Answer:
The ansow is B: Netrons do not have a charge.
Answer:
its b
Explanation:
What determines the
carrying capacity in an
ecosystem?
A. The number of different species in
the ecosystem
B. Limiting factors
C. Only biotic factors
D. Only abiotic factors
Answer:
D. Only abiotic factors
please help me answer the first question.
Answer:
Include a Hypothesis
Explanation:
Here is the answer for u
in turning a page, you would mainly be using what type of tissue?
In turning a page, you would mainly be using skeletal muscle tissue.
Skeletal muscle tissue is responsible for voluntary movements and is attached to bones by tendons. It is under conscious control and allows for various movements, including turning pages. When you turn a page, you contract the skeletal muscles in your hand, arm, and potentially other parts of your body involved in the motion.
Smooth muscle tissue, another type of muscle tissue, is found in the walls of hollow organs and is responsible for involuntary movements. Cardiac muscle tissue is specific to the heart and is responsible for the rhythmic contractions of the heart.
However, when it comes to turning a page, the primary type of tissue involved is skeletal muscle tissue.
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1) Each cell of the muscles of a certain bug contain 28 chromosomes.
b. How many chromosomes are in the digestive tract cells of a female bug of the same species? __________
c. How many are in her egg cells? _________
d. How many are in a fertilized egg? _________
Answer:
1.
c. 28 chromosomes
d. 48 chromosomes
Write out the surface area and volume formulas.
Surface area = 2(lb + bh + lh) sq. units
Volume = (l x b x h) cubic units
What is surface area?A solid object's surface area is a measurement of the overall area that the object's surface occupies.
What is volume?Volume is the measurement of three dimensional space. It is frequently expressed quantitatively using SI-derived units, as well as several imperial or US-standard units.
What are formulas?A formula is a fact or a rule written with mathematical symbols. Usually, an equal symbol is used to connect two or more values. Using formula, you can determine the value of a second quantity once you are aware of the value of the first. It facilitates speedy question-solving.
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Please Help! I Have Limited Time!
Maya wrote a few steps to describe how carbon circulates between the atmosphere and living organisms. Step 4 is missing.
Step 1: Carbon enters the atmosphere as carbon dioxide from respiration and combustion
Step 2: Plants use carbon dioxide to make glucose
Step 3: Plant-eating animals consume the glucose present in plants
Step 4:
Which of the following best describes step 4?
A. Carbon dioxide in the atmosphere is used by plants for photosynthesis.
B. Carbon dioxide in the atmosphere is converted into glucose by animals.
C. Dead animals decompose and recycle the carbon in the form of oxygen and water.
D. Dead animals are buried and form fossil fuels, which produce carbon dioxide when burned.
Charles Darwin concluded that the 13 species of finches on the Galapagos islands:A. all adapted to the same predators in different ways.B. All of these.C. probably evolved from one single ancestral species from the mainland.D. are identical to species on the mainland.
The correct answer is C. probably evolved from one single ancestral species from the mainland. Darwin realized that Finches differed form their relatives in mainland. The finches he saw were all particular on their own, so he concluded that their isolation from mainland and their insular habitat make them to evolve different traits, eventually each finch become a different species.
Urgently!
Give reasons
Fruits vegetables and grains should be washed thoroughly
“It is not always possible to find or buy organic fruits and vegetables in today's conditions. In order to purify pesticide residues in foods, the first thing that is usually done at home is to put these foods in vinegar water. However, vinegar water is not effective in reducing pesticide residues, but in reducing the microorganism burden. Studies have done that vinegar water increases the effectiveness of pesticide residues even more. The main purpose of adding vinegar to the washing water is to create an acidic washing environment and to remove the potentially harmful biological factors that can be found on the food in case of inadequate washing. However, many of the pesticides commonly used today cannot be removed from the food due to insufficient washing and are taken into thBe body. This causes pesticides to continue their harmful effects for long periods of time.
Answer:
Fruits, Vegetables and grains should be washed thoroughly to wash off any germs on them. It is really important to wash them to remove any harmful bacteria off them. These bacteria can be really dangerous for our stomach and can cause different diseases. Peeling them is also a way to remove bacteria.
What lab-grown part of the human body is being tested in human subjects for the first time?.
Blood is the lab-grown part of the human body, that is being tested in human subjects for the first time.
It's a first step toward determining if lab-grown blood cells are safe and functional in the body, which would represent a significant step forward for people with uncommon blood types or blood problems. The experimental cells were produced from stem cells extracted from the blood of ten healthy adult volunteers. To generate 50 billion red blood cells, the study team used 500,000 stem cells. 15 billion of the cells were at the appropriate stage of development for transfusion. The blood has been labeled with a radioactive material, which is commonly used in medical operations, so that scientists can determine how long it remains in the body.
