Mid-Term Review Cards

Front 1

scientists often use experiments to test their ________, which arre possible explanations for observations.

Back 1

Hypothesis

Front 2

________ is defined as the amount of space something occupies.

Back 2

Volume

Front 3

A life scientist would use a(n) _________________________________ to magnify a living specimen.

Back 3

compound light microscope.

Front 4

A set of related hypotheses that are supported by evidence may become accepted as a ______.

Back 4

Theory

Front 5

__________ is the use of knowledge, tools, and materials to solve problems and accomplish tasks.

Back 5

Technology.

Front 6

What areas would you find a life scientist at work.

Back 6

studying how wasps could be used to control fire ant populations

Front 7

When researchers use the scientific method, they should

Back 7

repeat or switch the order of steps as needed

Front 8

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

Back 8

include a control group that received no medicine.

Front 9

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

Back 9

an MRI

Front 10

An advantage of using the International System of Units is that it

Back 10

gives scientists a common way to share their results

Front 11

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

Back 11

not useful

Front 12

A _______ object contains the same amount of matter as a 10 kg object

Back 12

10,000 g

Front 13

In the cell membrane, _________ molecules form two layers.

Back 13

phosphilipid.

Front 14

When a planarian worm is cut in half, each half develops into a whole worm. This is an example of _______ reproduction.

Back 14

asexual

Front 15

________ _____ are sometimes called the blueprints of life.

Back 15

Nucleic Acids

Front 16

________ is the passing of traits from one generation to the next.

Back 16

Heredity

Front 17

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

Back 17

Metabolism

Front 18

______is a complex carbohydrate manufactured by plants.

Back 18

Starch

Front 19

When a duck dives under water, its inner eyelids automatically raise to cover the duck's eyes. In this case, wawter acts as

Back 19

a stimulus

Front 20

THe molecule that provides energy for cellular processes is

Back 20

ATP

Front 21

The subunits of proteins are

Back 21

amino acids

Front 22

Cells do not use _____ for energy storage.

Back 22

nucleic acids

Front 23

What is NOT true of proteins?
A) they are a component of spider webs.
B) they protect cells from foreign material.
C) they are the primary source of energy for cells.
D) they speed up chemical reactions

Back 23

C) They are the primary source of energy for cells.

Front 24

What statement is Not part of the cell theory?
a. the most basic component of any organism is the cell.
b. all cells originate from other cells.
c. al cells have a nucleus and a cell membrane.
d. all living things are made up of one or more cells.

Back 24

c. all cells have a nucleus and a cell membrane.

Front 25

A life scientist who observes the relationships between plants, animals, weather, and soil on a mountain top is studying a(n)

Back 25

ecosystem

Front 26

Lysosome

Back 26

is not found in plant cells

Front 27

all plant cells....

Back 27

contain cellulose

Front 28

which part of a cell manufactures lipids?

Back 28

endoplasmic reticulum.

Front 29

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 29

Golgi Complex

Front 30

Bacteria...

Back 30

do NOt hav an endoplasmic reticulum.

Front 31

______ are made up of various tissues that work together to perform a specific job.

Back 31

Organs

Front 32

The role of the cell's ________ is to release energy that can be used to power varoius cellular processes

Back 32

mitochondria

Front 33

Unlike animal cells, plant cells have ___________ to capture energy from the sun.

Back 33

chloroplasts

Front 34

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

Back 34

nucleus

Front 35

Cells that have no membrane-covered organelles are __________.

Back 35

prokaryotic

Front 36

A part of the Golgi Complex can pinch off and form a _______, which contains digesting enzymes.

Back 36

lysosomes

Front 37

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

Back 37

Diffusion

Front 38

Plants produce their own food by the process of

Back 38

photosynthesis

Front 39

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

Back 39

endocytosis

Front 40

Human body cells have 23 pairs of

Back 40

homologous chromosomes

Front 41

The process of cell division in a bacterial cell is called

Back 41

binary fission

Front 42

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

Back 42

passive transport

Front 43

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

Back 43

osmosis

Front 44

Fermentation in animal cells produces

Back 44

lactic acid and ATP

Front 45

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

Back 45

cellular respiration.

Front 46

Glucose

Back 46

is a product of photosynthesis

Front 47

02

Back 47

is NOT used to make glucose in photosynthesis

Front 48

A ____ ________ plant produces offspring with the same traits as the parent

Back 48

true breeding

Front 49

The physical expression of an organism's genes is its ________.

Back 49

phenotype

Front 50

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

Back 50

genes

Front 51

When Mendel performed genetic crosses, the traits that seemed to vanish were _________ ______.

Back 51

recessive traits

Front 52

Eggs and sperm are ___ _____.

Back 52

Sex Cells

Front 53

The may be dominant or recessive.

Back 53

alleles

Front 54

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

Back 54

three

Front 55

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

Back 55

23

Front 56

IF a purple flower witht he genotyp Pp (P=purple, p= white) self-pollinates, the ratio of a purple offspring to white offspring would be

Back 56

3 purple: 1 white

Front 57

Probability is

Back 57

the mathematical chance that an even will occur

Front 58

A pine tree is a member of the kingdom

Back 58

plantae

Front 59

some members of the kingdom Protista

Back 59

have flagella

Front 60

the seven levels of classification, from general to specific, are:

Back 60

kingdom, phylum class order family genus species

Front 61

linnaeus is known for

Back 61

founding the science of taxonomy

Front 62

organisms in the kingdom ____ usually move by themselves and have advanced nervous systems that allow them to respond to their environment

Back 62

animalia

Front 63

the scientific name for the common house cat is Felis domesticus. what is it's species name?

Back 63

domesticus

Front 64

eubacteria do NOt

Back 64

live in hot springs

Front 65

fungi obtain nutrients by

Back 65

absorbing them from their surroudings

Front 66

members of the kindgom _____include such organisms as the mold that grows on bread

Back 66

fungi

Front 67

orders of organisms are further broken down into

Back 67

families

Front 68

two organisms that are in the same class will also be in the same

Back 68

phylum

Front 69

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

Back 69

eubacteria

Front 70

genes are composed of subunits know as

Back 70

nucleotides

Front 71

chargaff's rules stat ethat the amount of _____ in DNA is always equal to the amount of guanine

Back 71

cytosine

Front 72

genetic engineering

Back 72

allows scientists to transfer genes from one organism to another

Front 73

a pedigree

Back 73

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

Front 74

a pedigree

Back 74

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

Front 75

examples of chemical ________ include asbestos and chemicals found in cigarette smoke.

Back 75

mutagens

Front 76

THe code for a given amino acid consists of _______ bases

Back 76

three

Front 77

what materials make up each nucleotide ina dna molecule?

Back 77

a sugar, a phosphate, and a base

Front 78

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

Back 78

recessive gene

Front 79

the complementary strand to the DNA sequence TAGTCA would be

Back 79

ATCAGT

Front 80

the environment has no influnce on a person's traits, (true or false)

Back 80

false

Front 81

genetic engineering is currently used to

Back 81

genetically alter plants, manufacture proteins, and repair damaged ge

Front 82

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

Back 82

sickle cell amenia

Front 83

scientists often use experiments to test their ___________ which are possible explanations for observations

Back 83

hypothesis

Front 84

volume

Back 84

is defined as the amount of space something occupies

Front 85

a life scients would use a compound light microscope to

Back 85

magnify a living specimen

Front 86

a set of related hypothesis that are supported by evidence may become accepted as a

Back 86

theory

Front 87

technology

Back 87

is the use of knowledge, tools, and materials to solve problems and accomplish tasks