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DNA
Mitosis
Mitosis
Meiosis
It's All Relative
100
A protein disk that attaches 2 chromatids to each other is A. chloroplast B. centrosome C. centriole D. centromere
centromere
100
During which phase do chromosomes become visible? A. telophase B. anaphase C. metaphase D. prophase
prophase
100
During which phase do centrosomes begin to form in mitosis A. prophase B. metaphase C. anaphase D. telophase
prophase
100
Daughter cells in meiosis have A. 4 times the chromosomes as parent cells B. 2 times the chromosomes as parent cells C. half the chromosomes as parent cells D. the same amount of chromosomes as parent cells
half the chromosomes as parent cells
100
The stage of the cell cycle that occupies most of the cell's life is A. G1 B. M C. S D. cytokinesis
G1
200
Each chromosome consists of 2 A. daughter cells B. centrioles C. centrosomes D. chromatids
chromatids
200
The phase that is characterized by arrangement of all chromosomes along the equator A. telophase B. metaphase C. anaphase D. prophase
metaphase
200
diploid: somatic as haploid : A. body cell B. zygote C. gamete D. somatic cell
gamete
200
Which of the following is unique to meiosis? A. nuclear membrane breaks down B. chromosomes align a the midline C.DNA organizes into chromosomes D. crossing over
Crossing over
200
Identify the correct sequence of events? S, G1, cytokinesis, M, G2
G1, S, G2, M, cytokinesis
300
A diploid cell is one that A. 2 homologous of each chromosome B. is designated by 2n C. has chromosomes found in pairs D. all of the above
all of the above
300
Which is true about mitosis A. results in 2 haploid cells B. results in 2 diploid cells C. results in 4 haploid cells D. results in 4 diploid cells
results in 2 diploid cells
300
In plant cells, cytokinesis occurs A. when chromosomes make copies B. when spindle fibers are formed C. when a cell plate forms D. when cleavage furrow forms
a cell plate forms
300
True or False: Daughter cells produced in meiosis are identical
False
300
Separation of homologous chromosomes occurs in A. mitosis B. meiosis I C. meiosis II D. fertilization
meiosis I
400
The chromosome of a bacterium A. is wrapped around proteins B. has a circular shape C. is found within the nucleus D. occurs in pairs
has a circular shape
400
Give the correct sequence of events in mitosis metaphase, anaphase, telophase, prophase, cytokineses
prophase, metaphase, anaphase, telophase, cytokinesis
400
The phase where the spindle fibers disassemble and chromosomes return to chromatin state. A. prophase B. metaphase C. anaphase D. telophase
telophase
400
Synapsis and Crossing over result in A. genetic recombination B. independent assortment C. sexual reproduction D. binary fission
genetic recombination
400
Which event occurs in somatic cells A. mitosis B. meiosis C. binary fission D. fertilization
mitosis
500
The diploid number of chromosomes in human skin is 46. How many are found in in a human ovum A. 23 B. 46 C. 92 D. 2
23
500
At this checkpoint, DNA replication is verified A. G1 B. G2 C. S D. M
G2
500
At this checkpoint, proteins verify that the cell is healthy and at a suitable size for division A. G1 B. S C. G2 D. M
G1
500
Meiosis in females results in A. 1 mature egg and 3 polar bodies B. 1 polar body and 3 mature eggs C. 4 mature eggs D. 4 polar bodies
1 mature egg and 3 polar bodies
500
The production of new cells that are different from each other occurs in A. mitosis B. binary fission C. meiosis D. both a and c
meiosis