Principals Of Biology

Front 1

Green plants, algae, and certain bacteria use light energy to make sugar from carbon dioxide and water in a process called __________.

Back 1

Photosynthisis

Front 2

________ are often referred to as the producers of the biosphere (the global ecosystem) because they produce its food supply.

Back 2

Producers

Front 3

_______ is the green tissue in the interior of the leaf; a leaf's ground tissue system; the main site of photosynthesis.

Back 3

Mesophyll

Front 4

_______ is a thick fluid enclosed by the inner membrane of a chloroplast. Sugars are made in the ______ by the enzymes of the Calvin cycle.

Back 4

Stroma, Stroma

Front 5

_________ is a stack of hollow disks formed of thylakoid membrane in a chloroplast. _______ are the sites where light energy is trapped by chlorophyll and converted to chemical energy during the light reactions of photosynthesis.

Back 5

Grana, Grana

Front 6

______ is the reproductive process that involves _____ which is the union of a sperm and an egg.

Back 6

Sexual Reproduction, Fertilization

Front 7

________ is the production of offspring by a single parent, without the participation of sperm and egg.

Back 7

Asexual Reproduction

Front 8

_____ reproduce by binary fission.

Back 8

Prokaryotes

Front 9

_____ is a shallow groove in the cell surface.

Back 9

Cleavage Furrow

Front 10

______ is the arrest of cell division that occurs when cells grown in a laboratory dish touch one another; generally due to an inadequate supply of growth factors.

Back 10

Density-Dependent Inhibition

Front 11

_______) is a cell that is not subject to normal cell cycle control mechanisms and that will therefore divide continuously.

Back 11

Cancer Cell

Front 12

_____ is an abnormally growing mass of body cells.

Back 12

Tumor

Front 13

If the abnormal cells remain at the original site, the lump is called a _______/

Back 13

Benign Tumor