Question 1

Fertilization of an egg in vitro, leading to separation of individual cells from the 8-cell stage for implantation into a surrogate mother is called ________.

Accepted Answer

The answer of Fertilization of an egg in vitro, leading...

Question 2

The most important checkpoint in the regulation of cell reproduction is during the ________ phase of interphase.

Accepted Answer

The answer of The most important checkpoint in the regulation...

Question 3

Mitochondria have their own DNA, which encodes some of the proteins that function within the mitochondria. Explain why the inheritance of mitochondrial DNA is described as "maternal inheritance."

Accepted Answer

The answer of Mitochondria have their own DNA, which encodes...

Question 4

During transcription, a portion of a cell's DNA is converted to a complimentary strand of mRNA. The mRNA is eventually used as the blueprint for making one or more proteins, but not immediately. A short lag time is necessary between transcription and the initiation of translation. Why?

Accepted Answer

The answer of During transcription, a portion of a cell's...

Question 5

A(n) ________ forms during cytokinesis as contractile filaments in the cell tighten.

Accepted Answer

The answer of A(n) ________ forms during cytokinesis as contractile...

Question 6

During translation, attachment of a "start" codon to the small ribosomal subunit constitutes the beginning of the ________ stage.

Accepted Answer

The answer of During translation, attachment of a "start" codon...

Question 7

The specialization of stem cells into various cellular types is called ________.

Accepted Answer

The answer of The specialization of stem cells into various...

Question 8

The primary transcript that results from transcription must be modified in eukaryotes before it can be translated into a functional protein. The nucleotide sequence pieces that ultimately form the resulting mRNA and contain the genetic information are called ________.

Accepted Answer

The answer of The primary transcript that results from transcription...

Question 9

Meiosis in females is not complete until ________ occurs.

Accepted Answer

The answer of Meiosis in females is not complete until...

Question 10

All cells that make up the body other than germ cells are referred to as ________.

Accepted Answer

The answer of All cells that make up the body...

Question 11

The beginning of each gene in DNA is marked by the presence of a base sequence that RNA polymerase can attach to. This is called the ________.

Accepted Answer

The answer of The beginning of each gene in DNA...

Question 12

Alterations in DNA, whether they occur by mistake during replication, or as a result of some type of damage, can lead to mutations. Mutations, however, are rare in terms of leading to actual damage to a cell. Why?

Accepted Answer

The answer of Alterations in DNA, whether they occur by...

Question 13

The study of how gene expression is altered by factors in the cell's environment rather than the DNA sequence of the gene itself is called ________.

Accepted Answer

The answer of The study of how gene expression is...

Question 14

Explain the importance of checkpoints to the cell cycle.

Accepted Answer

The answer of Explain the importance of checkpoints to the...

Question 15

Cloning for the specific purpose of treating human disease is referred to as ________ cloning.

Accepted Answer

The answer of Cloning for the specific purpose of treating...

Quiz 17: Cell Reproduction and Differentiation