Mod 7 Study Guide

Question 1

Interphase

Answer 1

The time interval between cellular reproduction.

Question 2

Karyotype

Answer 2

The figure produced when the chromosomes of a species during metaphase are arranged according to their homologous pairs.

Question 3

Diploid Cell

Answer 3

The total number of chromosomes in a diploid cell.

Question 4

Gametes

Answer 4

Haploid cells (n) produced by diploid cells (2n) for the purpose of sexual reproduction.

Question 5

Virus

Answer 5

A non-cellular infectious angent that has two characteristics: 1. has genetic material (RNA or DNA) inside a protective protein coat. 2. It cannot reproduce on its own.

Question 6

What factors besides genetics play a role in determining the characteristics of a person?

Answer 6

Environmental factors and spiritual factors

Question 7

Identify the stage of mitosis represented by each picture and this list the stages in order.

Answer 7

1. Telophase
2. Prophase
3. Metaphase
4. Anaphase

Question 8

A cell’s DNA consists of 12 pairs of homologous chromosomes. What is its diploid number? What is its haploid number?

Answer 8

Diploid # is 24 and the haploid # is 12

Question 9

Three cells that each has a diploid number of 32 go through mitosis. How many cells result and how many total chromosomes are in each?

Answer 9

6 cells result and the total number of chromosomes in each is 16.

Question 10

Three cells that each has a diploid number of 32 go through meiosis. How many cells result and how many total chromosomes are in each?

Answer 10

6 cells result and total number of chromosomes in each is 8.

Question 11

Which resembles mitosis most: meiosis I or meiosis II?

Answer 11

meiosis II

Question 12

A haploid cell with duplicated chromosomes turns into two haploid cells with no duplicated chromosomes. Did the cell go through mitosis, meiosis I, or meiosis II?

Answer 12

meiosis II

Question 13

A diploid cell with duplicated chromosomes turns into two diploid cells with no duplicated chromosomes. Did the cell go through mitosis, meiosis I, or meiosis II?

Answer 13

mitosis

Question 14

A single cell goes through meiosis. Only one useful gamete is produced. Did this meiosis take place in a male or female?

Answer 14

Female

Question 15

What does a vaccine do to make a person immune to a virus?

Answer 15

It aides the bodies production of antibodies which can aid in destroying the pathogen.

Question 16

What two different kinds of genetic material are found in viruses?

Answer 16

RNA or DNA

Question 17

A strand of tRNA has the following nucleotide sequence: adenine, uracil, guanine
What codon in mRNA attracts this strand of tRNA?

Answer 17

Uracil, Adenine, Cytosine

Question 18

Part of mRNA strand has the following nucleotide sequence:
uracil, guanine, cytosine, cytosine, guanine, adenine, uracil, adenine, adenine
For how many amino acids does this part of the strand code?

Answer 18

3 amino acids

Question 19

What DNA sequence produce the mRNA sequence given below

uracil, guanine, cytosine, cytosine, guanine, adenine, uracil, adenine, adenine

Answer 19

adenime, cytosine, guanine, guanine, cytosine, thymine, adenime, thymine, thymine