Identify the phase of the cell cycle which is the longest.
Interphase
100
What is the 1st phase of mitosis?
prophase
100
The cell that is produced when the egg is fertilized by a sperm is called?
zygote
100
What is the process when an egg and sperm join together?
a) gametes
b) apoptosis
c) fertilization
d) nondisjunction
c) fertilization
100
Name the phases of mitosis in order.
prophase, metaphase, anaphase, and telophase
200
Name the 3 parts of interphase in order.
G1, S, and G2
200
Which phase shows chromosomes being pulled apart?
anaphase
200
What phase does crossing over occur in?
prophase 1
200
What is the term for chromosomes that are the same size and hold the same genes?
homologous
200
Several potato pieces are placed into a solution. After 24 hours, they are observed to have less mass. What type of solution were the pieces placed in?
A) hypotonic
B) isotonic
C) supersonic
D) hypertonic
D) hypertonic
300
During prophase, DNA is packaged into ______________.
Chromosomes
300
If a cell can't repair an error during interphase, what must happen?
It must die or go through apoptosis.
300
If a haploid pollen cell has 8 chromosomes, how many chromosomes are in a diploid cell?
16
300
If a body cell has 36 chromosomes, how many chromosomes are in an egg cell?
18
300
Which organelle allows materials to enter or leave a cell?
cell membrane
400
What is the first phase that shows the nuclear envelope reappearing?
telophase
400
Which phase shows chromosomes lined up at the center of the cell?
metaphase
400
What is the process when chromosomes are not equally distributed between egg and sperm cells causing genetic disorders?
nondisjunction
400
Why is crossing over necessary?
It provides genetic variation so not every organism will be identical to each other.
400
What organelles stores DNA?
nucleus
500
Name the phases of the cell cycle in order.
Interphase, prophase, metaphase, anaphase, telophase, and cytokinesis
500
Determine if a heart muscle cell is a somatic cell or gamete. Then determine if it is a haploid cell or diploid cell.
They are somatic cells since they are part of the body and are diploid because the cells receive chromosomes from both parents.
500
Name 2 differences between mitosis and meiosis.
Any 2 of the following answers is acceptable: 1) 2 identical cells are produced after mitosis and 4 different cells are produced after meiosis. 2) diploid cells are produced after mitosis and haploid cells are produced after meiosis. 3) there are 2 cell divisions during meiosis and 1 division during mitosis. 4) crossing over happens in meiosis but no meiosis.
500
Name a similarity between mitosis and meiosis.
Either answer is acceptable: 1) They are both types of cell division. 2) Interphase occurs before mitosis and meiosis.
500
Name a difference between prokaryotic and eukaryotic cells.
Any of the following answers are acceptable: prokaryotic cells 1) are smaller, 2) reproduce faster, 3) have no nucleus, 4) have circular DNA instead of linear DNA compared to eukaryotic cells.