Answer:
30 metres
Explanation:
60 metres to the right is 60 metres displacement, however because you move 30 metres back to the left, therefore closer to the original position, the displacement is only 30 metres
Name a cell structure you think cells could do without. Then, in a couple sentences, describe how you think why it isn't necessary and/or how other cell structures could take over its role.
There is no cell structure that living cells could live without as cellular structures have function which is peculiar to a part of life process and once any of these structure is removed, life ceases.
This is because the presence of cellular structures in cells of living organisms makes them to live and without these structures, life would not continue.
Living cells cannot function without cellular structures such as nucleus, ribosomes, mitochondria, endoplasmic reticulum and others.
What does a cell means in biology?A cell can simply be defined as the simplest unit of life. All living organisms be it unicellular or multicellular organisms is made up of cell.
The protoplasm of any living cell is made up of nucleus and cytoplasm.The organelles which are found in the cytoplasm are called cytoplasmic organellesSo therefore, there is no cell structure that living cells could live without as cellular structures have function which is peculiar to a part of life process and once any of these structure is removed, life ceases.
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Infectious agents can be
transferred from one biological source to another through vertical or horizontal transfer. Using specific examples, discuss the various methods and their effectiveness in infection transmission (7 marks). 2.
Classify the following diseases according to their various water-related classes and give specific preventive measures as per their classification (8 marks). a.
Caliciviruses b.
Giardiasis c. Hepatitis
d. Japanese encephalitis e. Lymphatic filariasis f.
Pseudomonas Dermatitis g.
Trachoma h. Typhoid
fever
Vertical and horizontal transfer of infectious agents:
Infectious agents, such as bacteria, viruses, and parasites, can be transferred from one biological source to another through vertical or horizontal transfer.
What is Hepatitis?
Hepatitis refers to an inflammation of the liver, which can be caused by a variety of factors including viral infections, alcohol abuse, drugs, toxins, and autoimmune disorders. There are several different types of viral hepatitis, including hepatitis A, hepatitis B, hepatitis C, hepatitis D, and hepatitis E.
Direct contact: Infectious agents can be transferred through direct contact with an infected person or animal. Examples include sexually transmitted infections like gonorrhea and bacterial infections like tuberculosis.
Indirect contact: Infectious agents can be transferred through indirect contact with contaminated objects, surfaces, or vectors. Examples include foodborne illnesses like Salmonella, vector-borne diseases like malaria, and airborne diseases like influenza.
Droplet transmission: Infectious agents can be transmitted through respiratory droplets produced by an infected person during coughing, sneezing, or talking. Examples include COVID-19 and influenza.
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Which of the following is not a reason that nonnative species are reared outside their native ecosystems?
a.
They are commercially important.
b.
They are used to replace native species.
c.
They are used for restocking programs.
d.
None of the above
Fishing is a major part of many Caribbean economies. The yellowtail snapper and Nassau grouper are important food fishes. However, a lack of adequate regulation has led to overfishing in many areas and consequent damage to reefs.
When grouper fishing is set to 70% what happens to the population of other fish populations in the reef?
Question 1 options:
The lack of grouper fish in the food web caused a spike in the snappers that are usually eaten by the groupers.
Since there were hardly any grouper left as a result, the snapper population also decreased amongst the reef community.
All the other fish populations in the gizmo increased as a result of the fishing favoring the grouper.
Answer:
The lack of grouper fish in the food web caused a spike in the snappers that are usually eaten by the groupers.
Explanation: because fish. (i did the test btw so i know this is correct ;)
When grouper fishing is set to 70%. The lack of grouper fish in the food web caused a spike in the snappers that are usually eaten by the groupers. The correct option is A.
What is fishing?Fishing is a technique to catch fish and other water organism for selling and food purposes. Here the topic is overfishing, which means the over-catching of fish, which disbalances the ecosystem.
In Caribbean economies, fishing is an important act. There are two main fish, groper, and snapper. But due to the deregulation of catching fishes, the grouper fishes are killing more than the snapper fishes. So this would cause a decrease in the population of groupers.
Thus, the correct option is A. The lack of grouper fish in the food web caused a spike in the snappers that are usually eaten by the groupers.
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PLS HELP!! Which type of fish are sharks?
lampreys
cartilaginous fish
deep sea fish
bony fish
Answer: cartilaginous fish
Explanation: bc it is cartilaginous fish period!
Human caused climate change (most notably, global warming) has many positive feedback loops intrinsic to itself. Please describe at least one of these loops and explain how it is potentially dangerous for habitability of the earth.
When we burn fossil fuels to produce electricity, heat, and more, they emit greenhouse gases (GHGs) like carbon dioxide (CO2) and methane. These gases trap the sun’s energy in Earth’s atmosphere as heat. As more and more GHGs are released, more heat gets trapped and the planet warms up, disrupting the long-standing, delicate climate systems that have made life on Earth possible.
