Bicarbonate that neutralizes stomach acid is produced by the  

A.  duodenum.
B.  small intestine.
C.  pancreas.
D.  large intestine.
E.  liver.


C.  pancreas.

Biology & Microbiology

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Protein folding is critical to protein function. What are the protein helpers that guide the process of protein folding?

a. supervisors b. guidepost proteins c. chaperones d. deamination proteins

Biology & Microbiology

What is a RefSeq?

A) A RefSeq is a single, complete, annotated version of a species' genomic DNA sequence that can be accessed for bioinformatic studies. B) A RefSeq is a constantly updated collection of DNA sequences from all species that give the latest information for bioinformatic studies. C) A RefSeq is a program to compare genome sequences. D) A RefSeq is a program that identifies open reading frames.

Biology & Microbiology

Human birth weight is a classic example of the results of

a) disruptive selection b) directional selection c) stabilizing selection d) genetic drift e) genotype by environment interaction

Biology & Microbiology

Anaerobic mammals:

a. lack mitochondria. b. have mitochondria and undergo respiration in the same manner as fungi. c. do not exist. d. keep their respiratory enzymes in their nucleus. e. Both a) and b) are correct.

Biology & Microbiology