Which four elements make up 96 percent of matter found in living organisms?

A) sulfur, hydrogen, oxygen, nitrogen
B) carbon, sulfur, nitrogen, iron
C) hydrogen, carbon, oxygen, nitrogen
D) hydrogen, carbon, oxygen, sulfur


C) hydrogen, carbon, oxygen, nitrogen

Biology & Microbiology

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Which would most likely pass unaided through a plasma membrane?

A. Something small and polar, such as a water molecule B. Something small and nonpolar, such as nitrogen gas C. Something large, such as a glucose molecule D. Something small and charged, such as an ion

Biology & Microbiology

The chemical __________ enters the mitochondria

to continue respiration. a. phosphoglyceraldehyde (PGAL) b. oxaloacetate c. phosphoglycerate (PGA) d. pyruvate e. citrate

Biology & Microbiology

Which of the following were cited by college students in a national survey as major impediments to performing well academically?

A. Pressure from parents and family members
B. Stress, anxiety, and sleep difficulties
C. Repeated strep infections
D. Carrying a too-heavy course load

Biology & Microbiology

A metabolic disorder characterized by high blood glucose levels is known as:

What will be an ideal response?

Biology & Microbiology