Science Exam Vocab

Front 1

Cell Wall

Back 1

Rigid Structure that provides a supporting framework

Front 2

Cytoplasm

Back 2

Gel-like substance that supports structure of cell/the protoplasm outside the nucleus of a cell

Front 3

Mitochondria

Back 3

Transfers Energy f cell

Front 4

Golgi Body

Back 4

Packages materials and moves (secretes) them out of cell

Front 5

Lysosomes

Back 5

Breaks down and digests waste and worn-out cell parts

Front 6

Endoplasmic Reticulum (ER)

Back 6

System of canals that transport materials throughout Cell

Front 7

Cell Membrane

Back 7

semi-permeable membrane that encloses contents of cell

Front 8

Nucleus

Back 8

Control center of cell

Front 9

Chromosomes

Back 9

Double-stranded thread-like structure that carries genetic material

Front 10

Chromatin

Back 10

Long Strands of DNA scattered across nucleus

Front 11

Nucleolus

Back 11

Makes ribosomes

Front 12

Ribosomes

Back 12

Makes proteins

Front 13

Mitosis

Back 13

Reproduction of body/somatic cells

Front 14

Meiosis

Back 14

Reproduction of sex cells

Front 15

DNA

Back 15

Deoxy Ribonucleic Acid; molecule that determines inherited characteristics of an organism

Front 16

Nucleotide

Back 16

Segment of DNA composed of a sugar molecule, phosphate, and one of the 4 nitrogen bases

Front 17

Codon

Back 17

basic unit of genetic code

Front 18

Genotype

Back 18

Genetic makeup

Front 19

Phenotype

Back 19

visible characteristics of an organism

Front 20

Pedigree

Back 20

A genealogical table showing your ancestral lineage

Front 21

Punnet Square

Back 21

A type of grid used to show the gametes of each parent and their possible offspring

Front 22

Tumor

Back 22

build up of cells

Front 23

Fission

Back 23

Joining of nuclei

Front 24

Meristem

Back 24

specialized plant cells

Front 25

Pistil

Back 25

female reproductive plant part

Front 26

Stamen

Back 26

male reproductive plant part

Front 27

Testes

Back 27

Male Gonad

Front 28

Ovary

Back 28

Female gonad

Front 29

Zygote

Back 29

fertilized ovum

Front 30

Gastrula

Back 30

Structure of developing embryo, consisting of extoderm, mesoderm, and endoderm

Front 31

Endoderm

Back 31

Innermost layer of gastrula

Front 32

Mesoderm

Back 32

Middle layer of cells in gastrula

Front 33

Ectoderm

Back 33

Outermost layer of gastrula

Front 34

Mating

Back 34

Process where 2 organisms combine their gametes to each other for fertilization

Front 35

Dispersal

Back 35

natural spread of seeds

Front 36

Spores

Back 36

haploid cell that can develop into a new organism without fertilization

Front 37

Metamorphosis

Back 37

The phase of an insect of physical form

Front 38

Angiosperm

Back 38

flowering plant

Front 39

Gymnosperm

Back 39

woody- cone-bearing plant

Front 40

Seminiferous tubule

Back 40

In testes, mass of coiled tubes in which sperm cells are formed

Front 41

Corpus Lutetium

Back 41

Yellowish body formed from follicle after ovulation

Front 42

Sporophyte

Back 42

a plant in its asexual spore-producing phase

Front 43

Gametophyte

Back 43

phase producing male and female cells

Front 44

Conifers

Back 44

cone-bearing trees/another name for Gymnosperms

Front 45

Spawning

Back 45

egg mass

Front 46

Hermaphrodite

Back 46

Organism with both reproductive organs

Front 47

Amnion

Back 47

membrane that forms a protective fluid-filled sac surrounding developing embryo

Front 48

Chorion

Back 48

Outermost of 3 layers of protective tissues around the embryo during early development

Front 49

Allantois

Back 49

Membrane rich in blood vessels which help remove waste from developing embryo

Front 50

Endometrium

Back 50

lining of uterus

Front 51

Carcinogens

Back 51

Things that cause cancer

Front 52

Parturition

Back 52

act of giving birth