Which is true regarding somites in an embryo?
A) Somites are found inside the notochord. B) Somites will become vertebrae.
C) Somites will form the skull. D) Somites will form the lungs.
Answer: B
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Which climograph shows the climate for location 5?
A) A B) C C) D D) E E) H
What process best characterizes Ca2+ movement from the cytosol (low Ca2+ concentration) into the endoplasmic reticulum (high Ca2+ concentration)?
A. Calcium movement is spontaneous. B. Calcium movement involves active transport. C. Calcium movement occurs by facilitated diffusion using a transporter protein. D. Calcium movement does not require energy. E. Calcium movement occurs by passive diffusion.
Phospholipids created in a laboratory can self-assemble into bilayers
Indicate whether the statement is true or false.
Sequences of DNA that are identical when read from the 5' to 3' direction on one strand and the 3' to 5' direction on the other strand are
A. restriction endonucleases. B. DNA polymerases. C. ligases. D. reverse transcriptases. E. palindromes.