What percent of Earth’s total primary
production is supplied by the ocean’s primary
producers?
a. 10
b. 30
c. 50
d. 70
e. 90
C
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Which of the following occurs in meiosis but not in mitosis?
A) chromosome replication B) synapsis of chromosomes C) production of daughter cells D) alignment of chromosomes at the equator E) condensation of chromosomes
What is the Coracoid?
What will be an ideal response?
An ideal organism for a geneticist to use as a study organism would possess which of the following characteristics?
A) A relatively short life cycle B) A large degree of genetic variation among individuals C) Matings that produce large numbers of offspring D) A well-characterized genetic background, karyotype, etc. E) All of these are desirable characteristics
Which of the following statements best describes how plants use hormones during signal transduction?
A. The hormone will bind to a specific receptor in the plasma membrane. It will then trigger a series of relay proteins that alter the signal into one that will impact the cellular machinery. Once the machinery is altered a change in gene expression will occur causing a change in the physical expression of the plant. B. The hormone will bind to a specific receptor in the plasma membrane. It will then trigger a series of relay proteins that alter the signal into one that will impact the cellular machinery. Once the machinery is altered a change in the physical expression will occur causing a change in the actual genes of the plant. C. The hormone will trigger a series of relay proteins to alter the signal into one that will impact the cellular machinery. Once the signal is changed the hormone will bind to a specific receptor in the plasma membrane. It will then cause a change in gene expression to occur causing a change in the physical expression of the plant. D. None of these describes how plants use hormones during signal transduction.