What is the major lipid found in membranes?

A. steroids
B. cholesterol
C. triglycerides
D. phospholipids
E. saturated fatty acids


D. phospholipids

Biology & Microbiology

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Each cell is able to maintain an internal environment within a range that favors survival. This condition is called ___________.

A. metabolism B. homeostasis C. physiology D. adaptation E. evolution

Biology & Microbiology

What key words does the question contain and what do they mean?

What will be an ideal response?

Biology & Microbiology

An incomplete digestive system is seen in:

a. flatworms only b. cnidarians only c. both roundworms and annelids d. both cnidarians and flatworms e. mollusks

Biology & Microbiology

Cystic fibrosis is a recessive disorder. If a couple, each of whom is heterozygous for the CFTR mutation, have

children, what is the probability that they will have a child with cystic fibrosis?

a. 0% b. 25% c. 50% d. 75% e. 100%

Biology & Microbiology