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Sveta_85 [38]
3 years ago
11

3. Which statement would be true of a membrane-bound protein that works in conjunction with a sodium–potassium pump during secon

dary active transport?
It will block a small molecule from moving across the cell membrane in response to an increase in concentration of an ion in the external environment.
It will be able to transport an ion in both directions across the cell membrane and a small molecule in one direction.
Its conformation will change when both an ion and a small molecule bind to it.
It will move a small molecule across the cell membrane in response to a build-up in concentration of the molecule in the external environment.
Biology
1 answer:
kow [346]3 years ago
4 0

Answer:

i

Explanation:

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baherus [9]

Answer:

b it does not really help structural support that is more a cell wall thing

Explanation:

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3 years ago
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Lower temperatures lead to slower soil formation.
MAVERICK [17]
<span>It is true that lower temperatures lead to slower soil formation. The lower the temperature in the air is, the slower the soil is going to form. In order for soil to form properly and completely, it needs to have some warmth because heat helps this process run faster. </span>
7 0
4 years ago
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A population of wild-flowers was scored for flower color. There were 302 blue (BB) plants, 1857 violet (BR) plants and 811 red (
Paul [167]

Answer:

frequency of the blue (B) allele = 0.4142

frequency of the red (R) allele = 0.5858

The number of blue plants expected is 509.652

The number of red plants expected is 1019.304

The anticipated number of violet plants is 1441.341

Calculated chi square value

= 84.5320 + 42.5688 + 119.8692\\= 246.97

Explanation:

Frequency of blue allele is

Frequency of blue allele is equal to sum of frequency of BB and half of frequency of BR

\frac{302}{2970} + \frac{1}{2} \frac{1857}{2970} \\= 0.1016 + 0.3126\\= 0.4142

Frequency of other allele

1- 0.4142\\= 0.5858

Chi Square test

See the attached file

The number of blue plants expected is 509.652

The number of red plants expected is 1019.304

The anticipated number of violet plants is 1441.341

Calculated chi square value

= 84.5320 + 42.5688 + 119.8692\\= 246.97

7 0
3 years ago
A well-organized layer of material lying outside the bacterial cell wall and which is not easily washed off is known as Select o
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The bacterial capsule is a well-organized layer of material lying outside the bacterial cell wall serving to protect the bacteria and which is not easily washed off.

<h3>What is the bacterial capsule?</h3>

The bacterial capsule is a well-organized layer of material lying outside the bacterial cell wall and which is not easily washed off.

The bacterial capsule is a layer of polysaccharides which are found outside the cell envelope, therefore, it is regarded as being part of the outer envelope of a bacterial cell.

The bacterial capsule is associated with being the cause of various bacterial diseases.

Learn more about bacterial capsule at: brainly.com/question/6009824

5 0
3 years ago
During dna replication, the two strands separate as the ____________ bonds connecting the parent strands are broken by an enzyme
Setler79 [48]
During DNA replication, the two strands separate as the hydrogen bonds connecting the parent strands are broken by an enzyme called helicase. In the DNA molecule (double strand) complementary bases are joined by hydrogen bonds; that is; Adenine paired to thyamine and guanine to cytosine; during replication the enzyme helicase separates the double helix by breaking the hydrogen bonds between the complementary bases. 
3 0
3 years ago
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