Science chapter test Flashcards
What is the formula for photosynthesis:
Carbon dioxide + water+ light energy +sugar + oxygen
What is the formula for respiration:
sugar+ oxygen+carbon dioxide+water + energy
What is an element:
pure substance that can not be broken down into a simpler substance
Compare and contrast passive and active transport:
they both use materials that pass through the cell membrane passive doesn’t use cellular energy
Compare and contrast autotrophs and heterotrophs:
they both use the source of energy differently. Autotrophs is a self feeder hetero goes out to get its own food
Page 84 if you look at the arrow and the arrow is pointing inward, which type of transport is it?
active
The substances are moving above the cell in what type of area?
High concentration
Name the process that produces water?
Respiration
Look at the diagram which process uses water?
Respiration
Which process needs energy?
Photosynthesis
True or false During cytokinesis the cytoplasm of the cell divides
true
True or false one product of respiration is carbon dioxide
true
True or false an element can not be broken down into a simpler substance
True
True or false animals get energy directly from the sun
false
True or false passive transport uses energy from the cell to move substances through the cell membrane
false
Most of the energy that is released during respiration are produced in the __________
Mitochondria
Amino acids are small compounds that make up bigger compounds called
proteins
During photosynthesis plants produce sugar and _____
oxygen
________ is the diffusion of water through the cell membrane
Osmosis
The regular sequences of growth and division of cells and what they undergo is ______
The cell cycle
In the dna model adenine only pairs with ___
thymine
What happens during mitosis?
Two cells are created in the nucleus
Dna and rna are both examples of
nucleic acids
Which organic compounds include sugar and stanches
Carbs
During the process of fermentation cells release ____ from sugar
Energy
The first stage of respiration takes place in the ______
Cytoplasm
In the second stage of photosynthesis plants cells make _____
sugar
Plants use sunlight to make food in the process called
Photosynthesis
When water moves out of the cell it ____
Shrinks
____ is the movement of molecules from a high area of concentration to a low area of concentration
Diffusion
