In mammals, the master clock is located in the:a
pineal gland.
b. suprachiasmatic nucleus.
c. crepuscular gland.
d. biological clock.
e. pituitary gland.
b
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Recent research has suggested that some pseudogenes and non-protein-coding DNA code for RNAs that affect transcription of coding regions. This suggests that
A. pseudogenes code for proteins. B. non-protein-coding DNA has no function. C. non-protein-coding DNA may regulate gene expression. D. pseudogenes have no function. 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 non-protein-coding DNA? 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?
Anticodons pair with
a. codons on DNA b. codons on mRNA. c. codons on tRNA d. codons on rRNA e. messenger RNA and ribosomal RNA.
Which respiratory disease is caused by a bacterial infection?
A. the common cold B. asthma C. lung cancer D. tuberculosis E. cystic fibrosis
Which group includes organisms that are unicellular, have two flagella and contain chlorophyll a & c?
A. foraminifera B. dinoflagellates C. euglenoids D. choanoflagellates