Mitochondria move from the cytoplasm into mitochondria using _____
Proteins coded for by nuclear DNA but found within A) signal sequences (peptides)
B) random transport vesicles
C) attachment of ribosomes to outer mitochondrial pores and direct deposition into the inner mitochondrial compartment
D) mRNAs that are manufactured in the nucleus, but translated by mitochondrial ribosomes
Answer: A
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Based on modern molecular phylogeny, which of the following is a derived condition within
Lophotrochozoa?
a. acoelomate species b. bilateral symmetry c. tissues d. multicellularity e. schizocoelom
Chromosomes are duplicated during the ____ of the cell cycle
a. G1 phase b. G2 phase c. S phase d. metaphase e. prophase
Which of the following statements about plant hormones is false?
a. They are organic compounds that act as a highly specific chemical signal. b. They are effective in extremely small amounts. c. They elicit many different responses. d. They may stimulate a response at one concentration and inhibit that same response at a different concentration. e. They currently can be categorized into seven major classes.
In the figure above:
a. the percent of fish found in larger groups increases as predation pressure increases. b. the percent of fish found in larger groups increases as predation pressure decreases. c. the percent of fish found in larger groups is not affected by changes in predation pressure. d. None of the above.