Peterson's Natural Science Clep

Front 1

Photosynthesis is a process in which plants convert

Back 1

Carbon dioxide and water into sugar

Front 2

Chloroplasts and mitochondria have the following property in common

Back 2

Both are involved in energy generation in the cell

Front 3

In cellular respiration

Back 3

Glucose is broken down and energy is created in the form of ATP

Front 4

Which of the following is found in Prokaryotic cells only

Back 4

Nucleoid region

Front 5

Proteins are synthesized on

Back 5

Ribosomes

Front 6

Chromatin consists of

Back 6

DNA and proteins

Front 7

The first step in cell division is

Back 7

Duplication of the chromosomes

Front 8

An animal cell contains M chromosomes after mitotic cell division, each daughter cell contains ________ chromosomes

Back 8

M

Front 9

Cancer cells are characterized by

Back 9

Not exhibiting contact inhibition

Front 10

The sequence from Gene to protein eukaryotic cells is

Back 10

DNA RNA ribosomes Golgi apparatus

Front 11

The genetic code is

Back 11

Universal for all living organisms

Front 12

DNA and RNA have all the following in common except

Back 12

Double helix structure

Front 13

If a plant that is heterozygous for the flower position trait is fertilized with a plant that is homozygous for the recessive flower position trait What proportion of The Offspring will be heterozygous for the trait

Back 13

50%

Front 14

If a plant that is heterozygous for seed shape and stem traits self-fertilizes the proportion of offspring that will be homozygous for both traits is

Back 14

1/16

Front 15

Pants with phenotype round seed shape and tall stem length only fertilized with plants of wrinkled seed shape and dwarf stem length and the same fertilization pattern is followed for the successive Generations which of the following statements is true

Back 15

The frequencies of the recessive genes will increase

Front 16

When a red Snapdragon flower is pollinated using pollen from a white Snapdragon the following number of flowers and colors is observed 23 red 20 white 57 pink the genotype of the pink flower is

Back 16

RW

Front 17

Parents with blood types A&B have an offspring with type A blood what are the probable genotypes of the parents

Back 17

AO BO

Front 18

The gene for a lethal is carried on the X chromosome what is the probability that a woman who is the carrier passes this gene to her son

Back 18

50%

Front 19

Which of the following issue types covers the outside of the body and lines the internal organs and Cavities

Back 19

Epithelial cells cover the outside of the body and line the internal organs and Cavities

Front 20

Which of the following issue types that sends signals throughout the body

Back 20

Nervous

Front 21

Which of the following tissue types is responsible for contractions that move food along the intestine

Back 21

Smooth muscle contractions move food along the digestive tract via peristalsis

Front 22

Blood consists of the following tissue types except

Back 22

Collagen

Front 23

Difference sell types have

Back 23

All cells contain a complete copy of DNA. Only some of the genes are expressed in the different cell types

Front 24

What animal has radial symmetry

Back 24

Starfish

Front 25

Which of the following would not be found in an animal with bilateral symmetry

Back 25

3 axes of symmetry

Front 26

Which of the following is not a neurotransmitters

Back 26

Caffeine

Front 27

Allergies occur when

Back 27

The immune system lunches an inflammatory response

Front 28

In a tryptophan- rich environment it is noticed the genes that code for proteins important in the bacteria in the metabolic production of tryptophan are turned off. The bacteria are not producing tryptophan. In this example, tryptophan

Back 28

Acts via negative feedback loop

Front 29

Select the arrangement that list of items from smallest to largest components

Back 29

Organelle, cell, tissues, organ

Front 30

Which organ is involved in filtering waste from the body.

Back 30

Kidneys

Front 31

Sperm Zygote Gastrula

Back 31

Meiosis fertilization mitosis

Front 32

It cone shares ______ of its genetic material with its parent

Back 32

100%

Front 33

The role of hemoglobin is to carry ____ from the lungs to the tissues and _____ back to the lungs

Back 33

Oxygen, carbon dioxide

Front 34

Which of the following systems is responsible for producing antibodies to fight infections

Back 34

Immune system

Front 35

Which of the following does not act to increase genetic diversity

Back 35

Sexual reproduction

Front 36

Darwin's theory of evolution can do described best by

Back 36

Decent with modification

Front 37

Which of the following is it example of a human activity that has decreased bio diversity

Back 37

Equal systems are compose of in environment and the community of Clinton animals that live there

Front 38

The breathing of resources is in example of

Back 38

Selective breeding

Front 39

Genetic tests can resolve ambiguous about whether a trait is homologous or analogous because

Back 39

The closer the DNA base sequence the more likely two genes originate from a common ancestor

Front 40

The bottleneck effect occurs when natural disasters such a as earthquakes or floods drastically reduce the size of a population. Which of the following best describes the resulting effect on the gene pool of those surviving population

Back 40

The surviving population is not representative of the original population in its genetic makeup

Front 41

Which order incorrectly represents the appearance of these types of organisms from oldest to the most recent

Back 41

Marine invertebrate, land plants, reptiles mammals

Front 42

The common scientific name for the red maple tree is a Acer rubrum. This name includes which of the following classification divisions

Back 42

Genius, species

Front 43

To organisms are more later if they share a bunch of the following classification division

Back 43

Family

Front 44

Natural selection?

Back 44

Bacteria inherited characteristics that allow them to survive and more effectively reproduce is an example of natural selection

Front 45

Coevolution

Back 45

Many fruit eating birds coevolve with the plants who's fruits they eat. the birds get nourishment and in the process the plants get there digestion-resistant seeds dispersed along with the birds droppings

Front 46

What's in example of a primary producer

Back 46

Primary producers are the first step in the food chain these are plants that you utilize sunlight to produce sugar via photosynthesis

Front 47

What is true about a community that has a high diversity

Back 47

Communities with high levels of diversity are more stable and complex. the increased diversity typically allows these communities to better cope with changes in there environmental factors

Front 48

Abiotic factors

Back 48

Are Non living factors

Front 49

The abiotic environment and biotic community together make up a/an

Back 49

Ecosystems are composed of an environment and the community of plants and animals that live there

Front 50

Which type of organisms comprises the largest amount of biomass in the energy pyramid

Back 50

Producers are at the base of the energy pyramid these producers consist of predominantly green plants that harness the energy from the Sun to feel the process of photosynthesis which converts carbon dioxide and water into sugar

Front 51

Half of all species on earth are contain in the

Back 51

Tropical rainforest contain the highest level of bio-Diversey with 50% of all species

Front 52

Humans contribute to the extinction of species by

Back 52

Habitat reduction in modification overexploitation

introduction of exotic species