Science L.12-16 Flashcards Preview

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Flashcards in Science L.12-16 Deck (18):
1

photosythesis

the process of a cell capturing sunlight and uses it to make food

2

autotroph

an organsism that makes its own food

3

heterotroph

an organism that cannot make its own

4

pigment

colored chemical compounds

5

chlorophyll

the main photosythetic pigment in chloroplasts

6

stomata

an opening in the underside of a leaf to let carbon dioxide in

7

respiration

how cells obtain glucose

8

fermentation

provides energy for cells without using oxygen

9

cell cycle

the regular sequence of growth and division that cells undergo

10

interphase

the first stage of the cell cycle. Cell grows, makes copy of DNA, prepares to split

11

replication

when the cell copies its DNA and Nucleus

12

mitosis

when the cell's nucleus splits into two new nuclei

13

chromosome

the chromatin in the nucleus condenses to form this

14

cytokinesis

last stage, the cells are fully separated

15

cancer

a disease when cells grow and divide uncontrollably

16

mutation

a change in the DNA

17

tumor

a mass of abnormal cells

18

chemotherapy

the use of drugs to treat disease