Lysosomal proteins are initially incorporated into _______ vesicles.

a. uncoated
b. clathrin-coated
c. COPI-coated
d. COPII-coated


Ans: b. clathrin-coated

Biology & Microbiology

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You created a worm that expresses a human Bcl-2 transgene, and you are crossing the transgene into a homozygous ced-9 mutant background. However, you inadvertantly used a clone of Bcl-2 with a mutation in the BH domain, which is essential for function.  What results do you expect for the ced-9 mutants with the mutant Bcl-2 transgene?  

A.  131 cells will die. B.  All 1090 cells will die. C.  All 1090 cells will live. D.  959 cells will die. 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 the apoptosis pathway?   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

Which disorder is caused by a bacterial infection resulting in lung edema that makes it difficult to breathe?

a. pneumonia b. influenza c. tuberculosis d. lung cancer e. emphysema

Biology & Microbiology

Plants growing in shade have a higher rate of leaf respiration than plants growing in sunlight

Indicate whether the statement is true or false

Biology & Microbiology

The following classes or superclasses of fish are matched with an example. Select the mismatched pair.

A. Osteichthyes-bony fish B. Placodermi-lobe-finned fish C. Myxini-hagfish D. Chondrichthyes-sharks

Biology & Microbiology