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katovenus [111]
4 years ago
7

The original source of all genetic variation is _____. the original source of all genetic variation is _____. sexual reproductio

n independent assortment mutation natural selection recombination
Biology
1 answer:
IceJOKER [234]4 years ago
7 0
The answer for the above question is Mutation. 
Mutations are random spontaneous changes that occur suddenly in the DNA. A single mutation can have a large effect, however in may cases evolutionary changes are based on the accumulation of many mutations. The gene flow is any movement of genes from one generation to another and is an important source of mutation 
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You are designing an artificial drug-delivery cell that can penetrate animal cells. Which protist structures should provide the
slavikrds [6]
<h2>Apical complex</h2>

Explanation:

  • A group of cytoskeletal structures and related layer limited organelles found at the foremost finish of grown-up commit intracellular protozoan parasites in the phylum Apicomplexa. The apical complex is engaged with connection to and infiltration of the host cell and in parasite multiplication.
  • Apicomplexans : Ciliates are pretty cool, but they're not the only group of alveolates out there. Next, we've got the apicomplexans. This group is characterized by an asymmetrical collection of alveoli at one end of the cell, which is called the apical complex.
  • the apical complex has shaped the way it is because it helps the cell latch onto and infects other cells.That's right, apicomplexans are parasitic. There are 4,000 known species of apicomplexans, all of them parasitic, and some of them pretty nasty.

7 0
3 years ago
I will give Brainliest! (If it's right) ⸂⸂⸜(രᴗര๑)⸝⸃⸃
Anastaziya [24]

Given what we know, we can confirm that if a cancer medicine wishes to stop cellular division, it must target the Centrioles of a cell.

<h3>What are the Centrioles of a cell?</h3>
  • The centrioles are cylinder-shaped organelles made up of microtubules.
  • Their function is to organize the contents of the cell before cellular division.
  • This is done to ensure that once the cell divides, its contents are split evenly to each daughter cell.
  • They also play a role in initiating the cellular division process.

Therefore, given the role of the centrioles in organizing the contents of the cell for cellular division, as well as initiating the first part of cell division, we can confirm that in order for a cancer medicine to stop cell division, it must target the centrioles.

To learn more about cells visit:

brainly.com/question/10688306?referrer=searchResults

6 0
2 years ago
Restriction endonucleases are especially useful if they generate sticky ends. What makes an end sticky?
Mazyrski [523]

The question is incomplete as it does not have the options which are:

A) single-stranded complementary tails

B) blunt ends

C) poly-A sequences

D) 5' cap

E) interference

Answer:

A) single stranded complementary tails

Explanation:

Restriction endonuclease is the enzyme which cuts the DNA sequence in the internal sequence.

The endonuclease enzyme can cut the DNA sequence in a way that it can form the cuts with the single-stranded overhangs called sticky ends and without overhangs called blunt ends.

The sticky ends are produced when the enzyme makes cut at the single strand and then makes the cut at between the same base at the nitrogenous base. This type of asymmetrical cut forms the single-stranded overhangs which can form the complementary base pairs easily.

Thus, Option-A is correct.

5 0
4 years ago
Metabolism can be defined as the ________.
ankoles [38]
D. sum of all chemical reactions in an organism
5 0
3 years ago
Which antibody class was produced first in this sequence of events
morpeh [17]

Answer:

IgM

Explanation:

........ ............ .

7 0
3 years ago
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