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amm1812
3 years ago
8

The number of protons plus that number of neutrons equals the

Biology
2 answers:
beks73 [17]3 years ago
7 0
The number of protons plus the number of neutron equals the ATOMIC MASS.
An atom is made up of three different particles which are proton, neutron and electron. The proton and the electron reside in the nucleus of the atom while the electron orbit the nucleus. The number of proton plus the number of neutrons in the nucleus of an atom gives the atomic mass of that atom.
iragen [17]3 years ago
4 0

Answer:

B. Atomic Mass

Explanation:

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How did Hershey and Chase ""label"" viral DNA and viral protein so that they could be distinguished? Explain why they chose each
vlabodo [156]

Answer:

As DNA contain phosphorus in its structure in large amount, therefore, Harshey and Chase labeled DNA with radioactive phosphorus and because protein contains some amino acids which have sulfur so they labeled T2 bacteriophage protein with sulfur.

So after that they infected E.coli bacteria with radioactively labeled phages and after centrifugation, they have found that pellet which contains cells is showing the presence of radioactive phosphorus and supernatant which have T2 phage capsid protein showing the presence of radioactive sulfur.

Therefore by labeling viral protein and viral DNA they found that DNA is the genetic material not protein.

7 0
3 years ago
According to the _____ theory, when a physiological need, such as hunger, creates an aroused tension state, it drives the organi
madreJ [45]

Answer:

the drive-reduction theory

Explanation:

The drive-reduction theory is one of the theories of motivation.

This theory contains the idea that a physiological need creates a drive, which in turn motivates an organism to satisy their need.

The theory targets homeostasis or biological balance.

When there is a need such as lack of water, the need would cause a drive to be developed (thirst).

The drive would activate a response (search for water to drink).

The response is then terminated when the need has been satisfied.

4 0
3 years ago
Please help me and hurry
miskamm [114]

Answer:

5

Explanation:

-5 0 5 10

---------------------------------------------------------

start at 0, move right 3, so ur at 3. then move left 4, so its -1. Then 6 to the right so its 5.

0+3=3-4=-1+6=5

8 0
3 years ago
Which of the following statements about a prokaryotic cell is NOT true?
Gemiola [76]

The right option is; A. Prokaryotic cells have a nucleus

''Prokaryotic cells have a nucleus'' is the statement about prokaryotic cells that is NOT true.

Prokaryotic cells are cells that lack a true nucleus and some other cell organelles. Prokaryotic cells are found in unicellular organisms called prokaryotes. Examples of prokaryotes are; Bacteria and Archaea. The components of prokaryotic cells include plasma membrane, cell wall, cytoplasm, nucleoid, ribosomes, DNA (deoxyribonucleic acid). Most of the prokaryotic’s DNA (genetic material) is located in a middle area of the cell (nucleoid), and it contains a single large loop known as a circular chromosome.

7 0
3 years ago
Substitution is a type of point mutation. They are called point mutations because they________?
Ksju [112]

Answer:

I believe it is Involve only a single nucleotide and if not then its Change the genetic information in DNA

Explanation:

6 0
3 years ago
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