Biology Chapter 7 Review
________________cells do not contain a nucleus. eukaryotic prokaryotic plant animal
If a cell of an organism contains a nucleus, the organism is a(n)____________. eukaryote prokaryote plant animal
Despite differences in shape and size, all cells have cytoplasm and a _____________. cell wall mitochondrion cell membrane nucleus
All living things are made up of________________. bones blood cells elements
All cells come from _________. cells that already exist the soil water space
Photosynthesis takes place in the _____________ in plant cells. cell wall chloroplast mitochondria nucleus
. Which of the following controls what enters and leaves the cell? mitochondria cell membrane nucleus vacuole
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
Threadlike structures that contain genetic information are called ___________. ribosomes nuclei chromosomes mitochondria
This organelle translates information from RNA into proteins. ribosome mitochondria chromosome chloroplast
Cell membranes are made mainly of ________. protein pumps carbohydrate gates lipid bilayers free moving proteins
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
. This organelle contains digestive enzymes that break down molecules and cell parts when they are no longer needed lysosome vacuole golgi body endoplasmic reticulum
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
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
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.