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serious [3.7K]
2 years ago
12

___ are capable of differentiation to form specialized cells.

Biology
1 answer:
inessss [21]2 years ago
7 0
Stem cells are cells that are not yet specialized. <span />
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N pea plants, tall plant height is dominant over short plant height. If there are 200 short plants in the F2 generation from a c
slava [35]

Answer:

600

Explanation: there is always a 3:1 ratio when you have a dominant and recessive trait.

hope it helps!

4 0
2 years ago
Read 2 more answers
How does phloem differ from xylem?
Pani-rosa [81]

Phloem is the food conducting tissue that has a two-way flow.

Explanation:

Plants prepare food on their own and plants also have conductive cells that carry out transportation process. Plants are divided into two types based on their conductive system i.) vascular plants  ii.) non vascular plants.

Vascular plants are those plants which have special conductive cells called phloem and xylem.

Xylem transports water from roots of the plants to other parts of plants and also provides mechanical support to plant. It is uni-directional.

Phloem is the food conducting tissue that transports food to plant and also have bi-directional movement.

7 0
2 years ago
People experience rapid physical growth and sexual maturation during?
Liula [17]

Answer:

B. puberty because it's still a stage of pre adult hood

8 0
3 years ago
Which of the following is NOT the result of a mutation in the DNA sequence of an organism?
Mama L [17]

DNA is copied during mitosis and when the two resulting copies of DNA are compared they are found to contain the same order of nucleotides is not the result of mutation in the DNA sequence of an organism.

Explanation:

Mutation is the process

It is caused by certain chemicals called mutagens or by environmental factors.

In mutation the nucleotide get change which eventually changes the protein product.

In  mutation purine base gets mutated to purine base and pyrimidine base gets mutated to pyrimidine only.

A single change in nucleotide is called point mutation and the effect occurring because of it is called frame shift mutations.

In S phase there are checkpoints which ensure that DNA replication is accurate and when mitosis follows it equal distribution of DNA takes place between the two daughter cells hence no mutation will takes place.

6 0
3 years ago
Why are four images shown in each set of PET images? Why would scientists need to examine more than
Dennis_Churaev [7]

Explanation:

Four images are shown in each set of PET scans to highlight either ,, blood glucose levels ,, cancerous tumour cells ,, whether or not vital organs are working correctly - or if the treatment of what is being given to the patient is working or not . more than one PET image may be taken of a subject's brain to see if the results are reliable and conform to the problem .

( i think ^^ )

3 0
2 years ago
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