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amid [387]
3 years ago
14

Please Help now! Thanks!

Biology
2 answers:
Softa [21]3 years ago
5 0

Answer:

A

Explanation:

I'm pretty sure it's A because fish = fish feces which = nutrients.

iragen [17]3 years ago
4 0

Answer:

D

Explanation:

"Making whales a protected species to increase the whale population."  This is the correct answer because more whales means more recycled nutrients.  Therefore, by protecting whales, more whales will play a role in the process of the "Whale Pump".

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Explain Mendel's law of independent assortment and how the 9:3:3:1 phenotypic ratio among the F2 of a dihybrid cross provides ev
GrogVix [38]

Answer:

Explanation:

Mendel's law of independent assortment state that two different genes assort independently in gamete formation.

To reach this conclusion, one has to do a dihybrid cross. This means that two genes responsible for different traits need to be analyzed at the same time.

1) Starting with a <u>parental generation of a cross between two pure lines</u> (homozygous for both genes) <u>with different traits</u>, a plant with yellow and round seeds (YYRR) and another with green and wrinkled seeds (yyrr). <u>The F1 will be phenotypically homogeneous (</u>yellow and round)<u>, and genotypically heterozygous (</u><u>YyRr</u><u>)</u>.

2) If the individuals from the F1 are crossed with one another,  we have to do a Punnett Square to determine the phenotypic ratio of the F2.

  • If the genes assort independently, the F1 individuals will produce their different gametes with the same probability. Each possible gamete will appear in a 1/4 proportion: YR, Yr, yR, yr.
  • The 9:3:3:1 ratio is a result of analyzing the possible phenotypes that result from the dihybrid cross.

See the attached image for an illustration of the crosses in each generation and the Punnett Square.

4 0
3 years ago
The place where reactants bind to an enzyme during a reaction is called the
Dima020 [189]

Active site

A reactant binds to an enzyme in a region known as the active site during a reaction. The active site is the most important part of the enzyme because it is where the chemical reaction happens. It usually contains three to four amino acids and a binding site that binds the substrate and prepares it for catalysis.






3 0
3 years ago
Glycolysis is a part of cellular respiration that takes place in the absence of oxygen.
Marta_Voda [28]

Answer:

Explanation:

Glycolysis is an anaerobic process - it does not need oxygen to proceed. ... They follow glycolysis with the Krebs cycle and electron transport to make more ATP than by glycolysis alone. Cellular respiration that proceeds in the presence of oxygen is called aerobic respiration.

5 0
3 years ago
Compare diagram B to diagram A. How is it different?
Otrada [13]

Answer:

what diagram

Explanation:

7 0
3 years ago
If you had 36 chromosomes, how many did your parents give?
Dmitriy789 [7]

Answer:

1/2 of 36

Explanation:

7 0
3 years ago
Read 2 more answers
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