<span>Ans: G1 phase
Explanation:
Preparation of a newborn division happens in three steps:
G1 phase, G2 phase and S phase.
In G1 phase, the cell grows physically larger, copies organelles, and makes the molecular building blocks it will need in later steps.
mitosis is the process in which the nuclear DNA of the cell condenses into visible chromosomes and is pulled apart by the mitotic spindle, a specialized structure made out of microtubules.</span>
Answer:
Cleavage is a process in which cell is divided into several parts without increasing in size. There are 4 stages of cleavage i. e. 2-cell, 4-cell, 8-cell and 16 cell stages. 2 cell embryo cleavage occurs after 30 hours of fertilization. 4 cell embryo cleavage occurs after 48 hours. 6 cell embryo cleavage occurs on third day of fertilization. 8 cell embryo cleavage occurs on fourth day of fertilization and more than 100 cells are formed.
Answer:
D) Two parts of a skeleton meet
Explanation:
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Answer:E) integral proteins
Explanation:
STUDY
PLAY
What are the membrane structures that function in active transport?
A) peripheral proteins
B) carbohydrates
C) cholesterol
D) cytoskeleton filaments
E) integral proteins
E) integral proteins
