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Alika [10]
3 years ago
11

What is transcription?

Biology
2 answers:
lisabon 2012 [21]3 years ago
6 0
The action or process of transcribing something
Tasya [4]3 years ago
5 0
A written or printed representation of something
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When things are difficult in your course and you are having trouble what resources can you use to help you find the answers?
navik [9.2K]

Answer:

You can ask your teacher, or use the resources that they have provided for you. You can also use professional websites that your teacher would approve of.

Explanation:

7 0
3 years ago
Which of the following best describes an aspect of a membrane's molecular structure that causes it to be selectively permeable?
atroni [7]

Answer:

<u>d. Transport proteins within the membrane serve as a tunnel for molecules to enter the cell. </u>

<u />

Explanation:

Solutes are typically moved across the cell through either passive or active transport. The cells, surrounded by a bilipid layer or plasma membrane is amphiphlic- its polar, hydrophilic lipid heads face outwards, while their non-polar hydrophobic lipid tails face inwards towards each other.

While lipid-soluble molecules move across the layer easily, it is also difficult for charged and also large molecules to move across its surface, into the cell. Transmembrane channels, <u>embedded within the membrane</u>, help to maintain selective permeability as transport proteins, pores and gated channels. Simple diffusion happens as a method of passive transport in cells through plasma membranes.

The solutes travel through the plasma membrane in the process of diffusion from regions of high concentration to regions of low concentration; this occurs without the use of energy. <u>Molecules moving against their concentration require active transport mechanism to cross the membrane</u>.

3 0
3 years ago
B) a moth population is at hardy-weinberg equilibrium. what can you conclude about how the gene pool of the population changes o
mestny [16]
There should not be any changes in the gene pool.

In Hardy-Weinberg equilibrium, the gene pool should have a constant rate. The equilibrium can be achieved if there is no factor that favors one gene more than the others. Since the genes have the equal chance to survive and mating, the ratio of the gene pool should not change dramatically.
8 0
3 years ago
State one reason that the population of mountain lions is smaller than the population of other animals in the food web
kicyunya [14]

Mountain lions/highest trophic levels receives less energy as energy is lost at each level/mountain lions are larger than most animals and require (smaller) individuals for food.

8 0
3 years ago
- What is a bone marrow transplant?
sukhopar [10]

Answer:

A bone marrow transplant is a medical procedure performed to replace bone marrow that has been damaged or destroyed by disease, infection, or chemotherapy. This procedure involves transplanting blood stem cells, which travel to the bone marrow where they produce new blood cells and promote growth of new marrow.

Explanation:

8 0
3 years ago
Read 2 more answers
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