The stronger storms and longer droughts we see becoming a dangerous new normal are a direct result. But how these impacts play off each other is far more nuanced. In many cases, the wildfires or disappearing glaciers we see in the headlines have unseen knock-on effects that lead to, well, more wildfires and disappearing glaciers.
Think of it like dominos lined up in an infinite spiral – once one domino falls, it creates a reaction that pushes over another and then another right on down the line.
HELP PLEASE WILL GIVE BRAINLIEST
Answer:
1 a
2 f
3 e
4 c
5 d
6 b
Explanation:
PLZ HELP!!
Opportunistic bacteria _____.
• replicate inside host cells
• only cause infection in certain situations
• are larger than normal bacteria
• are primarily found in damp environments
What would the most accurate model for the theory of evolution look like?
Answer:
Comparing DNA
Explanation:
Darwin could compare only the anatomy and embryos of living things. Today, scientists can compare their DNA. Similar DNA sequences are the strongest evidence for evolution from a common ancestor.
What are the only things that can change in a valid experiment? A. Control variable and Range B. Independent variable and Hypothesis C. Control variable and Dependent variable D. Dependent and Independent Variable
Answer:
B. Independent variable and Hypothesis
Explanation:
The independent variable can be changed by the scientist
Hope This Helped
Refer to the figure showing a cell with two pairs of homologous chromosomes in prophase I of meiosis. Genes A (alleles A and a) and D (alleles D and d) are located on the longer pair of chromosomes, and gene B (alleles B and b) is located on the shorter pair.
How many different combinations of A, B and D alleles are possible in the genotypes of the daughter cells produced from this cell?
4
6
8
16
Answer:
16
Explanation:
There are four different possible combinations of A alleles (AA, Aa, aA, aa), two for B alleles (BB, Bb), and four for D alleles (DD, Dd, dD, dd).
Therefore, the total number of different combinations of A, B, and D alleles that can be produced in the daughter cells is:
4 (possible combinations of A alleles) x 2 (possible combinations of B alleles) x 4 (possible combinations of D alleles) = 32
However, we have to keep in mind that these combinations can be mixed and matched in different ways, so we need to divide by the number of possible arrangements of the same alleles (i.e. 2 for A and D alleles and 1 for B alleles) to avoid counting duplicates.
Therefore, the final number of different combinations of A, B, and D alleles that can be produced in the daughter cells is:
(4 x 2 x 4) / (2 x 1) = 16
Hope this helps!
7. What is the name for a characteristic, such as eye color, of an organism?
Otrait
O gene
Ohybrid
O allele
Traitis the name for a characteristic, such as eye color, of an organism .
In simple terms, what is a trait?A trait is a distinctive attribute, propensity, or trait that someone, something, or both possesses. During those formative months, a lot of our personality characteristics are formed. Humans are naturally creative. More Synonyms for trait: feature, quality, attribute, characteristic.
Height, weight, skin tone, body hair, sexual organs, moles, freckles, eye color, nose shape, ear shape, body shape, physical deformities, mutilations, and other variances like amputations, scars, burns, and wounds are all factors.
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An organism is defined as a living creature with an organized structure, the ability to respond to stimuli, reproduce, grow, and maintain homeostasis, among other characteristics.
Therefore, every animal, plant, fungus, protist, bacterium, or archaeon found on Earth would be considered an organism. These creatures can be categorized in a number of ways.
In a diploid organism, two alleles for a particular gene are expressed and interact to produce physical traits. The observable characteristics that an organism displays are referred to as its phenotype.
What is the name for an organism's attribute like eye color?
The term "phenotype" describes a person's observable characteristics, such as height, eye color, and blood type. Both a person's genotype and environmental variables affect their phenotype.
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9. Javier is a navigator for the navy His ship has just lost all power in the middle of the ocean, including access to your GPS. Which astronomical tool would be MOST helpful in this situation?
Help me guys!! (Giving brainliest)
Answer: C
Explanation:
C because the cell membrane is semi permeable which means only certain substances can enter and exit.
Decomposers are …….??.?.
Answer: Decomposers is an organism, especially a soil bacterium, fungus, or invertebrate, that decomposes organic material.
Explanation:
Shania has a family history of a genetically inherited disease. Based on this information, which statement is true? O Shania has an increased risk of the disease. Shania will get the disease at some point in her lifetime. O If Shania makes unhealthy choices, she will get the disease. The disease will be expressed in all her offspring that have that gene.
Answer:
Shania will get the disease at some point in her life
Explanation:
this will happen because the sickness is genetically implanted in her family
Answer:
The diesease will be apart of the genes in her offspring.
Explanation:
Often times mothers with the sickness gene will spread down the gene therefore starting the generational infection in the first place.
Question 2 of 10
You're a nurse in the emergency room of a hospital. Which of the following
patients should you prioritize first?
O A. Padma sprained her ankle.
