Gene expression leads to the production of which of the following?

a. RNA and protein
b. DNA and RNA
c. polypeptides and amino acids
d. protein and polypeptides


a. RNA and protein

Biology & Microbiology

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RNAi probably evolved as a mechanism to:

A. aid molecular biologists to experimentally knockdown gene expression. B. catalyze RNA-dependent DNA synthesis. C. suppress infection by RNA viruses. D. generate cell-specificity for certain mRNAs.

Biology & Microbiology

The equilibrium constant for complex formation between molecules A and B will depend on their relative concentrations, as well as the rates at which the molecules associate and dissociate

The association rate will be larger than the dissociation rate when complex formation is favorable. The energy that drives this process is referred to as ___________. (a) dissociation energy. (b) association energy. (c) binding energy. (d) releasing energy.

Biology & Microbiology

Which of the following is not a char of all living organisms?

a. response to stimuli b. adaptation c. sexual reproduction d. regulation of internal environment e. acquisition of energy

Biology & Microbiology

Which of these is not an adaptation for flight found in most modern day birds?

1.feathers 2.high metabolic rate 3.no urinary bladder 4.three-chambered heart

Biology & Microbiology