The following are all main points of the article Seaweeds and Medicine, except:
a. Seaweeds have been used for thousands of years for therapeutic purposes.
b. Vitamin C, iodine, and agar are substances found in seaweeds.
c. Phycocolloids are used in the pharmaceutical and biomedical industries.
d. It is extremely expensive to extract useful substances from seaweeds.
D
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The benefits to an animal of defending a territory may include
A. food. B. sheltered nesting sites. C. mates. D. Answers A, B and C are correct. E. None of these answers are correct.
Fossils currently exist for about how many species?
a. 1,000 b. 10,000 c. 100,000 d. 250,000 e. 500,000
Expression of a(n) ________ alters gene transcription in E. coli by activating transcription of specialized heat stress response genes
Fill in the blank(s) with correct word
The enzyme that HIV uses to convert its RNA into DNA is
reverse transcriptase. DNA polymerase. RNA polymerase. RNA integrase. translase.