what are the three kinds of lipid? oils, and waxes
fats,oils, and waxes
100
what elements are carbohydrates composed of?
carbon, hydrogen,and oxygen
100
what elements are protein composed of?
carbon,hydrogen, oxygen, nitrogen, and in some cases, sulfur.
100
what are nucleic acids made of?
carbon, oxygen, hydrogen, nitrogen and phosphorus
200
what are 2 kinds of active transport?
protein transport
phagocytosis
200
what elements are lipids compiosed of?
carbon, hydrogen, and oxygen
200
what does starch break into?
glucose
200
how many kinds of common amino acids are there?
20
200
what are the two kinds of nucleic acids?
DNA and RNA
300
how does cell molecules move?
high concentration->lower concentration
300
what is the function of lipid?
cells store energy for later use
300
what does these words have in common?
pasta, potaoes, rice, and bread
they contain starch
300
The role of enzymes is to
1.produce amino acids.
2.store energy.
3.speed up chemical reactions in living things.
4.instruct cells to carry out all the functions of life.
3
300
what does DNA do? (2 functions)
1. carries imformation about an organism and is passed from parents?
2.directs sll of cell's functions
400
what is the name of the transportation that doesn't require energy?
passive transpport
400
give an example of using lipids
During winter, a dormant bear lives on ther energy stored in fat
400
where sugers are produced from?
Sugars are produced during the food-making process that takes place in plants.
400
whar are the foods that contain high protein? give 1example.
meat, egg, fish, nut, and beans
400
what does RNA do? (1 function)
RNA plays important role in the production of protein.
500
what is the difference between diffusion and osmosis?
Diffusion- gas
Osmosis- watermolecules
500
which one is true?
1.cell membrances are made mainly of lipids
2. lipids contains less energy then carbohydrates
3. lipids are produced by sugar
1
500
what is the difference between sugar and starch?
Sugar molecules can combine to form large starch molecules or complex carbohydrates.
500
what are the function of proteins? give 1 example
1.proteins form parts of cell membrances
2. speed up chamical reaction(enzyme)