Which component is NOT found in a chloroplast?
a. a single outer membrane
b. DNA
c. ribosomes
d. stroma
e. thylakoids
ANSWER: a
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Which of the following statements is true in eukaryotic cells?
A. Transcription occurs in the cytoplasm, and translation occurs in the nucleus. B. Transcription and translation both occur in the nucleus. C. Transcription occurs in the nucleus, and translation occurs in the cytoplasm. D. Transcription and translation both occur in the cytoplasm.
The number of ATP molecules generated per atom of oxygen that is reduced when electrons are passed from NADH or reduced FAD (FADH) to O2 is called the
A. P/O ratio. B. phosphorylation coefficient. C. utilization ratio. D. energy yield.
Which recent technology has allowed women the option of reproducing later in life, either by choice or because of a
medical condition that may prevent them from conceiving later?
a. artificial insemination b. asexual fertilization c. surrogate transfer d. egg freezing and banking e. fertility drugs
Land next to the sea has more variable climate than land farther from the sea.
Answer the following statement true (T) or false (F)