Intro to Bio - Proctored Exam Flashcard

Question 1

What is the main energy molecule in the body?

Answer 1

ATP

Question 2

Crossing-over involves the exchange of genetic information between:

Answer 2

nonsister chromatids

Question 3

Which of the following occurs during the light reactions of photosynthesis?

Answer 3

NADPH Production

Question 4

How does mitosis in plant cells differ from that in animal cells?

Answer 4

Animals lack a cell plant and plant cells lack centrioles

Question 5

What is the correct order in which genes are expressed?

Answer 5

DNA -> RNA -> Proteins

Question 6

What is a characteristic of cancer cells?

Answer 6

They result in uncontrolled growth

Question 7

What is thigmotropism

Answer 7

Growth in response to touch

Question 8

During exponential growth, the rate of growth:

Answer 8

Starts slowly then accelerates

Question 9

Which atom contains 6 protons and electrons?

Answer 9

Carbon

Question 10

What does a receptor protein do?

Answer 10

Allows a specific molecule to bind to it because of its shape

Question 11

What are modifications that make organisms suited to their way of life?

Answer 11

Adaptations

Question 12

Which of the following organelles is part of the endomembrane system?

Answer 12

Golgi Apparatus

Question 13

Sunflowers belong to which Kingdom?

Answer 13

Plantae

Question 14

An insect is able to walk across the surface of a pond without sinking because of the

Answer 14

Surface tension of the water

Question 15

If you immerse a living cell in a hypertonic solution, water will

Answer 15

move out of the cell

Question 16

What have the potential to develop and specialize into any cell type, which means they’re

Answer 16

Totipotent, Embryonic stem cells

Question 17

Stating that an organisms is heterozygous is stating it

Answer 17

Genotype

Question 18

The phase of cell division in which chromosomes align on the spindle equator halfway between the spindle poles is

Answer 18

Metaphase

Question 19

In the evolutionary adaption sense, what is fitness

Answer 19

The reproductive success of an individual

Question 20

The distinction between protostomes and deuterostomes is based on differences in their

Answer 20

Embryological development

Question 21

Which of the following structure develops into a pollen grain?

Answer 21

Microspore

Question 22

What is a condition required for the Hardy-Weinberg principle to be in effect?

Answer 22

Random mating

Question 23

Which of the following is NOT an example of a service provided by beneficial bacteria?
A. Food Production
B. Nutrient Cycling
C. Bioaccumulation
D. Bioremediation

Answer 23

bioaccumulation

Question 24

During the life cycle of a plant, gametophyte is to n as sporophyte is to

Answer 24

2n

Question 25

In plants, what type of tissue is responsible for transporting water and nutrients

Answer 25

Vascular tissue

Question 26

Which of the following animals has a single-loop closed circulatory system

Answer 26

Fish

Question 27

Which structure transports sugars from leaves to the roots

Answer 27

Phloem

Question 28

What is an example of a renewable resource?

Answer 28

Wind, Solar, Water, Heat

Question 29

What will have a greater impact on a population as the density of that population increases?

Answer 29

Predation

Question 30

Study the following food chain: Grass -> Rabbits -> Snakes -> Hawks. From this food chain, you can correctly assume that each population

Answer 30

Supports the next trophic level

Question 31

Which pollutant is responsible for the increase in skin cancer?

Answer 31

chlorofluorocarbons

Question 32

What characteristic of a population increases with plentiful resources?

Answer 32

Population density

Question 33

Why might introduction of an exotic species disrupt an ecosystem

Answer 33

They can outcompete the native species

Question 34

What is NOT a domain of the 3 domain system?

Answer 34

Prokarya

Question 35

What is the name for all the chemical processes in the cell?

Answer 35

Metabolism

Question 36

Example of a monosaccharide?

Answer 36

Glucose

Question 37

Which of the following molecules is a byproduct of cellular respiration

Answer 37

water

Question 38

What structure surrounds the cytoplasm in a bacterial cell?

Answer 38

Plasma Membrane

Question 39

What is true of the scientific method?

Answer 39

it is an accepted explanation for how the world works

Question 40

Binomial name given to an organism is composed of

Answer 40

Genus, Species

Question 41

Nucleic acids are composed of monomers called

Answer 41

Nucleotides

Question 42

What occurs in the cristae of the mitochondria

Answer 42

Electron transport chain

Question 43

What does electronegativity mean?

Answer 43

Affinity for electrons in a covalent bond

Question 44

What chromosomes are found in pairs, one from father and mother?

Answer 44

Homologous

Question 45

Bacteria reproduce by

Answer 45

Binary Fission

Question 46

Autosomes are __ chromosomes

Answer 46

nonsex

Question 47

What holds the base pairs of DNA together?

Answer 47

Hydrogen Bonding

Question 48

What is an example of an X-linked recessive disorder?

