Science All Flashcards

Front 1

gymnosperm

Back 1

seed plant that bears its seeds directly on the surfaces of cones

Front 2

angiosperm

Back 2

flowering plants bears its seeds within a layer of tissue that protects its seeds

Front 3

cone

Back 3

in gymnosperms a seed bearing structure

Front 4

flower

Back 4

seed bearing structure of an angiosperm

Front 5

pollen grain

Back 5

male gametophyte in seed plants

Front 6

pollination

Back 6

tranasfer of pollen from the male reproductive structure to the female

Front 7

seed

Back 7

embryo of a living plant that is encased in a protective covering and surrounded by a food supply

Front 8

embryo

Back 8

organism in its early stage of development

Front 9

seed coat

Back 9

structure that surrounds and protects a plant embryo and keeps it from drying out

Front 10

fruit

Back 10

wall of tissue surrounding an angiosperm seed

Front 11

monocot

Back 11

angiosperm whose seeds have on cytyledon

Front 12

dicot

Back 12

angiosperm whose seeds have two cotyledons

Front 13

cotyledon

Back 13

first leave or first pair of leaves produced by the embryo of a seed

Front 14

annual

Back 14

flowering plant that completes a life cycle within one growing season

Front 15

biennial

Back 15

flowering plant that completes its life cycle in two years

Front 16

perennial

Back 16

flowering plant that lives for more than two years

Front 17

nucleotide

Back 17

monemer of nucleic acid made up of a 5 carbon sugar

Front 18

base

Back 18

compound that produces hydroxide ions in soltion

Front 19

gene

Back 19

sequence of dna that codes for a protien and thus determines a trait

Front 20

transcription

Back 20

process in which part of the nucleotide sequences of dna is copied into a complementary sequence in RNA

Front 21

translation

Back 21

decoding of a mrna message into a polypeptide chain

Front 22

polymerase

Back 22

large compound formed from combinations of many monomers

Front 23

pairing

Back 23

when the 4 bases pair up

Front 24

adenine

Back 24

one of the four bases of dna

Front 25

thymine

Back 25

one of the four bases of dna

Front 26

cytosine

Back 26

one of the four bases of dna

Front 27

guanine

Back 27

one of the four bases of dna