The lab-grown blood is expected to be more powerful than natural blood. The ultimate objective, however, is to create critical but extremely uncommon blood types that are difficult to get. These are required for those who require regular blood transfusions due to illnesses such as sickle cell anaemia.
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Imagine other traits that could have been received from parents: maybe one parent has brown hair and the other has blond hair, but the child has brown hair. Explain to the best of your abilities why a certain hair color or other traits may come from parents, but other traits may not be exhibited.
A person may have a gene for brown hair and a gene for blond hair. He would give one of those traits to his child.
Each of two parent transfer two alleles for hair color. Blonde hair is a recessive gene and brown hair is a dominant gene.
Even though the gene passed down from parents to child determine hair color, variations in alleles can result in different hair color than both parents. In Human DNA has millions of on and off switches and networks that control how genes function. Genes responsible for hair color come from both parents.
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help me please it’s due tomorrow
Answer:
James Watson and Francis Crick on 2.
which of the statements can be concluded from gregor mendel's experiments with pea plants? only one allele determines the phenotype in heterozygous individuals. alleles of different genes are inherited independently of each other. for a given trait, two heterozygous parents produce offspring with three possible phenotypes. the pair of alleles for each gene stay together during gamete production.
The conclusion that can be drawn from Gregor Mendel's experiments with pea plants is that alleles of different genes are inherited independently of each other. This is known as the law of independent assortment.
Gregor Mendel's experiments with pea plants derived three important laws of inheritance. These are:
1. The law of segregation: when two alleles are present in a genotype, they segregate into separate gametes, with each gamete receiving one allele.
2. The law of independent assortment: the inheritance of one gene does not affect the inheritance of another gene.
3. The law of dominance: One allele is dominant over the other and determines the phenotype of the organism. Only in the presence of two recessive alleles does the recessive trait manifest itself.
Mendel's experiments demonstrated that traits are inherited independently of each other and that the inheritance of one trait does not affect the inheritance of another trait. This led to the development of the law of independent assortment, which states that the inheritance of one gene does not affect the inheritance of another gene located on a different chromosome.
Therefore, the statement that can be concluded from Mendel's experiments is that alleles of different genes are inherited independently of each other, which is known as the law of independent assortment. The other statements are not accurate conclusions that can be drawn from Mendel's experiments.
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Why does the presence of predators help keep an ecosystem stable?
A. The predators eat the keystone species.
B. The predators keep prey populations balanced.
C. The predators decrease biodiversity
D. The predators stop species from competing,
Answer: B
Explanation:
The predators keep prey populations balanced. Therefore, option (B) is correct.
What are predators?The presence of predators in an ecosystem helps to keep the population of prey species balanced. If the predators were absent, the prey populations could grow unchecked, leading to overconsumption of resources and potentially damaging effects on the ecosystem.
By keeping the prey populations in check, the predators help to prevent such imbalances, contributing to the overall stability and health of the ecosystem.
Predators also tend to prey on the weaker and less fit members of a population, which in turn helps to strengthen the gene pool of the prey species over time. This balance of predator and prey populations is an essential component of a healthy and stable ecosystem.
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Why will crust subduct beneath continental crust.
What is the name of a species that is highly connected to the entire food web and whose loss may result in ecosystem collapse
In glycogen synthesis, the intermediate between glucose-1-phosphate and glycogen is
A) UDP-glucose .
B) UDP-glycogen.
C) glucose-1,6-bisphosphate.
D) glucose-6-phosphate.
E) glucose.
The intermediate between glucose-1-phosphate and glycogen in glycogen synthesis is glucose-1,6-bisphosphate. This molecule is formed when a phosphate group is transferred from ATP to glucose-1-phosphate by the enzyme phosphoglucomutase, creating glucose-1,6-bisphosphate.
This intermediate is then used to add glucose molecules to the growing glycogen chain through the action of glycogen synthase. The process of glycogen synthesis takes place in the liver and muscle cells of animals. It involves the conversion of glucose into glycogen for storage and later use as an energy source. The process begins with the conversion of glucose-6-phosphate into glucose-1-phosphate by the enzyme phosphoglucomutase. This molecule is then converted into glucose-1,6-bisphosphate by the enzyme phosphoglucomutase through the transfer of a phosphate group from ATP. Glucose-1,6-bisphosphate is then used to add glucose molecules to the growing glycogen chain through the action of glycogen synthase. As more glucose molecules are added, the glycogen chain grows longer and more branched, allowing for efficient storage of glucose. This process is regulated by hormones such as insulin and glucagon, which act to maintain blood glucose levels within a narrow range.
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