Biology Chapter 7 Review cells do not contain

Biology Chapter 7 Review

________cells do not contain a nucleus. • • eukaryotic prokaryotic plant animal prokaryotic

If a cell of an organism contains a nucleus, the organism is a(n)______. • • eukaryote prokaryote plant animal eukaryote

Despite differences in shape and size, all cells have cytoplasm and a _______. • • cell wall mitochondrion cell membrane nucleus cell membrane

All living things are made up of________. • • bones blood cells elements cells

All cells come from _____. • • cells that already exist the soil water space cells that already exist

Photosynthesis takes place in the _______ in plant cells. • • cell wall chloroplast mitochondria nucleus chloroplast

. Which of the following controls what enters and leaves the cell? • • mitochondria cell membrane nucleus vacuole cell membrane

In many cells, the structure that controls the cell’s activities is the_____. • • cell membrane nucleolus organelle nucleus

Which organelle converts the chemical energy in food into a form that cells can use? • • nucleolus mitochondria chromosomes chloroplast mitochondria

Threadlike structures that contain genetic information are called ______. • • ribosomes nuclei chromosomes mitochondria chromosomes

This organelle translates information from RNA into proteins. • • ribosome mitochondria chromosome chloroplast ribosome

Cell membranes are made mainly of ____. • • protein pumps carbohydrate gates lipid bilayers free moving proteins lipid bilayers

The movement of water molecules across a selectively permeable membrane is called _______. • • exocytosis endocytosis phagocytosis osmosis

A substance that moves across a cell membrane without using energy moves ______. • • from low concentration to high concentration from high concentration to low concentration away from equilibrium does not move • from high concentration to low concentration

. This organelle contains digestive enzymes that break down molecules and cell parts when they are no longer needed • • lysosome vacuole golgi body endoplasmic reticulum lysosome

Which statement best describes the result of placing a cell into a concentrated sugar solution. • • water moved into the cell water moved out of the cell protein synthesis begins sugar moved out of the cell water moved out of the cell

What is the gelatin like substance between the nucleus and the cell membrane called? • • ribosome chloroplast endoplasmic reticulum cytoplasm

. The ______transports proteins and other molecules to different parts of the cell. • • vacuole ribosome nucleus endoplasmic reticulum

____ is when the concentration of a solute is the same throughout a system. • • equilibrium diffusion facilitated diffusion active transport equilibrium

A substance that moves across a cell membrane without using energy tends to move • away from the area of equilibrium • away from the area where it is less concentrated • away from the area that is more concentrated • toward the area where it is more concentrated

Review your plant and animal cell diagrams. They will be on the test.