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Katarina [22]
3 years ago
5

Can someone help me this this

Biology
1 answer:
madreJ [45]3 years ago
7 0
All of them or ....
what question?  
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Mutations and variations are<br> 1:willed into existence <br> 2:random
mihalych1998 [28]

Answer:

2:random

Explanation:

Mutations are RANDOMLY caused by mistakes in the DNA replication process there is no telling when they will happen, nor is there a way to force mutations!

If correct PLEASE give brainliest and a thanks! But you do not have to!

Thanks,

andrewschneider05

6 0
3 years ago
Explain the reason it is important to make careful observations about the specimens when using a dichotomous key
enyata [817]
Dichotomous key is a tool <span> - a series of questions and choices </span>that allows the user to determine the identity of items in the natural world, such as trees, wildflowers, mammals, reptiles, rocks, and fish. The first step is observing the whole specimen you want to identify. Observing  the habitat in which it is growing,its size and  overall shape and some<span> distinguishing features. It is very important to make carefully these observations in order to use the key.</span>
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3 years ago
A drug that inhibits microtubule formation B. A drug that allows microtubules to form but prevents them from shortening C. A dru
Lorico [155]

Answer:

A)G2phase

B)Metaphase

C)Telophase

D)G2phase

Explanation:

A. G2phase (it could not complete prophase) being a subphase interphase, it directly enters into the mitosis. Also helps in completion of the S phase, during DNA replication.

B. Metaphase (it could not enter anaphase) here, the chromosome condenses and coiled, with them they have genetic material, lie in the equator before getting separated.

C. Telophase (it could not divide into two daughter cells) being the last stage in meiosis and mitosis, the role of prophase and prometaphase gets altered.

D.G2phase (it could not enter prophase)

6 0
3 years ago
A client underwent a mastectomy 24 hours ago. which information will the nurse include in the plan of care?
Ainat [17]
I think the nurse should include, the hand and elbow of the affected arm will be elevated above the shoulder. Mastectomy is the medical term for the surgical removal of one or both breasts, partially or completely, normally carried out to treat breast cancer. It is also usually used for women at high risk who have prophylactic mastectomy.
3 0
4 years ago
Read 2 more answers
Chondrocytes are found in cavities called
Sloan [31]

Answer: The chondrocytes exist in cavities in the matrix called lacunae. A cartilage with few collagen and elastic fibers is hyaline cartilage

Explanation:

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3 years ago
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