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Correct Answer: B) Bone marrow and human embryos.
Correct Answer: D) Within the cytoplasm.
Correct Answer: A) Cilia.
Correct Answer: D) Size and solubility.
Correct Answer: B) Bacteria.
Correct Answer: D) None of these.
Correct Answer: D) DNA.
Correct Answer: A) 100 micron.
Correct Answer: C) Microscope.
Correct Answer: A) Osmosis.
Correct Answer: D) Mammalia.
Correct Answer: C) Viruses.
Correct Answer: D) Nucleus.
Correct Answer: A) Sex.
Correct Answer: C) Mitochondria contain their own DNA and ribosomes.
Correct Answer: A) Use enzymes to break down proteins.
Correct Answer: A) Concentrate gradient.
Correct Answer: C) Control what enters and leaves the cell.
Correct Answer: A) A membrane-spanning protein.
Correct Answer: B) Living cells.
Correct Answer: A) Higher; shrink.
Correct Answer: A) Cytoplasm.
Correct Answer: C) Smooth endoplasmic reticulum.
Correct Answer: C) Cytoplasm.
Correct Answer: B) Chloroplasts.