You planted a seed in a pot with soil, add water, and then placed it in the sunlight in a closed chamber. After the seedling emerged, complete with two green leaves, the carbon dioxide levels decreased in the closed chamber. This indicated that was occurring.
A. alcohol fermentation
B. photosynthesis
C. cellular respiration
D. sucrose production
E. fertilization
B. photosynthesis
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In the above figure, which letter points to the testis?
A) A B) B C) C D) D E) E
Benign Vibrio cholerae becomes pathogenic by all of the following steps except
A. a bacteriophage introduces a gene coding for the cholera toxin. B. the cholera toxin gene is incorporated into the benign Vibrio cholerae chromosome. C. the benign host is transformed into a disease-causing agent by the toxin. D. the cholera toxin gene is translated. E. a bacteriophage binds only to benign Vibrio cholerae without pili.
What are the two major components of cell membranes?
A. glycolipids and phospholipids B. cholesterol and proteins C. phospholipids and carbohydrates D. phospholipids and cholesterol E. phospholipids and proteins
In Georgia, what important disease is transmitted by thrips?
a. Tomato spotted wilt virus b. Cotton boll virus c. Peach mottle d. All of the above