BIOLOGY HIGH SCHOOL

Investigators are studying a signaling pathway in which an RTK activates the monomeric GTPase Ras.a. True
b. False

Answers

Answer 1
Answer: False. Correct me if i’m wrong.

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What type of nuclear decay releases energy but not a particle?a. alpha decay
b. beta decay
c. gamma decay
d. electron decay

Answers

I think it is C not 100% sure though
Well,

A. I know that alpha decay is the process of expelling a helium atom, or two protons and two neutrons.  Those are particles.

B. Beta decay releases either a proton or an electron.  Those are also particles.

C. Gamma decay releases a gamma ray, or high-energy photon.  A photon is a particle.

D. I don't know much about electron decay, but since it is the only one left, I would go with this one by reason of deduction.

Define universal solvent.

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Universal Solvent- is a substance that can dissolve in water 

The cell that does not have a cell wall is the _____.

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Answer:

Animal cell that does not have a cell wall.

Explanation:

  • An animal cell does not have a cell wall because they do need the cell wall.
  • The cell wall is present in plant cells, its function is to maintain the shape of the cell.
  • The function of the cell wall is to provide shape and structural support to the cell, it made up of cellulose.
  • If the cell wall is present in the animal then it will become stiff, and would not able to carry their usual work. So they lack a cell wall.

Thus the animal cell does not have a cell wall.
The plant cell has a cell wall; The animal cell is the cell without the wall. So it would be animal

How do earthworms obtain their food, and what happens to it when it is digested?

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they po it out when  it is digested

What do anaerobic photosynthesizing bacteria from early Earth have in common with all organisms today?

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The answer is :they passed on their genetic material to new cells when they reproduced.
Explanation : Well when cells undergo division , they pass on their genetic material , so that's the same way that bacteria passed and still passes it's genetic material by the process of rep
roduction.
Hope this helps :)

they passed on their genetic material to new cells when they reproduced.

the study of the interaction of organisms with each other and their environment involves non-living factors, also called _________________, and living factors, which are referred to as __________________.

Answers

The study of the interaction of organisms with each other and their environment involves non-living factors, also called abiotic factors, and living factors, which are referred to as biotic factors.

This study called ecology focuses on several things about the ecosystem, which is a group of organisms interacting with each other and their environment. Ecology is a very broad field that encompasses the study of everything concerning the the world's inhabitants and how they behave in their surroundings. 
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