Cellular respiration process is absolutely dependent upon a supply of NADH?

a. glycolysis
b. the electron transfer system
c. pyruvate oxidation
d. the citric acid cycle


Answer: b. the electron transfer system

Biology & Microbiology

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Which egg is isotonic to the solution?  

  Three (3) eggs are boiled and all weigh 2g. The eggs are placed in a 15% solution of NaCl and reweighed after 30 minutes.


A.  Egg 1
B.  Egg 2
C.  Egg 3

Clarify Question
· What is the key concept addressed by the question?
· What type of thinking is required?

Gather Content
· What do you know about osmosis? What other information is related to the question?   

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

In 1928, Frederick Griffith's experiments with Streptococcus pneumoniae suggested that

A) bacteria do not incorporate the DNA of other bacteria. B) attenuated R (rough) bacteria easily revert to the wild type (virulent). C) DNA was conclusively the molecule of heredity. D) heat-killed bacteria could somehow "transform" live bacteria. E) all of the above

Biology & Microbiology

Characterize the structure and function of antigens

What will be an ideal response?

Biology & Microbiology

Which of the following human syndromes is a monosomy?

a. Turner syndrome b. Klinefelter syndrome c. Down syndrome d. Barr body syndrome

Biology & Microbiology