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Virty [35]
2 years ago
12

A group of paleontologists have discovered a new fossil animal resembling a horse with intact DNA in the fossil. The fossil anim

al is theorized to have a phylogenetic relationship with a horse. What is the most appropriate method for determining if a close relation existed between these two species? A : Morphological studies B : Biochemical estimation C : Genetic analysis D : Physiological studies
Biology
1 answer:
balu736 [363]2 years ago
3 0

The correct answer is C. Genetic analysis

Explanation:

In biology, two organisms have a phylogenetic relationship if they share a common ancestor and therefore have genetic similarities although in most cases there are also similarities in morphology, physiology, etc. However, two organisms might have similarities in morphology and physiology without genetic similarities. Due to this, if you need to determine whether two species are related or not the best method is a genetic analysis as only those organisms that share a common ancestor (phylogenetic relationship) are genetically similar.

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Although glycolysis produces four molecules of atp by substrate-level phosphorylation, the net gain of atp for the cell is two molecules. This is because glycolysis is at first endergonic.

<h3>What is glycolysis?</h3>
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  • The high-energy molecules adenosine triphosphate and reduced nicotinamide adenine dinucleotide are created using the free energy released during this process.
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2 years ago
A man fell asleep in his running car one evening. he was brought into the er unconscious. his arterial po2 was 95 mmhg. his arte
babymother [125]
The first one answer is to be increased and the second one answer is to be decreased
7 0
2 years ago
Craig Venter’s group chose to create a synthetic life-form using a bacterium as their test subject. They inserted synthetic DNA
vodka [1.7K]

Answer:

The team would have to replace the nucleus.

Explanation:

Prokaryotic cells, such as the Mycoplasma capricolum cell used in the experiment do not contain either membrane bound organelles or a defined nucleus. Prokaryotic DNA floats around freely in the cytoplasm in a region called the nucleoid.

The genetic material of eukaryotic cells is protected by a membrane bound nucleus. Therefore, in order to replace an animal cell's DNA, the whole nucleus has to be removed.

Example:

In the process of cloning, the oocyte (egg cell) that receives the nucleus (from somatic cell) of the desired species or individual has to be enucleated i.e. its own nucleus has to be removed. This process is called somatic cell nuclear transfer.

8 0
2 years ago
What must be true about the number of chromosomes in each sex cell (when compared to the number of chromosomes in body cells
Mamont248 [21]

Answer:

The number of chromosomes in sex cell must be haploid (1n) as compared to body cell which is diploid(2n).

Explanation:

Body cells are diploid while the sex cells are haploid. We can say that sex cells contain half number of chromosomes as compared to body cells.

6 0
2 years ago
In what situations are bacteria decomposers? How can they be producers?
Alborosie

Bacteria are decomposers when they are turning the dead material in decaying organisms into nutrients. They become producers when they provide those nutrients for plants.

7 0
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