Which of the following statements is part of the cell theory?

All cells come from pre-existing cells.

All living things are made up of one or more cells.

Cells are the basic units of living things.

all of these

Which of these components of a cell functions like the bones and muscles in the human body

Which of the following describes an in vivo experiment? A. observations are made in a buffered solution. B. Observations are made in Petri dish. C. Observations are made in a living mouse. D. Observations are made in a test tube.

why is the modification or change in an organ or tissue during the lifetime of an individual is not inherited?

Which is the most accurate description of an ecosystem

Which phrase best describes a biogeochemical cycle? A.) The movement of a chemical substance through Earth's bodies of water. B.) The movement of chemical substance between the solid, liquid, and gaseous states of matter. C.

Landscapes will undergo the most chemical weathering if the climate is * A) cool and wet B) warm and wet C) cool and dry D) warm and dry

Why are sharks so successful at what they do?

The nucleus of an atom is comprised of

When the double stranded DNA helix is unwound, two single strands of DNA are formed. These strands have to be stabilized because their hydrophobic bases are exposed to water. The proteins that stabilize the two single strands are called

If the fatty acid has two or more double bonds, they are always spaced at three carbon intervals ... explain.