Which of the following statements is true of protein hormones?
a. They can pass through the cell membrane.
b. They can be taken orally.
c. They can be absorbed across the small intestine.
Answer: c. They can be absorbed across the small intestine.
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The first haploid cell in the life cycle of a plant is the:
a. zygote b. gamete c. gametophyte plant d. spore e. spore mother cell
Which muscle is involved in shrugging your shoulders?
a. serratus anterior b. external oblique c. rectus abdominis d. latissimus dorsi e. trapezius
Caspases are produced as inactive precursors known as ________
Fill in the blank with correct word.
The chloroplasts of modern plants are thought to have been derived according to which sequence?
A) cyanobacteria ? green algae ? green plants B) cyanobacteria ? green algae ? fungi ? green plants C) red algae ? brown algae ? green algae ? green plants D) red algae ? cyanobacteria ? green plants E) cyanobacteria ? red algae ? green algae ? green plants