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science midterm vocabulary pt 1

Total questions: 62

Worksheet time: 2hrs 4mins

Name
Class
Date
1.

what is an organism

a)

a living life form

b)

has a spine

c)

has no skull

d)

a non-living life form

2.

what is a cell

a)

there is no such thing

b)

jailcell

c)

smallest structural unit of an organism

d)

living creature

3.

what is an atom

a)

a chemical bonding

b)

dust

c)

nucleus

d)

structeral, functional unit of all matter

4.

What is an organelle

a)

Equalibriam

b)

little structures found within a cell, specialized function and structure

c)

cellular membrane

d)

none of the above

5.

what is a macromolecule

a)

large organic compound

b)

monomer of molecule

c)

a type of atom

d)

chromatids

6.

what is an molecule

a)

earth with all its ecosystems

b)

unit of matter that is all the same element

c)

two or more atoms bonded together

d)

large organic compound

7.

what is an organ

a)

monera

b)

stimulas and response

c)

subatomic particles mixed with carbohydrates

d)

group of similar tissue working together to preform a specific function

8.

what is an organ system

a)

a group of organs that work together to preform a certain function such as digestive or respiratory

b)

community of organisms

c)

none of the above

d)

has a negative charge

9.

what is tissue

a)

none

b)

a group of similar cells working to preform a specific function

c)

a group of organisms to preform a specific function

d)

a group of subatomic particles working together to preform a specific function

10.

cell theory is...

a)

there is no such thing its just another word for mitosis

b)

cell membrane

c)

polymers and enzymes

d)

widely excepted explanation of the relationship between cells and living things

11.

selectively permeable

a)

the membrane that allows everything to pass through

b)

the membrane allows some substances in and not others to pass through

c)

the membrane that allows nothing to pass through

d)

there is only permeable membrane

12.

prokaryote

a)

no nucleus

b)

has a nucleus

13.

eukaryotes

a)

no nucleus

b)

has a nucleus

14.

endoskeleton

a)

internal skeleton

b)

exterior skeleton

15.

exoskeleton

a)

external skeleton

b)

internal skeleton

16.

structure

a)

what forms your cells

b)

same thing as function

c)

what forms the parts to the organ, system, or living thing

17.

function

a)

what an organ, tissue, cell, or molecule DOES

b)

what makes up the organ, tissue, cell, or molecule

18.

autotroph

a)

can make its own food

b)

can't make their own food

19.

heterotroph

a)

cannot make its own food

b)

can make their own food

20.

homeostasis

a)

the ability to do work

b)

unstable internal environment

c)

ability to maintain constant internal environment

21.

fertilization

a)

gametes

b)

sexual reproduction involving sperm and eggs

c)

zygotes combining with zygotes

d)

none of the above

22.

gametes

a)

male or female cell that contains half of the organism

b)

a full baby

c)

nucleic acid

23.

zygote

a)

half of the male sex cell

b)

union of male and female sex cell

c)

egg

d)

sperm

24.

fission

a)

usually a cell, split

b)

g

25.

element

a)

an substance that can be broken into

b)

any substance that cannot be broken into

26.

compound

a)

elements that are not chemically bonded

b)

two or more elements that are chemically bonded

27.

carbohydrate: facts (there is no right answer)

a)

made of carbon, hydrogen , oxygen (CHO)

b)

monomer of carbohydrate: monosaccharides

c)

glucose, fructose, sucrose

d)

OSE is a huge part to identifying them, sugars

28.

lipid

a)

sugar

b)

fatty acid, butter, earwax etc

c)

acids

d)

pentose

29.

nucleic acid

a)

a bunch of units of nucleotides repeating, ex: RNA+DNA

b)

fatty acids

c)

tide pods

30.

protein

a)

DNA, RNA

b)

butter, earwax, fatty stuff

c)

polymer of an amino acid, EX: enzymes

31.

amino acid

a)

centromere

b)

the building blocks of proteins

c)

really just a fatty acid

32.

enzyme

a)

control rate of non-chemical changes

b)

protein catalyst that speeds up rate of chemical reactions

c)

hormones

33.

hormone

a)

regulates activity of certain cells or organs, acts as messenger

b)

non-molecule

c)

isotonic soultion

34.

organic

a)

non-living, doesn't contain carbon

b)

contains carbon, derived from living organisms

35.

in-organic

a)

nonliving, doesn't contain carbon EX: carbon

b)

living, vegetabl, fruit, contains carbon

36.

