The structure in the figure above represents a molecule of ____

a. pre-mRNA
b. tRNA
c. snRNA
d. mRNA
e. rRNA


ANSWER: b

Biology & Microbiology

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Given the sentence "THE FAT CAT ATE THE RED RAT," which of the following would represent a frameshift mutation?  

A.  THE FAT RAT ATE THE RED CAT B.  THE CAT ATE THE RED RAT C.  THE FAC ATA TET HER EDR AT D.  THE FAT CAT ATE THE RED RAT 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 frameshift mutations? 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?

Biology & Microbiology

What would be an easy way to determine if a skull is a mammal's skull? 

A. Look for air sacs in the skull. B. Examine the teeth. C. Look for the remains of the tympanum. D. Measure the brain case volume.

Biology & Microbiology

Where does the majority of photosynthesis take place in horsetails (shown in this photograph)?


a. the whorled branches
b. the needle-shaped leaves
c. the green stem
d. the nodes or joints

Biology & Microbiology

A pair of chromosomes that contain alleles for the same genes at the same locations are 

A. haploid. B. homologous. C. homozygous. D. synapsed.

Biology & Microbiology