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drek231 [11]
3 years ago
13

Which element is more important to life, water or carbon? why?

Biology
1 answer:
stellarik [79]3 years ago
3 0
Carbon would be the answer to this because it is an element while water is a compound. In addition, carbon had 4 bonding sites which allows it to form a variety of molecules like sugars, proteins, and even DNA that are essential for life as we know it.
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If a compound microscope has a 10x lens in its eyepiece and a 20x lens in its nosepiece ,what is its total magnification?
Arisa [49]
30x Magnification I think hope that helped
6 0
3 years ago
Venous return to the heart is increased during expiration. <br> a. True <br> b. False
dolphi86 [110]
I believe the correct answer is B. False
 
5 0
3 years ago
Which statements correctly describe mutations in gametes and mutations in somatic cells?
Cerrena [4.2K]

The mutation in the somatic cells is known as somatic mutations. As they do not take place in the cells, which give rise to gametes, thus, the mutation is not inherited to the next generation by the sexual means.  

On the other hand, the genetic mutations take place in the germline cells, that is, egg and sperm, because of this the mutations possesses the tendency to get passed on from one generation to another.  

Thus, mutations are only passed on to offspring when they take place in germ cell DNA. The other kind of cells, the somatic cells refers to the rest of the cells in the body and mutations, which takes place in these cells do not get inherited further to the offspring.  

Hence, the correct statements are mutations to gametes can be passed on to an organism's offspring and mutations to somatic cells are only present in the type of cell in which the mutation occurred.

6 0
4 years ago
Read 2 more answers
Hannah is comparing a rock from a riverbed and a rock from deep underground. One is very smooth, and the other has very rough ed
ValentinkaMS [17]
The rock found in the riverbed that is smooth is from the result of weathering of water in the river and erosion. The rock deep underground was most likely a product of erosion. The dirt and ground above it were eroded and displaced there to cover the rock.
7 0
3 years ago
Which of the following structural changes is not typically seen in a cell that is undergoing apoptosis? Choose one: A. The cytos
barxatty [35]

Answer:

The correct answer will be option-D

Explanation:

Apoptosis is the process which leads to the death of the cell which is programmed and thus is known as the programmed cell death.

The death of a cell takes place when the cell experiences the lack of survival signals either due to the need to kill the cell or some genetic defects in DNA contained in cells.

The cell which undergoes apoptosis process can be easily marked by their shape as it gets shrunk, the cytoskeleton of the cell collapses, irregular bulges called blebs and the disassembly of the nuclear envelope.

Since the cell shrinks instead of swelling, therefore, option-D is the correct answer

6 0
3 years ago
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