Which of the following groups of molecules commonly serve as sources of energy for animals?
A. proteins, lipids, and carbohydrates
B. proteins and carbohydrates
C. carbohydrates and lipids
D. proteins and lipids
E. carbohydrates, nucleic acids, and lipids
A
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If a DNA template strand has a sequence of 3? TACAATGTAGCC 5?, then the RNA produced from it will be which sequence?
A. 3?TACAATGTAGCC5? B. 5?ATGTTACATCGG3? C. 5?AUGUUACAUCGG3' D. 3?AUGUUACAUCGG5? E. 3?ATGTTACATCGG5?
If an organism has the same life strategy as a maple tree, the synaptonemal complex will be observed ____
a. only in alternating generations b. in each generation c. only in a unicellular haploid phase d. only in a multicellular haploid phase e. only in gametophytes
Which of the following proteins requires GTP in the process of LDL receptor-mediated endocytosis?
A) LDL receptor B) dynamin C) AP-2 complex D) uncoating enzyme E) clathrin
You discover a new organism while on vacation in Yellowstone Park. You use a series of experiments to establish that it carries out aerobic respiration, but find that it has a unique ATP synthase that requires 16 protons per rotation. What does this tell you about the P/O ratio in this organism?
A. The new organism only makes ATP by substrate-level phosphorylation. B. The P/O ratio in the new organism is higher than your P/O ratio. C. The P/O ratio in the new organism is lower than your P/O ratio. D. The P/O ratio in the new organism is the same as your P/O ratio.