Living environment

Question 1

hypothesis

Answer 1

a new concept tested in an experiment

Question 2

transport

Answer 2

absorption and distribution of nutrients

Question 3

cyclosis

Answer 3

flow of cytoplasm within the cell

Question 4

nutrition

Answer 4

ingesting nutrients for activities (heterotrophic- needs to consume; autotrophic- produces own food (photosynthesis))

Question 5

metabolism

Answer 5

chemical reactions that occur to keep an organism alive

Question 6

cellular respiration

Answer 6

occurs in the mitochondria. converts ATP to a usable form

Question 7

ATP

Answer 7

another word for energy

Question 8

organic compounds

Answer 8

contain carbon, oxygen, nitrogen and hydrogen such as proteins, carbohydrates, DNA and fats

Question 9

inorganic

Answer 9

lacks carbon, such as water and salts

Question 10

synthesis

Answer 10

forming complex molecules from smaller ones

Question 11

homeostasis

Answer 11

internal state of balace

Question 12

excretion

Answer 12

removal of toxic substances or metabolic wastes

Question 13

abiotic

Answer 13

non-living factors such as air, water, rocks

Question 14

biotic

Answer 14

living factors such as plants, mouse, deer

Question 15

reproduction

Answer 15

not necessary for survival of an individual. Only for the species.

Question 16

regulation

Answer 16

responding to changes in the environment. For example, a plant moving towards the sunlight

Question 17

growth

Answer 17

ability to increase in size or number

Question 18

classification system

Answer 18

Kingdom-Class-Order-Family-Genus-Species.

Kingdom having the greatest # of different organism and species being the most specific

Question 19

binomial nomenclature

Answer 19

two-named system to classify organisms. always genus and species (Homo-genus sapiens-species). 1st is genus, 2nd is species

Question 20

protists vs. monerans

Answer 20

protists have a nucleus, membrane bound organelles and flagellum. monerans don’t have a nucleus (protists-ameba, monerans-bacteria)

Question 21

levels of organization

Answer 21

organelles-cells-tissues-organs-organ system-organism

Question 22

cell theory

Answer 22

all cells come from pre-existing cells, cell are the basic unit of function, cells are basic unit of structure.

Question 23

exceptions to cell theory

Answer 23

first cell and viruses. viruses contain genetic material but need to attach to a host cell

Question 24

gel electrophoresis

Answer 24

separates DNA based on (+) or (-) charges

Question 25

ultracentrifuge

Answer 25

separates according to densities

Question 26

ribosomes

Answer 26

produce proteins

Question 27

nucleus

Answer 27

control center of cell. Contains the genetic information or DNA

Question 28

centriole

Answer 28

involved in cell division

Question 29

vacuole

Answer 29

storage of nutrients, water and wastes

Question 30

cell membrane

Answer 30

allows substances to enter and exit the cell

Question 31

chloroplast

Answer 31

site of photosynthesis. only in plants

Question 32

cell wall

Answer 32

provides structure and support for the plant.

Question 33

endoplasmic reticulum (ER)

Answer 33

series of channels that transports materials inside the cell

Question 34

receptors

Answer 34

found on the surface and are specific

Question 35

ph scale

Answer 35

how acidic or basic a solution is (ph less than 7=acid, ph of 7=neutral, ph more than 8=base)

Question 36

theory

Answer 36

repeated many times and obtain the same result

Question 37

conclusion

Answer 37

findings at the end of the experiment. Valid when repeated many times.

Question 38

metric untis

Answer 38

K H D b d c m

Question 39

total magnification

Answer 39

ocular x objective (10x (x) 10x=100x)

Question 40

field of view

Answer 40

greatest number under low power

Question 41

indicators

Answer 41

used to identify substances. Lugol's Iodine-plant cells, methylene blue-cheek cells

Question 42

diffusion

Answer 42

movement of molecules from an area of high concentration to an area of low concentration

Question 43

what do scientists use to organize a data?

Answer 43

scientists use graphs, tables and diagrams to organize the data

Question 44

linneaus

Answer 44

scientist that established the binomial system to classify organisms

Question 45

dehydration synthesis

Answer 45

large molecules from small ones. Water is always a by product.

Question 46

hydrolysis

Answer 46

addition of water to break down large molecules into smaller ones

Question 47

enzymes

Answer 47

end in "ase" used to break down

Question 48

what does the cell theory resulted from?

Answer 48

the cell theory resulted from the advance in the microscope and microscopic techniques

Question 49

why simple sugars and animo acid are needed?

Answer 49

simple sugars and animo acids are needed for the systhesis of large molecules