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love history [14]
3 years ago
12

Which is true regarding the mediated transport of a substance across a plasma membrane? it depends upon the binding of that subs

tance to a specific site on the membrane protein. it depends upon movement of proteins from one side of the membrane to the other. it always increases in direct proportion to the increasing concentration of the substance on one side of the membrane. both "depends upon the binding of that substance to a specific site on the membrane protein" and "depends upon movement of proteins from one side of the membrane to the other" are correct. all of the choices are correct?
Biology
1 answer:
Maurinko [17]3 years ago
3 0
Both "depends upon the binding of that substance to a specific site on the membrane protein" and "depends upon movement of proteins from one side of the membrane to the other" are correct.

The saturation effect prevents statement 2 from being true.
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1. When cities in the Northern Hemisphere are having their coldest temperatures, what is happening in the Southern Hemisphere?
miv72 [106K]

Answer:

1. The Southern Hemisphere would be having it’s hottest temperatures.

2. Depends, if you are near each other yes, but say Antarctica and Florida won’t have the same temperatures as each other because they are different climates.

3. diurnal temperature variation.

Explanation for 1:

The two hemispheres are opposite, one is hot, one is cold. Therefore, the Southern Hemisphere would be having it’s hottest!

5 0
3 years ago
If you have a cell with more salt outside the cell, then inside the cell what will happen to the cell?
hodyreva [135]

Answer:

The cell would lose the water inside it causing it to die.

Explanation:

Water in cells moves towards the higher concentration of salt so if there is more on the outside the water would move on the outside causing it to die because it needs water. If it was the opposite and there was more salt inside more water would go inside causing the cell to swell and virtually exploding and diluting parts of our body.

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3 years ago
What is the RNA sequence that results from the following DNA sequence (ATCGTCAATCAAAA) during transcription?
Oliga [24]

Answer:

UAGCAGUUAGUUUU

Explanation:

The sequence matches up with the corresponding bases. Because it is RNA A goes with U not T but T still goes with A.

A T

U A

7 0
2 years ago
Read 2 more answers
Calculate the volume of the cone.
ale4655 [162]

Answer:

4778.4 cm³

Explanation:

The formulae of finding the volume of a cone =  1/3 * π * r² * h

(r = radius; h = height)

Therefore replacing the variable with values gives = 1/3 * π * 13² * 27

= 4,778.3624261100755157016805859681‬

Volume to the nearest tenth = 4778.4 cm³

3 0
3 years ago
What do the numbers 3 and 4 refer to in 3NH4
xz_007 [3.2K]

The numbers 3 and 4 means that there are 3 Nitrogen atoms, and 12 Hydrogen atoms in the chemical formular (3NH4). The 3 coefficient in front of the compound applies to all of the elements while the 4 applies to only hydrogen (H). This means that the compound contains 3 Nitrogen atoms and 12 (4 multiplied by 3) Hydrogen atoms.

4 0
3 years ago
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