BIOL 1011 : BIOL 1011 Exam 2 Outline
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1- Most of a cell's life is spend in this phase of the cell cycle:
--------------------
2- The cell cycle is a highly regulated process.
True
False
3- Cells replicate their DNA during ________________ phase.
G
S
Q
M
4- In animal cells, ________________________ is the indentation of the cell's surface that marks cytokinesis, the final splitting of the membrane, in the process of cell division.
cleavage furrow
binary fission
cell plate
sister chromatids
5- Somatic ("body") cells are _______________ (2n). This means there are two copies of each chromosome.
6- During the _______ phase(s) cells perform their everyday functions.
S
M
Q
G
7- When chromosomes are duplicated the two strands are called _______________________________ and they are linked together at a point called the ____________________.
sister strands; kinetochore
sister chromatids; centromere
dual chromatids; centromere
genes; chromatid
8- New somatic âbodyâ cells are formed by this process:
meiosis
binary fission
replication
mitosis
9- The cytoplasmic division of a cell at the end of mitosis or meiosis, bringing about the separation into two daughter cells.
10- Cells replicate their DNA during ________________ phase.
S
Q
G
M
Question 1 (2 points)
In which phase of cell division is marked by the dissolution of the nuclear membrane, the condensation of chromosomes, and the formation of the mitotic spindle?
Question 1 options:
prophase | |
metaphase | |
telophase | |
anaphase |
Question 2 (2 points)
The physical separation of cells during cell division is called:
Question 2 options:
Cytokinesis | |
Telophase | |
Interphase | |
Chromosome | |
Cell plate |
Question 3 (2 points)
Meiosis is necessary for sexual reproduction; the gametes formed during this process before fertilization are _______________.
Question 3 options:
Haploid | |
Diploid | |
Zygote | |
Homologous | |
Tetrads |
Question 4 (2 points)
Mitosis is the process by which a ___________ cell separates the chromosomes in its nucleus into two identical sets of nuclei.
Question 4 options:
eukaryotic | |
prokaryotic | |
bacterial | |
all of these are correct |
Question 5 (2 points)
Which of the following statements about crossing over is INCORRECT?
Question 5 options:
It occurs between homologous chromosomes | |
It allows for two parents to produce many different types of offspring | |
It contributes to genetic diversity in a population | |
It occurs during prophase I of mitosis |