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Science 7

Ch. 2 Test Review

Who built a microscope and was the first to discover cells Robert Hooke
________ serves as barriers in the cell. Lipids
_________ is a type of passive transport Diffusion
______ makes proteins RNA
______ are found in the nucleus. Nucleic Acids
________ and ________ are at the end of the photosynthesis process Glucose & oxygen
True or False: Both plant and animal cells undergo respiration true
___________ makes up the macromolecule carbohydrate sugar
________________ is a process of making foods in plants photosynthesis
Photosynthesis takes place in cells with chloroplast the release ______________ oxygen
how is a plant cell different from an animal cell? plant cells have cell walls and chloroplast, animal cells do not
Cell theory is the work of which 3 scientist? Rudolph Virchow, Theodore Schwann, Matthias Schleiden
function of a cell membrane offers protection from the outside environment
what is the difference between eukaryotic cells and prokaryotic cells eukaryotic contain membrane-bound organelles (nucleus) while prokaryotic cells do not
3 parts of the cell theory 1. all living things are made up of one or more cells 2. cell is the smallest unit of life 3. all cells are made up of pre-existing cells
____________ breakdown & recycle cell components lyosomes
___________ is the type of fermentation that produces alcohol and CO2 alcohol fermentation
substances too large to pass through the cell membrane enter the cell in a process called _____________ endocytosis
___________ is the largest organelle nucleus
_________ is the process where food is broken down and energy is released respiration
What is the difference between smooth and rough ER Smooth ER is not bounded by ribosomes and is known for storing lipids and proteins Rough ER is bounded by ribosomes and stores proteins
__________________ prepare proteins for transport in the cell Golgibodies
__________ is the movement of molecules across a cell membrane from a region of their lower concentration to a region of their higher concentration and uses cells energy Active transport
_________ is the transport across the cell membrane that does not require energy passive transport
the shape of a cell can tell you what? something about the job the cell does
_________ and _______ provide energy carbohydrates & lipids
what takes place in the cytoplasm of a cell? fermentation
offers protection from the outside environment cell membrane
structures that perform important cellular functions organelles
gives support and shape to the cell cell wall
stores, water, food, and waste product vacuoles
gel like fluid that holds the organelles cytoplasm
controls cell activity nucleus
produces energy mitochondria
packages materials to be sent and received golgibodies
Created by: breallen