BIOLOGY HIGH SCHOOL

What form of RNA carries instructions from the nucleus to the ribosome?

Answers

Answer 1
Answer: Messenger RNA are responible for carry the codons needed to the ribosome so that the ribosome can match the codons to specific amino acids and these amino acids can form a polypeptide chain (protein)

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The human genome project enables researchers to pinpoint diseas causing genes and possibly prevent or treat them

Answers

This is true

The Human Genome Project was an international biological project that was created to determine the sequence of the human DNA, and locating and mapping the entire genes of the human genome in terms of structure and function. The Human Genome Project allows researchers to discover disease causing genes and possibly prevent or treat them. In 2001, the Human Genome Project researchers discovered a new tumor suppressor gene on human chromosome 7 which is involved in prostate and breast cancer. Also in 2000, researchers in Japan and Germany discovered the genetic code of human chromosome 21 and was identified to be involved with diseases such as amyotrophic lateral sclerosis, Down syndrome and Alzheimer's disease.
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The human genome project enables researchers to pinpoint diseas causing genes and possibly prevent or treat them?

True!

A population ecologist determines the number of oak trees per square unit in a forest. What is he trying to infer by doing so?

Answers

The population ecologist is trying to determine the density of the oak trees in a forest. It is a part of the job of a ecologist. By detecting the density of the oak trees, an ecologist can easily determine whether the density of the oak trees are decreasing or increasing with time and what are the steps that need to be taken to keep the balance.

Chromosomes must form right at the beginning of mitosis so they can distributed properly.True or False?

Answers

True, this must happen in order for mitosis to correctly occur.

Why is there more oxygen and carbon dioxide near the surface of the ocean than near the ocean floor? Organisms near the ocean floor cannot process these gases, so there is more gas at the surface. The salinity of ocean water traps these gases and prevents them from escaping into the atmosphere. Organisms near the surface do not use up these gases, so there is more gas at the surface. The exchange of these gases between water and the atmosphere occurs more readily at the surface.

Answers

There is more oxygen and carbon dioxide in the surface of the ocean because these gases rises and floats thus it will stay near the surface. Also, the solubility of these gases in water is small therefore only small concentrations can be found in water. 

Answer: the answer is D

Explanation:

Genes that are linked together _____.combine to form traits
result in incomplete chromosomes
form dominant traits
are found on a particular chromosome

Answers


combine to form traits

Chromosomes

Genes are responsible for inherited traits. They are units of coded DNA which are located in a specific place on a chromosome. Genes are the basic unit of heredity, both physical and functional. Genes vary in size in humans, it comes in a few hundred DNA bases to 2 million more. It has been estimated by the Human Genome Project that humans have 20, 000 and 25, 000 genes in between.

Linked genes are those that are found on the same chromosome and are typically inherited together due to their close proximity. This concept is crucial to understanding how certain traits are passed from parents to offspring.

Genes that are linked together are generally found on a particular chromosome. The term 'linked' refers to the propensity of genes to be inherited together because of their location on the same chromosome.

For instance, the genes for eye color and hair color may be linked on the same chromosome. Therefore, variants of these characteristics are often inherited together, dictating that offspring may have a combination of traits from one parent.

It's important to note that some genes may also recombine during the process of meiosis, which can result in offspring with variations of traits. However, linked genes are less likely to be separated during this process due to their physical proximity on the chromosome.

Learn more about Linked genes here:

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What happens to an enzyme's structure as it exceeds the typical human body temperatur?

Answers

Answer;

The enzyme structure begins to break downintermolecular bonds are broken

enzyme molecules gain kinetic energy.


Explanation;

Enzymes are proteins that play an important function in the body of catalyzing reactions in the body.

Enzymes work best at optimum temperature; low temperature lower than optimum temperatures deactivates them and higher temperature denatures them.

The shape of an enzyme depends on its temperature; when they get too warm they get loose, and at very low temperatures they get too tight. At optimum temperature or at the right temperature then they are just at the right shape and the chemical reactions they catalyze will be at optimal rate.
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