Sympatric speciation often occurs in animals through polyploidy

Indicate whether the statement is true or false.


ANS: F, plants

Biology & Microbiology

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If a person is highly alert, anxious, and has loss of fine motor control, which psychoactive drug have they most likely

taken?

a. a narcotic analgesic b. a stimulant c. a depressant d. a hallucinogen e. an endorphin

Biology & Microbiology

Monomeric G proteins, such as Ras and several elongation factors, are usually in the active state when a molecule of _______ is bound to them.

a. GDP b. GTP c. ADP d. ATP

Biology & Microbiology

Select all of the endocrine glands that secrete lipid-soluble hormones.

Biology & Microbiology

Which statement concerning reproduction is FALSE?

(a). Hereditary information is passed on to the next generation. (b). Hereditary information is in the form of genes. (c). The offspring of asexual organisms have the same genes as the single parent. (d). The offspring of sexual organisms have roughly one half of the genes from each parent. (e). The offspring of multicellular organisms tend to be identical to the parent.

Biology & Microbiology