Answer 48

Color Blindness

Question 49

A woman who isn't color blind but has an allele for color blindness reproduces with a man who has normal vision. What is the chance they'll have a colorblind daughter?

Answer 49

0%

Question 50

If a piece of DNA breaks off from a chromosome and attaches itself to a nonhomologous chromosome at another location, what type of change has occurred?

Answer 50

Translocation

Question 51

One parent has curly hair, one parent has straight hair, their child has wavy hair. This is an example of

Answer 51

Incomplete Dominance

Question 52

What are the proteins that DNA is wound around to form chromosomes?

Answer 52

Histones

Question 53

2 organisms, each with the genotype TtGg, mate. The chance of producing offspring that has the dominant phenotype for height (T) and the recessive phenotype color (g) is

Answer 53

3/16

Question 54

Which of these is happening when translocation takes place?

Answer 54

tRNA are bringing amino acids to the ribosomes

Question 55

If a cell has 46 chromosomes, how many will it have after meiosis?

Answer 55

23

Question 56

Both insects and roundworms exhibit _ whereas sponges, snails and leeches do not

Answer 56

Molting during growth

Question 57

Fungi are considered to be more closely related to animals instead of plants because they

Answer 57

Can't make their own food

Question 58

__ isolation occurs when 2 species occupy different habitats within the same geographical range

Answer 58

Habitat isolation

Question 59

In evolution, the study of vertebrae forelimbs is related to __ evidence

Answer 59

Anatomical Evidence

Question 60

What happens when previous adaptations are no longer suitable for changes in the environment?

Answer 60

Extinction

Question 61

Which of the following is an example of a group of prokaryotic organisms?

Answer 61

Archaea

Question 62

Darwin argued that the beak size and shape of Galapagos Finch species was related to their

Answer 62

Food Source

Question 63

The most diverse and prevalent organisms on earth are

Answer 63

Bacteria

Question 64

Angiosperms may use any of the following to disperse pollen except

Answer 64

Water

Question 65

Which of the following is not a form of genetic recombination in bacteria?

Answer 65

Binary Fission

Question 66

The tail bones of humans is an example of __ structure

Answer 66

Vestigial

Question 67

According to the theory of evolution, birds feathers evolved from

Answer 67

Reptile scales

Question 68

__ capture their prey with a ring of stinging tentacles

Answer 68

Cnidarians

Question 69

What organism can live in hot springs and thermal vents

Answer 69

Archaea

Question 70

Which nutrient is not a source of energy for the body?

Answer 70

Vitamins

Question 71

What type of reproduction shuffles the genes?

Answer 71

Sexual

Question 72

How many cotyledons would be found in a flowering plant with 9 petals on each flower and long leaves with parallel leaf veins

Answer 72

One

Question 73

What is the pathway of blood flow in a closed circulatory system?

Answer 73

Heart, Arteries, Capillaries, Veins

Question 74

What chamber of the heart receives blood from the pulmonary veins

Answer 74

Left Atrium

Question 75

During development, an embryo is embedded in the

Answer 75

Endometrium

Question 76

What would cause a plant to grow taller

Answer 76

Gibberellins

Question 77

During transpiration, water exits the leaf via

Answer 77

The stomata

Question 78

Which of the following is the largest?

Answer 78

Bronchi

Question 79

Annual rings in woody stems are caused by an increase in rings of the

Answer 79

Secondary Xylem

Question 80

Too much calcium in a persons diet may result in

Answer 80

Kidney Stones

Question 81

In plants, the purpose of auxins is to

Answer 81

bring about apical dominance

Question 82

What happens when the lungs recoil

Answer 82

Expiration

Question 83

Invitro fertilization takes place in

Answer 83

a Laboratory

Question 84

What is the internal lining of many organ called?

Answer 84

Epithelium

Question 85

__ the science of observing and describing organisms in their environment paired with experimental science?

Answer 85

Ecology

Question 86

The most common cause of desertification is

Answer 86

Overgrazing

Question 87

A complex of interconnected food chains in an ecosystem is called a/an

Answer 87

Food wed

Question 88

What is NOT a renewable source of energy?

Answer 88

Nuclear

Question 89

What is one result of the "Green Revolution"

Answer 89

An increase in the yield of crops for less developed countries

Question 90

Environmental impact of a population includes all of the following except

Answer 90

Predation

Question 91

Which one of the following phrases describes many countries within Asia and Africa?

Answer 91

LDC's experiencing rapid population growth

Question 92

Completation, predation, and parasitism are __ factors in influencing population growth

Answer 92

Density dependent

Question 93

Which one of the following is an example of a resource partitioning?

Answer 93

2 species of squirrels - one eats acorns from the branches and one eats acorns that have fallen to the ground

Question 94

A species particular position in the community is its

Answer 94

Niche

Question 95

What is the correct definition of carrying capacity?

Answer 95

The number of individuals an environment can sustain