Mercury in mercurochrome inhibits growth
A. through competitive inhibition.
B. through a reversible action.
C. by oxidizing the sulfhydryl groups in cysteine.
D. by changing the shape of proteins.
E. by oxidizing the sulfhydryl groups in cysteine AND by changing the shape of proteins.
E
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This phylum of vascular, seed-bearing plants has about 550 known living species, the most among
gymnosperms. Many of them have needlelike leaves with thick cuticles and sunken stomata, and are thus adapted to dry conditions.
a. Cycadophyta b. Anthophyta c. Gnetophyta d. Coniferophyta e. Ginkgophyta
Two major functions of proteins in the biological membranes are____ and ____
Fill in the blank(s) with the appropriate word(s).
Peer review is essential to the scientific process because
A) several experts in the field are able to scrutinize a finding before it can be published. B) the process immediately validates any hypotheses tested in the experiments. C) the process can lead to improvements in articles prior to being published. D) it is the primary means for informing the general public about new information in the field. E) it tests hypotheses proposed by other investigators.
If not treated, which sexually transmitted disease can lead to blindness, heart disease, and mental deficiency?
A. chlamydia B. gonorrhea C. syphilis D. genital herpes