Bio Lab Exam #1

Front 1

Meter

Back 1

Measure for distance

Front 2

Metric system

Back 2

System of weights and measures linked through a network of international agreements

Front 3

Precision

Back 3

Being able to get the same results with repeated measurement of the same thing

Front 4

Scientific method

Back 4

Organized way to figure out something

Front 5

Accuracy

Back 5

The quality or state of being correct or precise

Front 6

Theory

Back 6

A well sustained explanation of some aspect of the natural world

Front 7

Liter

Back 7

Used for volume

Front 8

Gram

Back 8

Used for mass

Front 9

Observation

Back 9

Something you observe during an experiment

Front 10

Hypothesis

Back 10

Testable statement

Front 11

Dependent variable

Back 11

Variable that depends on other factors

Front 12

Independent variable

Back 12

Stands alone and does not get changed by other variables you arentryingbto measure

Front 13

What is the purpose of a Controlled variable

Back 13

The purpose is to keep the experiment accurate

Front 14

Isotope

Back 14

Element that can differ in mass but still the same type of element

Front 15

Reactant

Back 15

The beginning molecule

Front 16

Product

Back 16

The ending molecule

Front 17

PH scale

Back 17

Measures hydrogen and hydroxide ions in a solution

Front 18

Ionic bond

Back 18

Occurs when atoms transfer electrons

Front 19

Covalent bond

Back 19

Occurs by sharing of pairs of electrons between 2 atoms

Front 20

Ions

Back 20

Result from changes in number of electrons orbiting the atomic nucleus

Front 21

Proton

Back 21

a stable subatomic particle occurring in all atomic nuclei, with a positive electric charge equal in magnitude to that of an electron, but of opposite sign.

Front 22

Rough E.R

Back 22

Makes proteins and manufactures membranes

Front 23

Smooth E.R

Back 23

Carbohydrate and lipid synthesis

Front 24

Centrioles

Back 24

help to organize the assembly of microtubules.

Front 25

Golgi complex

Back 25

manufactures, stores and ships certain cellular products.

Front 26

Lysosomes

Back 26

Digest cellular macromolecules

Front 27

Ribosomes

Back 27

Make protein production

Front 28

Scientific law

Back 28

Statement based in repeated experimental observations that describe some aspect of the universe

Front 29

What is the scientific process?

Back 29

Observation-hypothesis-experiment-conclusion-theory

Front 30

Atomic number

Back 30

Number of protons found in the nucleus

Front 31

Atomic mass

Back 31

Quantity of matter contained in the atom

Front 32

Neutron

Back 32

a subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen.

Front 33

Electron

Back 33

a stable subatomic particle with a charge of negative electricity, found in all atoms and acting as the primary carrier of electricity in solids.

Front 34

Nucleus

Back 34

forming the basis for its reproduction and cell growth.

Front 35

Chloroplast

Back 35

Food producers of the cell

Front 36

Mitochondria

Back 36

Produces energy

Front 37

Chlorophyll

Back 37

Captures sunlight and synthesis co2 and water

Front 38

Cell wall

Back 38

Provides structural support

Front 39

Cell membrane

Back 39

. Its function is to protect the integrity of the interior of the cell by allowing certain substances into the cell, while keeping other substances out.

Front 40

E.R

Back 40

Contain ribosomes

Front 41

Nucleolus

Back 41

Composed of proteins and nucleic acids

Front 42

Chromotin

Back 42

Material of which the chromosomes of organisms are made other then bacteria

Front 43

Vesicles

Back 43

Move molecules between locations

Front 44

Vacuoles

Back 44

Store nutrients and break down complex molecules