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nika2105 [10]
3 years ago
6

When the Grand Canyon formed, many small mammal population were divided. Some members of the population were on one side and oth

ers are on the other, therefore, they were not able to mate with one another. Over time this separation and inability to mate with one another led to the emergence of new species. This type of speciation is called
A) sympatric speciation.
B) allopatric speciation.
C) parapetric speciation.
D) peripatric speciation.
Biology
1 answer:
Alinara [238K]3 years ago
8 0
I am pretty sure B is your answer
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There are 150 Pakicetus in the population at present. Assume Charles had another mutation; this one at the B locus, to produce a
alekssr [168]

Answer: Hello your question is incomplete below is the complete question

Let’s look at a different gene locus, we’ll call it B. The normal, wild type, the population was 100% BB. There are 150 Pakicetus in the population at present. Assume Charles had another mutation; this one at the B locus, to produce allele b. What is the gene frequency of allele b in the population if the population of Pakicetus reaches 100,000

answer : ≈ 1

Explanation:

<u>Determine the Gene frequency of allele b </u>

Population = 100,000

There are 150 Pakicetus in population i.e. 300 alleles at locus B

hence the frequency of b = 1/300 = 0.33%

Increase in population does not affect frequency of b ( HW equilibrium )

<em>therefore the Gene frequency of allele b </em>

= 0.33% * 0.33% * 100000 = 1.08  

≈ 1

5 0
3 years ago
A meter stick or meter tape is used to measure the length, width, or height of an object. A meter stick is most often divided an
Ludmilka [50]

Answer:

a centimeters

Explanation:

I think this is right. has both centimeters and millimeters but centimeters are labeled

7 0
3 years ago
. In which phase of cellular respiration is glucose a substrate?​
vodka [1.7K]

Explanation:

During glycolysis, enzymes act on the substrate, glucose. Glycolysis occurs in the cytoplasm; here, 2 molecules of ATP are used to cleave glucose into 2 pyruvates,  4 ATP and 2 electron carrying NADH molecules.

Further Explanation:

In all eukaryotic cells mitochondria are small cellular organelles bound by membranes, these make most of the chemical energy required for powering the biochemical reactions within the cell. This chemical energy is stored within the molecule ATP which is produced. Respiration in the mitochondria utilizes oxygen for the production of ATP in the Krebs’ or Citric acid cycle via the oxidization of pyruvate( through the process of glycolysis in the cytoplasm).

overall: C6H12O6 (glucose) + 6 O2 → 6 CO2 + 6 H2O + ≈38 ATP

Oxidative phosphorylation describes a process in which the NADH and FADH2 made in previous steps of respiration process give up electrons in the electron transport chain these are converted it to their previous forms, NADH+ and FAD. Electrons continue to move down the chain the energy they release is used in pumping protons out of the matrix of the mitochondria.

This forms a gradient where there is a differential in the number of protons on either side of the membrane the protons flow or re-enter the matrix through the enzyme ATP synthase, which makes the energy storage molecules of ATP from the reduction of ADP.  At the end of the electron transport, three molecules of oxygen accept electrons and protons to form molecules of water...

  • Glycolysis: occurs in the cytoplasm 2 molecules of ATP are used to cleave glucose into 2 pyruvates,  4 ATP and 2 electron carrying NADH molecules.
  • The Kreb's cycle: in the mitochondrial matrix- 6 molecules of CO2 are produced by combining oxygen and the carbon within pyruvate,  2 ATP oxygen molecules, 8 NADH and 2 FADH2.
  • The electron transport chain, ETC: in the inner mitochondrial membrane, 34 ATP, electrons combine with H+ split from 10 NADH, 4 FADH2,  renewing the number of electron acceptors and 3 oxygen; this forms 6 H2O, 10 NAD+, 4 FAD.

Learn more about cellular life at brainly.com/question/11259903

Learn more about cellular respiration at brainly.com/question/11203046

#LearnWithBrainly

5 0
3 years ago
How does the four subsystem of the Earth connectwitheach other?​
DiKsa [7]

The geosphere has four subsystems called the lithosphere, hydrosphere, cryosphere, and atmosphere. Because these subsystems interact with each other and the biosphere, they work together to influence the climate, trigger geological processes, and affect life all over the Earth.

3 0
3 years ago
In an ecosystem, there are many factors that affect how many organisms can survive there. Which of the following is one of those
Kruka [31]

I think C) availability of water is your best answer because alot of organisms count on water as a major resource because they need it to survive so a lack or a gain in the amount of water will majorly effect an ecosystem.

5 0
3 years ago
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