Exam 1 Cards

Front 1

Science

Back 1

Is the the systematic inquiry through observation an d experiment into the natural world

Front 2

Hypothesis

Back 2

The proposed explanation for a phenomenon

Front 3

Scientific method order of operations?

Back 3

Observation, question, hypothesis, prediction, experiment or observation, conclusion

Front 4

Science is based on the principle of

Back 4

Natural causality

Front 5

To be considered scientific hypotheses

Back 5

Testable

Front 6

Experiments just be-

Back 6

Repeatable

Front 7

To become a scientific theory you have to?

Back 7

Have a tested and well supported hypothesis

Front 8

Facts

Back 8

Pieces of data collected by scientists. These are real but must be interpreted

Front 9

Physical laws

Back 9

Are distinguished from scientific theories by their simplicity. Like theories they have are not been proven me

Front 10

Hydrogen bond

Back 10

When a covalently bonded hydrogen is possitive and attracted to a negative

Front 11

Ion

Back 11

An atom that has given up an electron or takes up an electron

Front 12

Cohesion

Back 12

Surface tension due to a property of water by water molecules

Front 13

Molecule

Back 13

Two or more atoms of the same or different elements held together by interactions between their outermost electron shells

Front 14

Negatively charged __ orbit the nucleus of an atom

Back 14

Particles

Front 15

Chitin

Back 15

The structural carbohydrate found in the exoskeleton of arthropods and cell wall of some fungi.

Front 16

Carbon

Back 16

An atom bonded to a hydrogen andn3 groups, the amino group, the carboxyl group and the R group

Front 17

Oils

Back 17

Lipids that are of plant and fish origins and are liquids at room temperature

Front 18

Carbohydrates

Back 18

Made of C+ OH + H as a repeating unit

Front 19

DNA is a nucleic acid that firms a double stranded-

Back 19

Helix

Front 20

Glucose is a?

Back 20

Monosaccharide

Front 21

Peptide bond

Back 21

Bond that holds amino acids together in a protein

Front 22

Junctions that allow small molecules to move between cells

Back 22

Gap junctions

Front 23

Function of ribosomes?

Back 23

Cell structure that synthesizes protein

Front 24

Organelles packed by the golgi apparatus are

Back 24

Lysosomes

Front 25

Cells contain jellylike fluid in which cellular structured are suspended, it's called?

Back 25

Cytosol

Front 26

Short numerous microtubul3 bas3d extensions of the plasma membrane used for locomotion or movement of fluids and particle outside of a eukaryotic cell are called

Back 26

Cilia

Front 27

Entropy is the measure of

Back 27

Orderliness

Front 28

Phagocytosis

Back 28

When a cell takes in a large molecule or micro-orfanism by surrounding it and forming a food vacuole

Front 29

Sum of all reactions within a cell

Back 29

Metabolism

Front 30

If a cell is placed in an isotonic solution

Back 30

There is qual movement of water in and out of the cell

Front 31

An ____ reaction releases energy. While an ____ reaction requires an input of energy

Back 31

Exergonic, endergonic

Front 32

A "high energy" bond in an ATP molecule is located between

Back 32

Phosphate groups

Front 33

Simple diffusion

Back 33

Moment of lipid soluble molecules, such as some vitamins and steroids, move across th3 phospholipid bilayer, downs concentration gradient

Front 34

Energy of movement is called

Back 34

Kinetic energy

Front 35

When A muscle cell demands energy to perform it's work of contraction, what happens?

Back 35

Atp is broken down

Front 36

Solvent

Back 36

Able to dissolve other substances