Which of the following occurs in anaphase I?
a. separation of sister chromatids
b. separation of homologous pairs
c. crossing over
d. independent assortment
b. separation of homologous pairs
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Evaluate the following statement: Larger organisms do not generally have larger cells than smaller organisms; instead, they have more cells. Is that statement true or false? Explain briefly.
What will be an ideal response?
The unique sequence of monomer subunits in a protein is the ____ structure of the protein
a. primary b. secondary c. tertiary d. quaternary e. linear
Which of the following statements about the electron transport chain is true?
a. Protons are pumped out of the mitochondria by the complexes of the electron transport chain. b. The proton gradient established during electron transport is a form of potential energy. c. The electron transport chain can be found in the mitochondria of aerobic bacteria and other cells. d. The movement of protons down a concentration gradient is an endergonic process. e. ATP synthesis associated with the electron transport chain is an example of substrate level phosphorylation.
Water makes up 60-70% of total body weight.
Answer the following statement true (T) or false (F)