Cell Growth And Division Question Preview (ID: 6186)
Cell Reproduction.
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Hereditary information is stored inside the
a) ribosomes, which have chromosomes that contain many genes
b) nucleus, which has genes that contain many chromosomes
c) nucleus, which has chromosomes that contain genes
d) ribosomes, which have genes that contain many chromosomes
Which sequence of terms represents a decrease from the greatest number of structures to the least number of structures present in a cell?
a) nucleus, gene, chromosome
b) chromosome, gene, nucleus
c) gene, chromosome, nucleus
d) gene, nucleus, chromosome
Which statements best describe the relationship between the terms chromosomes, genes, and nuclei?
a) Chromosomes are found on genes. Genes are found in nuclei.
b) Genes are found in nuclei. Nuclei are found in chromosomes.
c) Genes are found on chromosomes. Chromosomes are found in nuclei.
d) Chromosomes are found in the nuclei. Nuclei are found in genes.
Which of the following is a reason that the size of a cell is limited?
a) Larger cells are easier for an organism to produce than smaller cells.
b) The size of a cell has no relationship to the cell\'s function in a multicellular organism.
c) The larger the cell becomes, the easier it is for substances to reach where they are needed.
d) The cell\'s ability to exchange substances is limited by its surface-area-to-volume ratio.
What is a gene?
a) a large molecule of chromosomes
b) a segment of RNA that moves from the nucleus to the cytoplasm
c) a segment of DNA that codes for RNA and protein
d) a protein that directs the activity of a cell
What might happen if cytokinesis were omitted from the cell cycle?
a) The daughter cells would die.
b) The cell would not divide into two daughter cells.
c) The daughter cell would not have nuclei.
d) The cell would lose its mitchondria.
Mitosis could not proceed if a mutation interrupted the assembly of the
a) cell wall
b) nuclear envelope
c) cell membrane
d) spindle fibers
Offspring that result from meiosis and fertilization each have
a) twice as many chromosomes as their parents
b) gene combinations identical to those of each parent
c) gene combinations different from those of either parent
d) one-half as many chromosomes as their parents
Compared to human cells resulting from mitotic cell division, human cells resulting from meiotic cell division would have
a) twice as many chromosomes
b) one-quarter the number of chromosomes
c) one-half the number of chromosomes
d) the same number of chromosomes
Which statement correctly describes the genetic makeup of the sperm cells produced by a human male?
a) Each cell has pairs of chromosomes and the cells are usually genetically identical.
b) Each cell has half the normal number of chromosomes and the cells are usually genetically different.
c) Each cell has half the normal number of chromosomes and the cells are usually genetically identical.
d) Each cell has pairs of chromosomes and the cells are usually genetically different.
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