Nutrients can be concentrated from dilute solutions by ________.
A. electron transport
B. pinocytosis
C. endocytosis
D. active transport and group translocation
Answer: D
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Eukaryotes that can be used in molecular studies include:
a. Arabidopsis b. Saccharomyces c. Drosophila d. Neurospora e. all of these
Recent research has indicated that for human ______ vocal pitch changes may be associated with a
state of fertility.
a. males b. females c. males and females d. females during menstrual cycle e. males during puberty
The theory that early metabolic reactions occurred in rocks near hydrothermal vents is known as the _____hypothesis
a. RNA world b. endosymbiont c. iron-sulfur world d. vital force e. lightening fueled
Alison was looking at a tissue under a microscope. It had cells within lacunae, and the matrix was glassy-looking. What type of tissue was she looking at?
A. adipose B. areolar C. bone D. blood E. cartilage