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7th Science Study

Cell Function Study Guide

QuestionAnswer
Types of passive transport include_____. Facilitated Diffusion
The energy needed for active transport comes from______. ATP Molecules
Which substance can cross a cell membrane only with added energy? Potassium Ion
Raw materials needed for photosynthesis include________. Water and Carbon Dioxide
In plants, most chloroplasts are found in the ______. leaves
In simple diffusion, a substance crosses a cell membrane by ____ passing through tiny spaces in the membrane.
Products of cellular respiration include____. water
Cellular respiration occurs in _______. plants, protists and animals
How many molecules of ATP are produced during the Krebs cycle? Two
The light reactions of photosynthesis produce _____. oxygen
Which substance can cross a cell membrane without added energy? Water molecules
What is the first stage of photosynthesis? Light reactions
Plants exchange gases with the air through their ____. Stomata
Endocytosis is an example of ______. Vesicle transport
T or F The chemical formula for glucose is C6 H12 O6 True
T or F Organisms that make food for themselves and other living things are called heterotrophs. False
T or F All three stages of cellular respiration are aerobic. False
T or F Water forms as a waste product during the second stage of cellular respiration. False
T or F The final stage of cellular respiration is called electron transport. True
T or F The main difference between active and passive transport is the need for transport protein. False
T or F Water can pass more quickly through a cell membrane with the help of a carrier protein. False
T or F Carbon Dioxide passes from your blood to the air in your lungs by simple diffusion. True
Passage of a substance through a cell membrane without the need for energy is called ______ transport. Passive
A protein that forms a tiny hole in a cell membrane so another substance can pass through is known as a (n) ______ protein. transport
Osmosis refers to the diffusion of _______. water
Whenever the transport of substance through a cell membrane requires energy, it is called ____. active
The sodium-potassium pump transports _______ ions into the cell. potassium
The waste product of photosynthesis is ___. oxygen
The light reactions occur in the _____stage of potosynthesis first
During photosynthesis, light energy is changed to _______energy. chemical
In plants and algae, photosynthesis takes place in a organelle called _____. chloroplasts
An aerobic process is any process that requires ___. oxygen
_______ are organelles where the last two stages of cellular respiration took place Mitochondria
Relate the process of cellular respiration and photosynthesis. Be sure to include the chemical formulas. Photosynthesis - 6CO2+6H2O light energy - C6H12O6 Respiratioon C6 H12 O6 + 6O2 6CO2 + 6H2O + energy The two processes are opposite of each other. What one produces the other needs as reactants
Explain why active transport is like rolling a ball up hill. Active transport moves substances from an area of lower concentration to an area of higher concentration which requires energy, so its like moving a ball up a hill. It takes energy
Explain why passive transport is like rolling a ball down hill. Passive transport moves substance from an area of higher concentration to an area of lower concentration, which does not require energy. Its like sitting a ball on a hill and letting it roll down, it does not require energy.
Created by: cromine
 

 



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