Biology, 17.03.2020 23:40 sweetcandy16gaming

Specific regions of eukaryotic chromosomes contain sequence elements that are absolutely required for the proper transmission of genetic information from a mother cell to each daughter cell. Which of the following is not known to be one of these required elements in eukaryotes? PLEASE EXPLAIN WHY

A. terminators of replication

B. origins of replication

C. telomeres

D. centromeres

Answers: 1

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Answer from: guendyg04

Answer is option "A"

Explanation:

In E.coli the 5 ter locales, J, G, F, B and C are organized restricted to ter destinations H, I, E, D and An, and can capture the fork advancing the clockwise way and can hinder the anticlockwise heading, separately In most bacterial DNA replication, inception happens at a source where, because of the roundabout idea of the chromosome, the replication forks move bidirectionally to end at roughly 180 degrees away, at a particular arrangement ends locale. In the two systems a trans-acting replication end protein ties to a particular cis-acting DNA arrangements; the replication ends (ter), and the DNA-protein complex captures the movement of replication forksHence, the right answer is option A "terminators of replication"

Answer from: Quest

answer: b: experiments that showed that all cells are similar in how they metabolize and in their composition

explanation:

Answer from: Quest

interphase

the period of cell growth when the cell synthesizes new molecules and organelles. the cell is not dividing and it constitutes the majority of the time spent in the cell cycle

prophase

changes occur in the nucleus and cytoplasm. the chromatin condenses to form structures (sister chromatids) visible with a light microscope and the mitotic spindle begins to form, but the nucleus is still in tact

prometaphase

the nuclear envelope fragments and the spindle microtubules attach to the kinetochores of the sister chromatids

metaphase

all the cell's duplicated chromosomes are lined up at an imaginary plane equidistant between the poles of the mitotic spindle

anaphase

begins when sister chromatids separate from each other and ending when a complete set of daughter chromosomes arrives at each of the two poles of the cell

telophase

the daughter nuclei form at the two poles of a cell

cytokinesis

the division of a cytoplasm to form two separate daughter cells. usually occurs during telophase during mitosis. this and mitosis make up to mitotic (m) phase of the cell cycle

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