A thin layer of protein, within epithelial tissue, that anchors the epithelium to the extracellular matrix is the
A. basement membrane.
B. compact bone.
C. hyaline cartilage.
D. plasma membrane.
E. neuroglia.
Answer: A
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What accounts for the ability of vesicles to fuse with different membrane compartments in the cell?
A. the cell's cytoskeleton B. the fluid nature of the phospholipid bilayer C. peripheral membrane proteins D. transport proteins
Which of the following statements is true regarding angiosperms? Select all correct choices
A. They have higher rates of photosynthesis compared to other plants. B. They have the capacity to transport more water compared to other plants. C. They can take in more CO2 compared to other plants. D. They have lower rates of photosynthesis compared to other plants. E. They can take in less CO2 compared to other plants.
What is true of the fossil record of mammalian origins?
A) It shows that mammals and birds evolved from the same kind of dinosaur. B) It includes transitional forms with progressively specialized teeth. C) It indicates that mammals and dinosaurs did not overlap in geologic time. D) It includes a series that shows the gradual change of scales into fur.
Sodium and potassium ions cross the neuron's membrane to cause which of the following processes?
A) refractory period B) transmission C) action potential D) passive transport