cells

The __________ is a part of the cell made up of cellular carbohydrates.

cell wall

Cell surface membrane is also known as __________.

plasma membrane

The __________ is a double-membrane that contains nucleoplasm, separating nuclear content from surrounding cytoplasm.

nucleus

The jelly-like substance that fills the cell is called __________.

cytoplasm

The __________ in plant cells contains cell sap and is enclosed by a partially permeable membrane called tonoplast.

central vacuole

Rough endoplasmic reticulum (RER) is involved in __________.

protein synthesis

Smooth endoplasmic reticulum (SER) synthesizes substances such as __________ and steroids.

fats

Ribosomes that lie freely in the cytoplasm synthesize proteins used __________.

within the cell

The __________ organelle releases energy for cellular activities through aerobic respiration.

mitochondrion

Chloroplasts absorb light energy and convert it into __________ energy stored in carbohydrates.

chemical

Secretory vesicles containing modified proteins move to the __________ for secretion out of the cell.

cell surface membrane

A __________ is a process by which a cell becomes specialized for a specific function.

differentiation

Red blood cells transport __________ from the lungs to all parts of the body.

oxygen

Root hair cells have a long narrow protrusion to increase __________ for faster diffusion.

surface area to volume ratio

Xylem vessels transport __________ from the roots to all parts of the plant.

water and mineral salts

Cells are the basic __________ of living things.

unit

Tissues are a group of __________ with similar structures that work together for a specific function.

cells

An __________ consists of more than one kind of tissue working together to perform a specific function.

organ

The __________ system consists of several organs working together for a common purpose.

organ system