Biology Quiz Final Part 2

A(n) ____________ bond forms when electrons are shared between atoms.

• covalent

• ionic

• hydrogen

• oxygen

The diffusion of glucose across the membrane is known as ______________________.

• active transport

• osmosis

• facilitative diffusion

• osmotic transport

________________ are hollow tubes of protein about 25 nanometers in diameter.

• Microtubules

• Cytoplasm

• Genes

• DNA

The _____________, a large structure that contains the cell's genetic material and controls the cell's activities.

• nucleus

• DNA

• genes

• RNA

The center of the atom.

• nucleus

• centriole

• epidermis

• nuclear membrane

The information gathered from observations is called evidence, or ___________.

• statistics

• data

• analysis

• raw info

___________________ is the process of taking material into the cell by means of infoldings, or pockets, of the cell membrane.

• Osmosis

• Diffusion

• Phagocytosis

• Endocytosis

The ________________ contains many important structures such as organelles.

• nucleus

• vacuole

• lysosomes

• cytoplasm

__________ are the basic units of all forms of life.

• Atoms

• Cells

• Energy

• Organelles

___________________ are long, thin fibers that function in the movement and support of the cell.

• Microtubules

• Microfilaments

• Cytoplasm

• DNA