What is the overall charge on the cytoplamsic side of a plant cell plasma membrane?

A) positive
B) negative
C) neutral


B

Biology & Microbiology

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Transcriptional control-proteins increase the rate of transcription by binding to 

A. mRNA sequences within the DNA. B. tRNA sequences within the DNA. C. operator sequences within the DNA. D. promoter sequences within the DNA. E. enhancer sequences within the DNA.

Biology & Microbiology

The fruit wall, or pericarp, develops from the

a. ovary wall. b. petals. c. seed coat. d. endosperm. e. receptacle.

Biology & Microbiology

Which of the following characteristics are representative of the bacterium Listeria? (Check all that apply.)

A. Listeria has a catalase enzyme. B. Listeria is a facultative anaerobe. C. Listeria is nonmotile.  D. Listeria is a Gram-positive rod.

Biology & Microbiology

A trichome is a bacterial cell with three different photosynthetic pigments.

Answer the following statement true (T) or false (F)

Biology & Microbiology