What would be revealed in a comparison of mitosis and cytokinesis in animal cells and plant cells?
a. A cleavage furrow is initiated in animal cells, while a cell plate begins to form in plant cells during telophase.
b. The nuclear envelope disintegrates in prophase in animal cells, but remains intact in plant cells.
c. Sister chromatids are identical in animal cells, but they differ from one another in plants.
d. In animal cells, chromosomes do not become attached to the spindle until anaphase, whereas chromosom
Ans: a. A cleavage furrow is initiated in animal cells, while a cell plate begins to form in plant cells during telophase.
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There are eight total steps in the citric acid cycle, and pyruvate is completely oxidized in steps three
and four. What is the purpose of the last four steps that occur in the cycle?
a. to replenish the supplies of NAD+ and FAD b. to break down glucose into a three-carbon molecule c. to regenerate oxaloacetate to attach another acetate molecule d. to produce ATP by substrate-level phosphorylation e. to produce ATP by oxidative phosphorylation
A time-specific life table is constructed by sampling the
A) fate of a group of individuals born at a given time from birth to death. B) fate of a group of individuals born over several time periods from birth to death. C) population to obtain a distribution of age classes during a single time period. D) population to obtain a distribution of age classes during multiple time periods.
Oysters have a(n) Type-II survivorship curve. Indicate whether the statement is true or false
A(n) ________ is the protein shell around the nucleic acid core of a virus.
Fill in the blank(s) with the appropriate word(s).