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dybincka [34]
3 years ago
8

Which human activity impacts the equilibrium of both the nitrogen and phosphate cycles

Biology
1 answer:
N76 [4]3 years ago
4 0

Answer:

B. over-fertilizing soil

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Explain how both passive
motikmotik

Answer:

Passive transport must occur to maintain homeostasis. Active transport must occur to get the needed nutrients in and out of the cell.

Explanation:

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3 years ago
Species a diverged from species b 60,000 years ago. On a particular gene, they have 15 nucleotide differences. How many nucleoti
a_sh-v [17]

The given question says that b species diverged around 60,000 year ago from species a. Since the divergence, they have a nucleotide difference of 15 nucleotide.

We need to find out the nucleotide difference in another 240,000 year, which means a total of 300,000 year since divergence.

The nucleotide difference in 60,000 years = 15 nucleotide.

The nucleotide difference in 1 year =\frac{15}{60,000}  nucleotide.

The nucleotide difference in 300,000 years = \frac{15}{60,000}\times 300,000 nucleotide.

The nucleotide difference in 300,000 years = 75 nucleotide.

Hence, after another 240,000 years or 300,000 years since divergence, the species and species b would show a difference of 75 nucleotide.

In another 240,000 years, there would be 60 nucleotide difference, as 15 of the nucleotide are already different in initial 60,000 years from the total of 75 nucleotide difference in 300,000 years. So, 60 (75-15) nucleotide difference would be observed in next 240,000 years.


4 0
3 years ago
Which of the following statements is true?
QveST [7]

Answer:

3- As cells get larger, the volume increases more than the surface area

Explanation:

As a cell develops, it grows larger and extends the cell membrane. Sadly, the volume rises greater than that of the surface area, and therefore the relative surface area usable to transfer resources to a unit cell volume declines gradually.

3 0
3 years ago
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Question 11 (1 point)
pishuonlain [190]
A different form of a gene
3 0
3 years ago
Hemophilia is a disease that causes uncontrollable bleeding. If a father has it, all of his daughters will be carriers of the di
Viktor [21]

Answer:

Protein is the macromolecule that is involved in how hemophilia is passed from parents to children

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Hemophilia A, also called factor VIII (8) deficiency or classic hemophilia, is a genetic disorder caused by missing or defective factor VIII (FVIII), a clotting protein. Although it is passed down from parents to children, about 1/3 of cases found have no previous family history.

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