Science Midterms

Front 1

_____ is defined as the amount of space something occupies

Back 1

volume

Front 2

a life scientist would use a ____ _____ ______ to magnify a living specimen

Back 2

compound light microscope

Front 3

a scientist who wants to study the possible side effects of a new medicine would probably _____

Back 3

include a control group that received no medicine

Front 4

what tool would a life scientist use to obtain a detailed image of the nerves that branch off a person's spinal chord?

Back 4

an MRI

Front 5

an advantage of using the international system of units is that it

Back 5

gives scientists a common way to share their results

Front 6

in a scientific experiment, a hypothesis that cannot be tested is always considered to be

Back 6

not useful

Front 7

in the cell membrane, ________ molecules form two layers

Back 7

phospholid

Front 8

_______ _____ are sometimes called the blueprints of life

Back 8

nucleic acids

Front 9

_______ refers to all of the chemical activities that an organism's cells perform

Back 9

metabolism

Front 10

______ is a complex carbohydrate manufactured by plants

Back 10

starch

Front 11

the molecule that provides energy for cellular processes is ____

Back 11

ATP

Front 12

the subunits of proteins are ______ ______

Back 12

amino acids

Front 13

cells do not use ______ ______ for energy storage

Back 13

nucleic acids

Front 14

______ are not the primary source of energy for cells

Back 14

proteins

Front 15

"all cells have a nucleus and a cell membrane" is part of the cell theory (true or false)

Back 15

false

Front 16

lysosomes aren't found in plant cells (true or false)

Back 16

true

Front 17

______ contains cellulose

Back 17

all plant cells

Front 18

which part of the cell manufactures lipids?

Back 18

endoplasmic reticulum

Front 19

materials that are to be released outside the cell are transported to the cell membrane in a small compartment that has pinched off the ________ __________

Back 19

Golgi complex

Front 20

________ are made of various tissues that work together to perform a specific job

Back 20

Organs

Front 21

the role of the cell's _________ is to release energy that can be used to power various cellular processes

Back 21

mitochondria

Front 22

unlike animal cells, plant cells have _________ to capture energy from the sun

Back 22

chloroplasts

Front 23

DNA, the genetic material of a eukaryotic cell, is located in the cell's _______

Back 23

nucleus

Front 24

cells that have no membrane covered organelles are _________

Back 24

prokaryotic

Front 25

a part of the Golgi complex can pinch off and form a __________, which contains digesting enzymes

Back 25

lysosome

Front 26

_______ is the random movement of particles from an area of high concentration to an area of low concentration

Back 26

diffusion

Front 27

food molecules that are too large to pass easily through the cell membrane can enter the cell by __________

Back 27

endocytosis

Front 28

human body cells have 23 pairs of ___________ _____________

Back 28

homologous chromosomes

Front 29

the process of cell division in a bacterial cell is called _________ _________

Back 29

binary fission

Front 30

food particles move through proteins in the cell membrane without using energy in a process called __________ _________

Back 30

passive transport

Front 31

when wilted celery is soaked in water, it becomes crisp again due to _________

Back 31

osmosis

Front 32

fermentation in animal cells produces __________ _______ and __________

Back 32

lactic acid and ATP

Front 33

oxygen is used to break down food molecules and release energy in a process called

Back 33

cellular respiration

Front 34

_______ is a product of photosynthesis

Back 34

glucose

Front 35

________ isn't used to make glucose in photosynthesis

Back 35

oxygen

Front 36

the physical expression of an organism's genes is its _________

Back 36

phenotype

Front 37

a ______ _______ plant produces offspring with the same traits as the parent

Back 37

true breeding

Front 38

each parent donates a set of instructions, known as _____, to its offspring

Back 38

genes

Front 39

when Mendel performed genetic crosses the traits that seemed to vanish were _________________

Back 39

recessive traits

Front 40

eggs and sperm are ____________

Back 40

sex cells

Front 41

__________ may be dominant or recessive

Back 41

alleles

Front 42

if you cross two rabbits that have the same genotype Bb, how many possible genotypes can be found in the offspring?

Back 42

three

Front 43

how many chromosomes are present in a normal human sex cell?

Back 43

23

Front 44

if a purple flower with the genotype Pp (P=purple, p=white) self pollinates, the ratio of purple offspring to white offspring would be

Back 44

three purple: one white

Front 45

probability is -

Back 45

the mathematical event that something will occur

Front 46

genes are composed of subunits known as __________

Back 46

ribosomses

Front 47

chargaff's rules state that the amount of ______ in DNA is always equal to the amount of guanine

Back 47

cytosine

Front 48

__________________________ allows scientists to transfer genes from one organism to another

Back 48

genetic engineering

Front 49

________________ is a tool for tracing a genetic trait through generations of a family

Back 49

a pedigree

Front 50

examples of chemical _________ include asbestos and chemicals found in cigarette smoke

Back 50

mutagens

Front 51

the code for a given amino acid consists of _________ bases

Back 51

three

Front 52

what materials make up each nucleotide in a DNA molecule?

Back 52

sugar, phosphate, and a base

Front 53

most genetic disorders, such as sickle cell anemia, are due to a ___________

Back 53

recessive gene

Front 54

what could cause sickle cell anemia?

Back 54

a change in the order of bases in a person's DNA

Front 55

a pine tree is a member of the kingdom _______

Back 55

plantae

Front 56

some members of the kingdom protista

Back 56

have flagella

Front 57

linnaeus is known for

Back 57

founding the science of taxonomy

Front 58

eubacteria don't -

Back 58

live in hot springs

Front 59

some organisms in the kingdom ___________ are able to live inside the human body

Back 59

eubacteria