RNA transfers the DNA code from the of the cell to the

Biology

2 answers:

Kitty [74]3 years ago

5 0

Nuclease to the ribosomes, pardon spelling im in a rush :)

iris [78.8K]3 years ago

3 0

Answer:

RNA transfers the DNA code from the nucleus of the cell to the ribosomes .

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What clues could you use to help determine whether movement of oslutes through the apicl and basolateral cell membranes is passi

Setler79 [48]

Answer:

Clues that can be used to determine whether the movement of solutes through the membrane is passive or active could be the molecule size, membrane potential, and the presence/absence of membrane protein.

Explanation:

Solutes transport through the cellular membrane depends on the solute size, membrane potential, and the presence/absence of integral membrane protein.

There are two types of transport: Active and passive.

- Passive transport: It does not need energy; it is driven by a chemical potential gradient. Small molecules with no charge are transported through the membrane in a gradient favor, from a high concentration region to a low concentration region. There are two types of passive transport: By simple diffusion (small molecules pass through the membrane by themselves) and by facilitated diffusion (molecules are helped by integral membrane proteins to pass through the membrane). In facilitated diffusion, the helping protein can be a channel protein (hydrophilic pores that allow the molecule to pass with no interaction) or a carrier protein (proteins with mobile parts that suffer modification as the molecule pass to the other side).

- Active transport: It does need ATP energy to pass the molecule through the membrane, as they have to move against the electrochemical gradient. This kind of transport is always mediated by a carrier protein. These proteins join with the molecules and suffer changes as they pass the solute to the other side of the membrane. An important example of this kind of transport is the sodium-potassium bomb.

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3 years ago

As a cell grows, what happens to its surface area to volume ratio? (hint: think of a balloon being blown up). how does this rati

iren [92.7K]

The surface area to volume ratio of the cell decreases.
This decrease is due to the fact that the volume of the cell increases at a greater rate than the surface surrounding the cell, the cell membrane, increases. This change is also visible when we are blowing up a balloon.

When considering the cell division, the ratio remains roughly the same. It is advantageous for the cell to preserve its surface area to volume ratio, since a higher ratio means that substances are able to diffuse into and out of the cell at a fairly higher rate.

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2 years ago

Every 18 months, during the Spring tide, the Moon is at its closest distance to the Earth, called its _____. This produces gravi

ankoles [38]

Perigee is the correct answer. This high tide is also known as the proxigean spring tide.

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3 years ago

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The molecule ATP is composed of elements that are usually found in organic molecules. Which of the following is one of the eleme

fomenos

Explanation:

ATP is the short form of Adenosine Triphosphate. The molecule is made up of three basic things: