Which of the following structures is NOT possessed by spiders?

A. cephalothorax
B. pedicel
C. pedipalps
D. spinnerets
E. antennae


E. antennae

Biology & Microbiology

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You work for a pharmaceutical company that designs small RNAs, used to control expression of disease genes . The primary focus area of your research should be  

A.  transcriptional repression. B.  transcriptional activation. C.  translational repression. D.  translational activation. 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 small RNAs? 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?

Biology & Microbiology

Euglenoids

a. reproduce faster than their chloroplasts, so that colorless euglenoids result. b. may become a serious parasitic infection in some small children. c. that are photosynthetic have a unique eyespot. d. reproduce by conjugation. e. are parasitic on plant and animal hosts.

Biology & Microbiology

A long established population that has had no new individuals entering the population would be

considered to be in: a. genetic stasis. b. genetic equilibrium. c. population stability. d. allelic disequilibrium e. allele balance.

Biology & Microbiology

Hemostasis is the ability to maintain the optimal internal environment for human biological functions

a. true b. false

Biology & Microbiology