Science Exam 1 2010

Front 1

Diffusion

Back 1

movement of particles from regions of higher density to regions of lower density

Front 2

Give 2 examples of Diffusion

Back 2

1) dye and water
2) gum

Front 3

Osmosis

Back 3

the diffusion of water through a semipermeable membrane

Front 4

Give some examples of Osmosis

Back 4

1)Salt water & potato
2) Sprained joint in hot water and Epsom salt
3) Salt on a slug or plant
4) Egyption mummies
6) Country ham

Front 5

Active Transport

Back 5

Requires energy to move materials across the cell membrane

Front 6

Endocytosis

Back 6

An example of Active Transport.
The process by which a cell membrane surrounds a particle and encloses the particle in a vesicle to bring the particle into the cell.

Front 7

Exocytosis

Back 7

An example of Active Transport.
The process in which a cell releases a particle by enclosing the particle in a vesicle that then moves to the cell surface and fuses with the cell memebrane.

Front 8

Which is Mitochondria?

Back 8

#44

Front 9

Which is Cell Wall?

Back 9

#41

Front 10

Which is Chloroplast?

Back 10

#45

Front 11

Which is Cytoplasm?

Back 11

#42

Front 12

Which is the Nucleus?

Back 12

#43

Front 13

Which is the Anaphase?

Back 13

#B

Front 14

Which is the Prophase?

Back 14

#A

Front 15

Which is the Telophase?

Back 15

#C

Front 16

Which is the Metaphase?

Back 16

#D

Front 17

Mitosis

Back 17

The process by which the nucleus of a cell divides into 2 new nuclei and 2 new daughter cells.

Front 18

Photosynthesis

Back 18

The process by which plants, algae, and some bacteria use sunlight , carbon dioxide, and water to make food

Front 19

Chlorophyll

Back 19

a green pigment that captures light energy for photosynthesis

Front 20

Chemical Eqaution for
Photosynthesis

Back 20

6CO + 6H O + Light Energy

C H O + 6O

Front 21

Cellular Respiration

Back 21

The process by which cells use oxygen to produce energy from food

Front 22

ATP

Back 22

Adenosine Triphosphate.
Supplies energy that fuels cell activities.

Front 23

Where does Cellular Respiration occur in Prokaryotes?

Back 23

The cell membrane

Front 24

Where does Cellular Respiration occur in Eukaryotes?

Back 24

The Mitochondria

Front 25

Chemical Equation for Cellular Respiration

Back 25

C H O + 6O 6CO + 6H O +

energy (ATP)

Front 26

What is the connection between photosynthesis and cellular respiration?

Back 26

Each process makes the materials that are needed for the other process to occur elsewhere.

Front 27

Fermentation

Back 27

The breakdown of food without the use of oxygen.

Front 28

Name 2 types of fermentation

Back 28

1) Lactic Acid which contributes to muslce fatigue
2) Yeast. Causes dough to rise.

Front 29

Cell Cycle

Back 29

The life cycle of a cell

Front 30

Chromosome

Back 30

in a eukaryotic cell, one of the structures in the nucleus that are made up of DNA and protein; in a prokaryotic cell, the main ring of DNA

Front 31

DNA

Back 31

Deoxyribonucleic acd

Front 32

Prokaryotic Cell Division

Back 32

Binary fission which means spiltting into 2 parts.

Front 33

Homologous Chromosome

Back 33

chromosomes that have the same sequence of genes and the same structure

Front 34

Mitosis

Back 34

The complicated process by which chromosomes condense and spearate.

Front 35

Cytokinesis

Back 35

the division of the cytoplasm of a cell

Front 36

Cell Plate

Back 36

Forms in the middle of a cell and contains the materials for new cell memebranes and new cell walls that will separate the new cells.

Front 37

pistil

Back 37

the female reproductive part of a flower that produces seeds and consists of an ovary, style, and stigma

Front 38

ovary

Back 38

in flowering plants the lower [art of the pistil that produces eggs in ovules

Front 39

Pollen

Back 39

the tiny granules that contain the male reporductive gametophyte of seed plants

Front 40

Petal

Back 40

One of the usually brightly colored leaf-shaped parts that mek up one of the rings of a flower

Front 41

Stamen

Back 41

the make reporductive structure of a flower that produces pollen and consists of an anther at the tip of a filament

Front 42

sepal

Back 42

in a flower, one of the outermost rings of modified leaves that protect the flower bud

Front 43

anther

Back 43

carry pollen

Front 44

stigma

Back 44

is the sticky surface at the top of the pistil; it traps and holds the pollen.

Front 45

ovule

Back 45

The part of the ovary that becomes the seed.

Front 46

filament

Back 46

This is the fine hair-like stalk that supports the anther.

Front 47

The _____ is the tube-like structure that holds up the stigma.

Back 47

style

Front 48

Heredity

Back 48

passing of genetic traits from parent to offsrping

Front 49

Characteristic

Back 49

a feature that has different forms in a population

Front 50

Trait

Back 50

a specific form of a charcteristic

Front 51

Dominant Trait

Back 51

the trait that appears

Front 52

Recessive Trait

Back 52

the trait that is hidden

Front 53

Ratio

Back 53

a relationship between two numbers, expressed as a fraction

Front 54

Genes

Back 54

the instructions fro an inherited trait

Front 55

Alleles

Back 55

the different froms of a gene

Front 56

Phenotype

Back 56

the outward appearance of an organism

Front 57

Genotype

Back 57

the types of genes of an organism (gene type)

Front 58

Homozygous
(purebred)

Back 58

offspring that have both alleles the same for a trait

Front 59

Heterozygous
(hybrid)

Back 59

offspring that have different alleles fro a trait

Front 60

Punnett Square

Back 60

a device used to organize possible combinations of offspring

Front 61

Probability

Back 61

the mathematical chance that something will happen

Front 62

Genetics

Back 62

the study of heredity

Front 63

Gregor Mendel

Back 63

the "Father of Genetics"

Front 64

Female reproductive parts of a flower

Back 64

stigma, style, ovary, ovules

Front 65

Male reproductive parts of a flower

Back 65

filament, anther, pollen

Front 66

What are Scientific Methods?

Back 66

a series of steps followed to solve problems