Cells and Transport Review

Which of the following is the most similar characteristic of the nerve and skin cells?

• The have the same genetic material in them

• They release the same amount of energy

• All cells have cell walls

• Type of proteins they synthesize

Which of the following is NOT true regarding cells?

• All cells have genetic material

• All cells have plasma membranes

• All cells have membrane bound organelles

• All cells can divide to form new cells

Which statement is part of the cell theory?

• Cells require oxygen for metabolism

• Cells come from preexisting cells

• Cells are microscopic

• Cells have definite boundaries

If mitochondria are removed from a typical animal cell, what would be immediately affected?

• Energy released

• Oxygen released

• Nuclei

• Ribosome size

In single-celled organisms, where are materials primarily stored?

• Nuclei

• Mitochondria

• Vacuoles

• Ribosomes

What is the major component of plasma membranes?

• Proteins

• Nucleotides

• Carbohydrates

• Lipids

According to the cell theory, what is the main statement?

• Organisms that lack certain organelles reproduce by binary fission

• All cells have nuclei that contain genetic information

• Living organisms are composed of cells that arise from preexisting cells

• All cells regenerate and contain the same basic structures

Which structures are most directly involved in the synthesis of proteins?

• Nucleus and ribosomes

• Cell membrane and nucleus

• Chloroplasts and cell membrane

• Mitochondria and chloroplasts

Which cell structure is represented by the three-dimensional diagram?

• Replicated chromosome

• Plasma membrane

• Chloroplast

• Mitochondrion

Which characteristic is common to both diffusion and active transport?

• Enzymes are required

• The movement of molecules occurs

• ATP is needed

• Oxygen is moved across a membrane