Chapter 1 A Chapter 1 B chapter 1 C chapter 1 D Chapter 1 E
100
phospholipid
what do you call the molecules that form two layers in the cell membrane
100
asexual reproduction
When a worm is cut in half and each half develops into a whole worm, that is an example of _____
100
stimulus
When the eyelids of a duck automatically raise to cover the duck's eyes when it dives under water, the water acts as a _________
100
cell
What is a membrane-covered structure that contains all of the materials necessary for life
100
heredity
What is the transmission of traits from one generation to the next
200
fats
oils
carbohydrates
What is used to store energy in a cell
200
heredity
What is the passing of traits from one generation to the next
200
proteins
What helps speed up chemical reactions in the cell as well as offer protection from foreign material
200
stimulus
What is A change in an organism's surroundings that causes the organism to react
200
metabolism
What is a total of all the chemical reactions that occur within an organism
300
ATP
What is a molecule that provides energy for cellular processes
300
carbohydrate
compound made up of sugars; a major source of energy for the human body
300
What are the 6 characteristics that all living things have in common
made of 1 or more cells, use energy
sense and react to changes in environment
reproduce, grow and develop, have DNA
300
homeostasis
What is process by which organisms maintain a relatively stable internal environment
300
producer
What is an organism that can make its own food.
400
Metabolism
What do you call all of the chemical activities that an organism's cells perform
400
amino acids
What are sub units of protein
400
simple carbohydrates
What is made of one or a few sugar molecules linked together
400
asexual reproduction
process of reproduction involving a single parent that results in offspring that are genetically identical to the parent
400
protein
What is large molecules that are made up of sub-units called amino acids
500
nucleic acid
a complex organic substance present in living cells, especially DNA or RNA, whose molecules consist of many nucleotide linked in a long chain.
500
ATP
What is (adenosine triphosphate) main energy source that cells use for most of their work
500
complex carbohydrates
What is made of many simple sugar molecules linked together
500
DNA
A complex molecule that provides instructions for making molecules called proteins which pass on genetic characteristics
500
lipid
What is a compound that cannot mix with water; some store energy, others form cell membrane






Life Science 7th Grade Chapter 1

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