Some amoebae have a covering over their plasma membrane. These amoebae are referred to as ________ amoebae.
Fill in the blank(s) with the appropriate word(s).
testate
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Which of the following is likely to occur if you were to prevent cyclin B from associating with its cyclin-dependent kinase near the end of meiosis I?
A. failure to maintain sister chromatid cohesion at the centromere B. failure to form initiation complexes necessary for DNA replication to proceed C. suppression of DNA replication D. activation of DNA replication 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 cyclins and cell check points? 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?
The transfer of vancomycin resistance from Enterococcus faecalis to Staphylococcus aureus is thought to have involved
A. conjugation. B. transformation. C. transduction. D. transposons. E. conjugation AND transposons.
Jacob, Monod, and Pardee constructed a mutant strain of E. coli that carried a lacI-gene mutation (encodes the lac repressor). Which is TRUE of this mutant strain?
A. Transcription of the lac operon is repressed. B. Transcription of the lac operon does not change. C. The lac operon is constitutively expressed. D. Nonfunctional proteins are produced. E. The lac operon is constitutively expressed and nonfunctional proteins are produced.
In the digestive system, peristalsis is _____
A) a process of fat emulsification in the small intestine B) voluntary control of the rectal sphincters regulating defecation C) the transport of nutrients to the liver through the hepatic portal vessel D) smooth muscle contractions that move food along the esophagus