__________ are chemical signals that influence physiology and development

A. Genes
B. Hormones
C. Meristems
D. Lipids
E. Mitochondria


B

Biology & Microbiology

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Which of the following is a common energy currency in living cells that powers most living organisms?

A. Heat B. Sunlight C. ATP D. Phosphate

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The major histocompatibility complex is important in a T-cell's ability to:  

A.  recognize specific parasites. B.  recognize specific bacteria. C.  recognize specific viruses. D.  recognize self from nonself.

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Stramenopiles include all of the following EXCEPT

a. Rhodophyta. b. Chrysophyta. c. Phaeophyta. d. Bacillariophyta. e. Oomycota.

Biology & Microbiology

A codon of mRNA consists of three bases that code for an amino acid

Indicate whether the statement is true or false

Biology & Microbiology