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liberstina [14]
2 years ago
15

A scientist is studying the reproduction of four organisms and records information about each organism in a table.

Biology
2 answers:
ozzi2 years ago
6 0

Answer:

It's Y

Explanation:

seraphim [82]2 years ago
3 0
If think about it if it was asexual then it came from 1 parent so it would be W
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Which of the following is not a piece of molecular evidence supporting the endosymbiotic theory?
LUCKY_DIMON [66]
I think it is B, that helps disprove it so it can't prove it.
6 0
3 years ago
Which of the following statements is true? Choose one: A. Bacteria can undergo cell differentiation without a change in gene exp
iogann1982 [59]

Answer: Option D

Explanation:

The bacteria can undergo cell differentiation in response to the environmental conditions.

The oxidative stress, antibiotic exposure, stress conditions are some of the external conditions due to which the bacterial cell can respond in the cell differentiation.

The bacterial species can divide based in the conditions in which they are put. So it is true that under stress conditions the bacterial cell can undergo cell differentiation.

8 0
3 years ago
What is the relationship between Microvilli of gut, epithelium, glucose, circulatory system, capillary fenestrations, glucose/AT
IgorLugansk [536]

All of these are the components of the catabolic pathway or using the nutrients to provide energy from it. The breakdown of food molecules begins in the mouth and continues to the small intestine. The nutrients are absorbed through the wall of the small intestine which. The surface of the intestine wall is specially modified (contains a huge number of hair-like structures-microvilli) which increase nutrient absorption. (more area for nutrients to be absorbed).  The digestive tract is lined with mucosa which consists of simple columnar epithelial cells. Monomer subunits of the food, like glucose are than absorbed and diffused down a concentration gradient into capillary blood. Glucose is converted into pyruvate molecules through the process of glycolysis. Catabolism ends in the major energy-converting organelle, the mitochondrion, where the ATP is produced.


8 0
3 years ago
A student isolates, purifies, and combines in a test tube a variety of molecules needed for DNA replication. After adding some D
aivan3 [116]

Answer:

DNA ligase

Explanation:

DNA replication is an enzyme mediated, 3-step process during which the DNA molecule produces a copy of itself. The 3 steps involved are as follows;

  • initiation
  • elongation
  • termination

<em>Initiation </em>involves the unwinding of the double helix structure of the DNA using DNA helicase enzyme

<em>Elongation</em> involves binding of RNA primer to the DNA strands and addition of bases to the primer<em> </em>to elongate the new chains. Bases are added to the leading strand continuously while the lagging strand is replicated in short segments (okazaki segments).

<em>Termination</em> involves the unbinding of RNA primer and substitution of its bases by DNA bases. The Okazaki fragments are then joined together using the DNA ligase enzyme.

<em>The short, numerous segments of DNA observed in the mixture is the Okazaki fragments of the lagging strand. This is due to the absence of the enzyme involved in the joining of these fragments.</em>

Hence, the answer is DNA ligase.

4 0
3 years ago
Someone please help :) I would really appreciate it ​
sammy [17]

Answer:

oxygen

Explanation:

8 0
3 years ago
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