Which of these is a type of posttranscriptional regulation of gene expression?

A) inactivation of tRNA
B) alteration of DNA nucleotide sequences
C) breakdown of proteins
D) binding of transcription factors to enhancers


C

Biology & Microbiology

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The net result of glycolysis is

a. 2 NADH, 2 ATP, and 2 pyruvates b. 8 NADH, 2 ATP, and 6 carbon dioxides c. 36 ATP d. 2 NADH, 4 ATP, and 2 pyruvates e. 2 NADH, 2 ATP, and 2 acetyl-CoAs

Biology & Microbiology

The area labeled “A” is

a. a nucleus. b. chromatin. c. endoplasmic reticulum. d. a vacuole. e. a nucleolus.

Biology & Microbiology

Particles of ________ control the water-holding capacity of soil and ion exchange

Fill in the blank(s) with correct word

Biology & Microbiology

The evolution of aquatic vertebrates that could live on land likely involved an intermediate species that

A) could fly. B) had a single lung. C) had a tracheal system of branching internal tubes. D) had both gills and lungs.

Biology & Microbiology