A pinniped is observed as lacking external ears, and it appears to propel through the water using its hind flippers only. What kind of pinniped might this be?
a. Phocids
b. Sirenia
c. Eared seals
d. Walruses
a
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You are studying the response of macrophages infected with the intracellular bacterium Brucella, specifically by examining which gene products are being expressed. You would be studying the macrophage ________ to obtain this information.
A) proteome B) genome C) transciptome D) amplicon E) metabolome
What is the role of nonhistone proteins in the nucleus?
a. to regulate nuclear envelope formation b. to facilitate nuclear transportation c. to provide additional chromosomal structure d. to disassemble the nuclear envelope e. to aid in microtubule formation during mitosis
You are working in a research lab on the organism Drosophila melanogaster and you have been given the job of
determining the relative positions of three linked genes for your undergraduate research project. A graduate student in the lab tells you that gene a is 5.0 centimorgans from gene b, and that gene c is 2.7 centimorgans from gene b. What should you do to finish mapping these three genes? What are the likely results that may occur, and how would you interpret such results?
What will be an ideal response?In indirect development, the embryo hatches into a sexually immature stage called a larva
Indicate whether the statement is true or false