Which of the following is within the size range of a typical prokaryote?
A) A cell the size of the period at the end of a sentence
B) A cell 2 micrometers in diameter
C) A cell 700 micrometers long
D) A cell 25 micrometers in diameter
E) A cell 100 micrometers in diameter
B
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If a scientist is conducting a study of how an animal's senses provide a physiological basis for a particular behavior, what type of causation is she exploring?
A. ultimate causation B. proximate causation C. stereotyped causation D. ethnological causation E. fixed action pattern causation
During the oxidation of glucose via aerobic respiration, FADH and NADH reoxidation______
A. Occurs during Krebs cycle B. is not needed C. uses a membrane-bound electron transport chain D. is coupled to substrate level phosphorylation E. None of the above
Match the letter of each example from childbirth to the appropriate component of a positive feedback loop.A. pituitary gland secretes oxytocin, which acts on the uterusB. uterine contractions increaseC. fetus is pushed against uterine openingD. receptors detect stretchE. brain receives and compares stretch informationEffector
What will be an ideal response?
Which of the following states (in modern terms) that a diploid cell has two alleles of every gene-one on each homologous chromosome-that are distributed into separate gametes during meiosis?
A. Law of segregation B. Monohybrid cross C. Law of independent assortment D. Testcross E. Allelic inheritance