In the citric acid cycle, malate is oxidized to form

A. malate.
B. fumarate.
C. citrate.
D. succinate.
E. oxaloacetate.


E. oxaloacetate.

Biology & Microbiology

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If there are 32 sister chromatids in a normal somatic cell, what is the haploid number for that cell?  

A.  8 B.  16 C.  32 D.  64 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 sister chromatids? 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?

Biology & Microbiology

When lactose is present in the medium, RNA polymerase will bind to the ____ of the E. coli lac operon

a. lacI gene b. operator c. promoter d. transcription initiation site e. first codon of the lacZ gene

Biology & Microbiology

All organisms with circulatory systems have a heart

Indicate whether the statement is true or false.

Biology & Microbiology

All food chains begin with a photosynthetic producer.

Answer the following statement true (T) or false (F)

Biology & Microbiology