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nlexa [21]
2 years ago
14

Which statement describes the ability of the cell membrane to allow various substances to move tbrough it?

Biology
1 answer:
sweet [91]2 years ago
8 0

The statement that describes the ability of the cell membrane to allow various substance to move through is that the cell membrane is preamble and allows only certain substances to pass through.

Explanation:

The plasma membrane is preamble, hydrophobic molecules and small polar molecules diffuse through lipid layer. The integral membrane proteins enable large polar molecules to pass through the membrane.

Some molecules can cross the membrane like hydrocarbons and oxygen. Whereas the large molecules like glucose and sugars cannot cross. The water pass through lipid.

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<span>The action of Helicase is to create replication forks and replication bubbles. Helicase is the first step in the DNA replication process. Helicase is an enzyme that breaks the hydrogen bond between the parental DNA to free the DNA double helix. The area where it unwinds is called as replication fork.</span>
7 0
2 years ago
When Thomas Hunt Morgan crossed his red-eyed F1 generation flies to each other, the F2 generation included both red- and white-e
EastWind [94]

Answer:

Gene is present on the X chromosome.

Explanation:

The two main types of chromosomes are autosomes and sex chromosomes. Autosomes regulates the functioning of the body but do not play role in determining the sex of an individual. The sex chromosomes distinguishes between the male and female.

The linkage of sex chromosomes is present in Drosophila as well. The cross between the F1 generation leads to both the red and white eyed flies because the eye color gene is present on the X chromosome. The males contain only one X chromosome and the presence of recessive gene results in the white color whereas in females both the X chromosomes must contain recessive gene for the white color.  

Thus, the answer is gene involved is on the X chromosome.

8 0
2 years ago
The genes for miniature wings (m) and garnet eyes (g) are approximately 8 map units apart on chromosome 1 in Drosophila. Phenoty
Luden [163]
<h2>Answer is option " 2 & 4"</h2>

Explanation:

  • Two types of posterity can be created subsequent to mating: parental and recombinant. Recombinants are created because of the traverse of non-sister chromatids at the hour of gamete arrangement. Here, mating happens between m+g/mg+ female and mg/mg male so the posterity would be separated as follows:  
  • m+g/mg : Parental  
  • mg+/mg : Parental  
  • m+g+/mg : Recombinant  
  • mg/mg : Recombinant  
  • m+g+/mg (wild sort) and mg/mg (smaller than usual wings, garnet eyes) are the recombinants thus they were created because of the hybrid occasion.
  • Hence,the right answer is option 2 & 4 "wild type and miniature wings,garnet eyes"

7 0
2 years ago
Which of the following is true for subtropical jet streams?
Kamila [148]

Answer:

A

Explanation:

A. They bring cool air

3 0
2 years ago
Read 2 more answers
Amoeba sisters video recap enzymes <br> 4) Variable affecting enzyme function
liq [111]

Answer:

Several factors affect the rate at which enzymatic reactions proceed - temperature, pH, enzyme concentration, substrate concentration, and the presence of any inhibitors or activators.

Explanation:

What 4 things can affect the way enzymes work?

Several factors affect the rate at which enzymatic reactions proceed - temperature, pH, enzyme concentration, substrate concentration, and the presence of any inhibitors or activators.

4 0
2 years ago
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