Shared Flashcard Set

Details

Cells Herety chapter 2
---
30
Science
7th Grade
01/09/2012

Additional Science Flashcards

 


 

Cards

Term
What are the four main types of large molecules are in living things?
Definition
carbohydrates
lipids
proteins
Nucleic Acid
Term
what characteristic do all four large molecules share?
Definition
contain carbon atoms
Term
What do carbohyrates provide for the cells
Definition
carbohydrates provide energy
Term
What are simple carbs made of?
Definition
sugars
Term
What are lipids
Definition
fats oils and waxes found in living things
Term
What are lipids used for in a cell
Definition
making energy and structures
Term
What are proteins made up of?
Definition
amino acids
Term
What are amino acids used for
Definition
build proteins to proform a certain function
Term
what are nucleic acids?
Definition
used for maintenance,growth,and reproduction
Term
about how much of every cell is water?
Definition
about 2/3 of every cell is water
Term
What is chemical energy?
Definition
the energy stored in bonds between atoms
Term
what molecule is is the major energy source for most cells
Definition
glucose
Term
define photosynthesis
Definition
the process in which plant cells generate chemical energy from sunlight oxygen carbon Dioxide to glucose
Term
list 4 raw materials in plants needed to complete photosinthesis
Definition
Co2
H2O
Chlorophyll
sunlight
Term
what part of the cell does photosinthesis take place?
Definition
chloroplast
Term
What chemical traps the sun's energy?
Definition
chlorophyll
Term
what food do plants manufature?
Definition
glucose
Term
what is the formula for glucose?
Definition
C6 H12 O6
Term
what gas is the waste product of photosynthesis
Definition
oxygen
Term
write the chemical equation for photosynthesis
Definition
6H2O+6CO2+(sunlight+chlorphyll)--> C6H12O6
Term
write the chemical equation for respiration
Definition
C6H12O6---> (sunlight+Chlorophyll) 6H2O+6CO2
Term
Why is photosinthsis important to plants and animals?
Definition
because it supplies oxygen for the animals, and glucose for the plants
Term
How can we test for glucose?
Definition
put the leaf in the benedict solution and boil the leaf and benedict solution. if the changes color, it has glucose
Term
what are two types of Fermentation?
Definition
Latic and alcolholic
Term
give an example of alcoholic fermentation
Definition
bread
Term
give an example of latic fermantation
Definition
milk
Term
define defusion
Definition
the process of moving from low to high concentration of cells
Term
define Osmosis
Definition
defusion of water
Term
why are defusion and osmosis similar
Definition
they both are examples of passive transport
Term
What is active transport?
Definition
the process of moving materials from low to high concentration
Supporting users have an ad free experience!