A cell or organism in which all copies of the cytoplasmic organelle gene are the same is said to be __________
A) homozygous
B) heteroplasmic
C) homoplasmic
D) variegated
E) uniparental
C
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What would happen if snRNPs did not recognize the branch point within an intron?
A. A lariat would not form. B. snRNPs would not base-pair with the 5' end of the intron. C. A 3' poly A tail would not be added to the transcript. D. A 5' cap would not be added to the transcript. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you already know about splicing? Consider Possibilities · Consider the different answer options. Which can you rule out? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Birds are able to maintain relatively constant body temperature regardless of external temperature. Therefore, birds are
a. homeopathic. b. homeothermic. c. ecdysozoans. d. apodans. e. amniotes.
Eukaryotic cilia and flagella:
A) may also act as receptors for hormones. B) are both involved in sweeping the lungs clean of foreign matter. C) occur in large numbers on the surface of the cell. D) are only found in single-celled organisms. E) both have microtubules forming their underlying structure.
Although the authors disagree completely on the use of GE crops, there are one or two points of view they share. Review the statements below and select one that represents a shared view.
a. Globally there is enough food available for all humans. b. Plant biotechnology is the best approach for conserving natural resources. c. People in some parts of the world will need more food. d. Agro-chemicals are a safe way to increase crop yields.