The process by which cells break down nutrients to produce ATP is known as ____
a. anabolism
b. dehydration synthesis
c. glycolysis
d. cellular respiration
e. ATP activation
ANSWER: d
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The concept of ____, the view that slow and continuous physical processes, acting over long periods of time,produced
Earth’s major geological features, was proposed by ____.
a. gradualism; James Hutton b. natural selection; Charles Darwin c. catastrophism; Georges Cuvier d. natural theology; Nicolaus Copernicus e. uniformitarianism; Thomas Huxley
Bob dreamt he was biking for five hours. The actual time he was in ____ sleep was about ____ min
a. beta; 15?20 b. EEG; 10?15 c. REM; 60?90 d. REM; 10?15 e. EEG; 90
Imagine that you are a detective who has identified a potential suspect in a homicide. You acquire a small amount of blood from the crime scene and hand it over to your lab. The lab carries out PCR for one polymorphism, and it returns as a match to your suspect. Is this enough to arrest your suspect?
A. Yes, these data definitively prove that your suspect was at the crime scene. B. Yes, the chance that your suspect will have the same polymorphism as a drop of blood from a random individual is about 1 in 50,000?this is enough to arrest the suspect. C. No, your lab should assess additional polymorphisms?a single polymorphism does not constitute a genetic fingerprint. D. No, the small amount of blood you acquired from the crime scene will not provide enough genetic material for PCR to be carried out efficiently?more than a single drop of blood is needed to provide enough raw material for analysis.
Which of the following represents a potential threat to biodiversity?
(a). People construct artificial reefs to support marine life. (b). Humans clear land for agriculture and housing. (c). Energy flows through an ecosystem, with much lost as heat. (d). Tropical rain forests and coral reefs are found where solar energy is the most abundant. (e). In a food chain, one population feeds on another.