B. Mary is having an asthma attack and cannot breathe.
C. Sonya was in a car accident and has a chipped tooth.
D. Ronald's back hurts after he fell off his bike.
SUBMIT
Answer:
Mary, who is having an asthma attack and cannot breathe, should be prioritized first as she is in immediate danger and requires urgent medical attention.
Explanation:
Where can cells that are able to differentiate be found?
Answer:
it can be found in higher plants and embryonic stem cells in animals
Rabbits can have different types of ears. Tall ears stand up and floppy ears drag the
ground. Assume that the ear type is determined by a single gene and that the allele for tall
ears is dominant over the allele for floppy ears. In a cross between two rabbits with floppy
ears, what percentage of the offspring would be expected to have tall ears.
100%
O 50%
2596
096
Answer:
Explanation: 0% because neither of the rabbits have the dominant gene for tall ears. We know that neither of them have the dominant gene for tall ears because
The parents both have floppy ears
The trait “hairy ear rims” is thought to be controlled by a gene on the Y chromosomes. State with what frequency a man affected with “hairy ear rims” passes the trait onto his sons.
have fun with to the bus for me and you know what I do to you and your mom is influenced and I don't know how to the summar
Day three code word
Answer:
Explanation: lol
What might the connection be between global warming and human activity?
Answer:
chemical pollution
Explanation:
:::
What do you notice about 2 daughter molecules
Answer:
Heyyy step-molecule, I'm stuck in the peta dish.
How are all organisms with similar physical characteristics related to one another?
Answer:
All organisms with similar physical characteristics are believed to be related through a common ancestor. This means that they share a similar genetic makeup that makes them look and behave in a similar way. For example, all mammals share common physical characteristics such as mammary glands and hair, which suggests that they are all descendants of a common ancestor that had these traits. Similarly, all birds have feathers and lay eggs, which suggests that they are all descended from a common ancestor that had these traits. This theory of common descent is supported by the study of genetics, fossil records, and comparative anatomy, and is widely accepted by the scientific community as the best explanation for the diversity of life on Earth.
Explanation:
Which cell is capable of mitosis:
O a. fibrocytes
b. adipocytes
O C. chondrocytes
d. osteoblasts
e. osteoclast
Answer:
Osteoclast
Explanation:
Evidence of evolution from the field of paleontology examines...
O fossils compared to living species.
O the location of different species across the planet.
O sequences of DNA and protein.
O embryos of different species.
Do you think it is possible to have the benefits of agricultural and industrial revolutions without the environmental costs?
The law of conservation of matter states that matter can be neither created nor destroyed. Your friend shows you the following chemical equation: He says that because the oxygen atoms are split between two different molecules in the products, the equation does not support the law of conservation of matter. Is your friend right? Explain your answer. Draw a model showing the number of each type of atom in the reactants and products. Use your model to explain your answer. Read the assignment carefully and make sure you answer each part of the question or questions. When you're done, look over your response closely to make sure your ideas are shown clearly.
Answer:
The law of conservation of matter states that the matter can be neither created nor destroyed.
Explanation:
Your friend shows you the following chemical equation CACO3CAO plus CO2 he says that because the oxygen atoms are split between two different molecules in the products the equation does not support the law of conservation of matter is your friend write explain your answer draw a model showing the number of each type of atom in the reactants and products use your model explain your answer.
Which of the following concepts makes it legally right to reproduce a substantial portion of the works of another person with permission?
The concept that makes it legally right to reproduce a substantial portion of the works of another person with permission is Copyright. Option A
What is copyright all about?The concept of copyright grants the creator of an original work the sole rights to its use and distribution, usually for a limited time, with the intent of enabling the creator to receive compensation for their intellectual effort.
When someone else wishes to reproduce a substantial portion of those works, they must usually get permission from the copyright holder.
This permission can take the form of a license or contract that outlin the tems under which the work can be used.
The above answer is in response to the full question below;
Which of the following concepts makes it legally right to reproduce a substantial portion of the works of another person with permission?
A. Copyright
B. Fair use
C. Freedom of information
D. Intellectual freedom
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D
Question 7
15. Identify one of the major muscles moving the hands into the position shown.
16. Identify the major muscle moving the right thigh into the position shown.
17. Identify the major muscle moving the right leg into the position shown.
1 Copy and complete the sentences using these words:
chromosomes DNA genes genetic information
gametes nuclei
resemble
Offspring___________their
to them in the
parents because of the
passed on
(sex cells) from which they developed.
This information is contained in the thread-like structures
called
that are inside the
threads are made of proteins and
found in small units called
of most cells. These
The information is
1 Copy and complete the sentences using these words:
chromosomes DNA genes genetic information
gametes nuclei
resemble
Offspring___________their
to them in the
parents because of the
passed on
(sex cells) from which they developed.
This information is contained in the thread-like structures
called
that are inside the
threads are made of proteins and
found in small units called
of most cells. These
The information is
ans: I don't know lol