DNA

a)

double helix, molecule that helps organism develop, live and re-produce

b)

single-helix, carries amino acid sequence, found mainly in cytoplasm of the cell

37.

RNA

a)

double helix, molecule that helps organism develop, live and re-produce

b)

single-helix, carries amino acid sequence, found mainly in cytoplasm of the cell

38.

diffusion

a)

molecules move from area of high concentration to low concentration

b)

molecules move from area of low concentration to high

39.

passive transport

a)

movement of material through a cell membrane using the cells energy

b)

movement of materials through a cell membrane without using the cells energy

40.

osmosis

a)

the diffusion of water molecules through a selecting permeable membrane

b)

molecules spread evenly througout

41.

active transport

a)

movement of materials through cell membrane using the cells energy

b)

movement of materials through cell membrane not using the cells energy

42.

endocytosis

a)

bringing something into the cell

b)

releasing contents outside of the cell

43.

exocytosis

a)

bringing something into the cell

b)

releasing contents outside of the cell

44.

photosynthesis

a)

organisms transforming nothing into nothing

b)

organisms transform light energy into chemical energy which makes energy rich organic compounds

c)

plant food being destroyed

45.

chlorophyll

a)

forms spindle fibers

b)

green pigment found in chloroplasts, absorbs light for photosynthesis

c)

rigid layer of non-moving materials

46.

cell wall

a)

allows some thing in, and others not to pass through

b)

rigid layer of non-moving materials

47.

mitochondria

a)

stores water, salts and organic materials

b)

protects cells

c)

powerhouse of the cell

48.

cytoplasm

a)

long whip like structure

b)

watery material inside cells, (apart from nucleus)

c)

stores, cleans up, support

49.

cell membrane

a)

none of the above

b)

semi-permeable outer covering of cell that controls movement of substances going in and out

c)

ridged layer of non-living materials that support shapes and protects plant cells

50.

ribosome

a)

cell organelle consisting of RNA and protein found throughout the cytoplasm

b)

enables cell to transport and deliver, smooth

c)

tiny hairs on outsides of cells

51.

chloroplasts

a)

green pigment

b)

in plant cells only, captures sunlight converts into chemical energy produces chlorophyll

52.

endoplasmic reticulum

a)

specialized structure on the cell that grows and functions

b)

a network or maze that enable cells to transport and deliver protein and lipids to other parts of the cell

53.

nucleus

a)

has a negative charge

b)

core or center of atom

c)

has a positive charge

d)

has no charge

54.

Golgi body

a)

near nucleus and endoplasmic reticulum

b)

ALL of the above

c)

modifies, sorts, and packages cells, creates lysosomes

55.

mitosis

a)

division of body cells,

b)

division of sex cells

56.

meiosis

a)

division of body cells

b)

division of sex cells

57.

daughter cells

a)

formed after mitosis, genetically the same to their parents

b)

formed before mitosis, during interphase, different from their parents because no cell is the same

58.

cell cycle

a)

the events that lead to the replication of cellphones

b)

interphase only

c)

(i)PMAT(c), events that replicate cells

59.

respiration in a cell

a)

provides cells with the energy they need to function

b)

releases waste to fuel cellular energy

c)

turns sugar into energy

d)

ALL OF THE ABOVE

60.

replication

a)

producing an exact copy

b)

making something similar

c)

not alike at all

61.

chromosomes

a)

nuclear envelope

b)

single molecule of DNA bonded to various proteins

c)

allows contraction and movement

62.

chromatid

a)

half a chromosome, two threadlike strands that each contain a double helix of DNA

b)

material of chromosomes, consists of protein from RNA and dna