Which of the following is not an essential component of the eukaryotic initiation stage of translation?
A. 40S ribosome
B. eIF2
C. GTP
D. N-formylmethionyl-tRNAfMet
D
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In 95% of cases of Down's syndrome, there is one extra chromosome (number 21) in every cell. This aneuploid condition is most likely the result of
A. failure to suppress DNA replication between meiosis I and meiosis II. B. failure of the chromosomes to assort independently during meiosis. C. failure of 1 homologous pair to segregate during meiosis. D. failure of 2 homologous pairs to segregate during meiosis. E. failure of the cytoplasm to divide at the end of meiosis II. 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 know about meiosis? How does it relate to the question? Consider Possibilities · What other information is related to the question? Which information is most useful? 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?
A change in the sequence of a gene is referred to as a(n) ____
Answer for this statement please? Thank you.
The shape of a particular cell is often determined by its __________
a. cytoskeleton b. plasma membrane c. cytoplasm d. nucleus
Which of the following statements is not true concerning spinal nerves?
A. Spinal nerves are considered part of the CNS. B. The dorsal and ventral roots join before the spinal nerve leaves the vertebral canal. C. The spinal nerves project from the cord through intervertebral foramina. D. The dorsal root contains sensory fibers entering the gray matter. E. The ventral root contains motor fibers exiting the gray matter.