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Question 1
A) Skin cells(1 point)

have terminally differentiated.

become senescent quickly.

continually replicate.

become quiescent quickly.
.
Question 2
A) Which cell type undergoes terminal differentiation?(1 point)

hair cells

heart cells

stem cells

epithelial cells

Question 3
A) DNA replicates in the(1 point)

cell membrane.

endoplasmic reticulum.

cytoplasm.

nucleus.

Question 4
A) Which of the following might affect gene expression in a complex organism?(1 point)

the ability to reverse terminal differentiation

the number of chromosomes being copied

the types of cells near the site

the amount of time a cell takes to replicate DNA

Question 5
A) What replicates during mitosis?(1 point)

organelles

proteins

cytoplasm

cells

Sagot :

Drift102

Answer: Question 1 answer: Skin cells continually replicate

Explanation: The cells in the superficial or upper layers of skin, known as the epidermis, are constantly replacing themselves. This process of renewal is basically exfoliation (shedding) of the epidermis. But the deeper layers of skin, called the dermis, do not go through this cellular turnover and so do not replace themselves.

Question 2 answer: Heart cells undergo terminal differentiation

Explanation: Different cell types (e.g., neurons, skeletal and heart myocytes, adipocytes, keratinocytes) undergo terminal differentiation, in which acquisition of specialized functions entails definitive withdrawal from the cell cycle.

Question 3 answer: DNA replicates in the nucleus

Explanation: DNA replication occurs in the cytoplasm of prokaryotes and in the nucleus of eukaryotes. Regardless of where DNA replication occurs, the basic process is the same. The structure of DNA lends itself easily to DNA replication.

Question 4 answer: The ability to reverse terminal differentiation might affect gene expression in a complex organism

Question 5 answer Cytoplasm replicates during mitosis

Explanation: This process involves replication of the cell's chromosomes, segregation of the copied DNA, and splitting of the parent cell's cytoplasm. ... The outcome of binary fission is two new cells that are identical to the original cell.

Answer:

1)become sediment quickly

2)heart cells

3)nucleus

4)the types of cells near the site

5)cells

Explanation:

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