A ?-pleated sheet is a type of
A) primary structure found in a protein.
B) secondary structure found in a protein.
C) tertiary structure found in a protein.
D) quaternary structure found in a protein.
E) heme structure found in a protein.
B
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Ideally, what should an experiment studying the effect of a cold medicine have?
A) no control group B) double-blind procedures C) a small sample size D) subjects of only one gender
A gardener in Canada wants to surprise his mother on her birthday and make her favorite hibiscus bush flower in May instead of at the end of June. The bush is growing in the greenhouse
Which of the following might make the hibiscus bush flower early? A) grafting leaves of a hibiscus that was exposed to long night B) grafting leaves of a hibiscus that was exposed to short night C) exposing flower buds of the hibiscus bush to long nights D) exposing flower buds of the hibiscus bush to short nights
Production of eggs in females by the process of meiosis and maturation.
What will be an ideal response?
In both plant and animal cells , the membrane
a. produces enzymes b. controls reproduction c. is composed of sugars d. regulates diffusion