Which type of transcription are the proteins called transcription factors involved in?
a. elongation
b. initiation
c. termination
d. stabilization
Answer: b. initiation
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Which organelle's membrane contains the enzymes that convert light energy to chemical energy in eukaryotes?
a. plasma b. chloroplast c. Golgi complex d. lysosome e. endoplasmic reticulum
Which blood component determines plasma fluid volume?
a. salts b. cells c. albumin d. hemoglobin e. cell fragments
Diagram the evolutionary relationships between Neanderthals and chimpanzees based on genomic data. What will be an ideal response?
A phenol red glucose broth with a Durham tube has been inoculated and incubated. After 48 hours, the broth is turbid and bright yellow and approximately half of the contents of the Durham tube contains bubbles. Interpret these results.
a. The organism will ferment lactose as well. b. The organism is fermenting glucose. c. The organism is an obligate anaerobe. d. The organism is fermenting lactose and producing ethanol and CO2.