PENN FOSTER BIOLOGY EXAM: 170+
QUESTIONS AND 100% VERIFIED ANSWERS /
GRADED A+ / GUARANTEED PASS!!
_______ aids in the growth and development of an organism and replaces old and
injured cells.
- answer-Mitosis
_______ are a group of protostome animals that include flatworms, mollusks, and
annelids.
- answer-Lophotrochozoans
_______ are animals with repeating segments that exhibit bilateral symmetry.
- answer-Annelids
_______ are naturally occurring organisms that have been genetically modified for
various purposes.
- answer-Transgenic organisms
_______ are self-feeders that depend on sunlight to split water and for the
reduction of carbon dioxide.
- answer-Photoautotrophs
_______ are tiny noncellular organic systems that have some properties of living
things, but are not classified as living organisms
- answer-Viruses
_______ cloning refers to producing cells that might be used to repair tissue
injuries.
- answer-Therapeutic
_______ conducted experiments with pea plants to try to determine just how parent
genes are transmitted to offspring.
- answer-Mendel
,_______ is a branch of biology concerned with identifying, naming, and
classifying organisms.
- answer-Taxonomy
_______ is a DNA sequence that controls transcription in a prokaryote.
- answer-Operon
_______ is a type of cell division in which the number of chromosomes is reduced
in half from the diploid number to the haploid number.
- answer-Meiosis
_______ is an example of a CAM plant.
- answer-Pineapple
_______ is crucial to the development of new drugs.
- answer-Proteomics
_______ is the idea that the first eukaryotic cells arose from beneficial associations
between primitive eukaryotes and bacteria.
- answer-Endosymbiotic theory
_______ is the movement of water across a semipermeable membrane from an
area of higher concentration to an area of lesser concentration.
- answer-Osmosis
_______ is the process of transferring normal or modified genes into an individual
in an attempt to correct some type of genetic defect.
- answer-Gene therapy
_______ is the second phase of gene expression.
- answer-Translation
_______ is the study of distribution of plants and animal species.
- answer-Biogeography
_______ is the transmission of characteristics from one generation to the next.
- answer-Heredity
, _______ occurs in cells especially set aside for reproduction, but not in somatic
cells.
- answer-Meiosis
_______ occurs when alleles are exchanged between migrating populations of the
same species.
- answer-Gene Flow
_______ proteins are made of polypeptide chains folded into rounded compact
shapes.
- answer-Globular
_______ selection is a type of natural selection that results in adaptive changes that
leads to in increase in the ability to attract and secure a mate.
- answer-Sexual
_______ selection occurs when two or more extreme phenotypes are favored over
intermediate types.
- answer-Disruptive
________ is considered to be a disease of the cell cycle and results from errors in
the signals that control the cell cycle.
- answer-Cancer
_________ act as a carrier for foreign DNA.
- answer-Vectors
94% of ________ in the United States are genetically engineered.
- answer-Soybeans
A _______ can be used to test DNA samples for known disease-causing mutated
alleles.
- answer-DNA microarray
A _______ is a repeating DNA sequence found on the ends of chromosomes that
acts as a "cap" that encourages chromosomal stability.
- answer-Telomere
A _______ is a rod-shaped prokaryotic cell.
- answer-Bacillus
QUESTIONS AND 100% VERIFIED ANSWERS /
GRADED A+ / GUARANTEED PASS!!
_______ aids in the growth and development of an organism and replaces old and
injured cells.
- answer-Mitosis
_______ are a group of protostome animals that include flatworms, mollusks, and
annelids.
- answer-Lophotrochozoans
_______ are animals with repeating segments that exhibit bilateral symmetry.
- answer-Annelids
_______ are naturally occurring organisms that have been genetically modified for
various purposes.
- answer-Transgenic organisms
_______ are self-feeders that depend on sunlight to split water and for the
reduction of carbon dioxide.
- answer-Photoautotrophs
_______ are tiny noncellular organic systems that have some properties of living
things, but are not classified as living organisms
- answer-Viruses
_______ cloning refers to producing cells that might be used to repair tissue
injuries.
- answer-Therapeutic
_______ conducted experiments with pea plants to try to determine just how parent
genes are transmitted to offspring.
- answer-Mendel
,_______ is a branch of biology concerned with identifying, naming, and
classifying organisms.
- answer-Taxonomy
_______ is a DNA sequence that controls transcription in a prokaryote.
- answer-Operon
_______ is a type of cell division in which the number of chromosomes is reduced
in half from the diploid number to the haploid number.
- answer-Meiosis
_______ is an example of a CAM plant.
- answer-Pineapple
_______ is crucial to the development of new drugs.
- answer-Proteomics
_______ is the idea that the first eukaryotic cells arose from beneficial associations
between primitive eukaryotes and bacteria.
- answer-Endosymbiotic theory
_______ is the movement of water across a semipermeable membrane from an
area of higher concentration to an area of lesser concentration.
- answer-Osmosis
_______ is the process of transferring normal or modified genes into an individual
in an attempt to correct some type of genetic defect.
- answer-Gene therapy
_______ is the second phase of gene expression.
- answer-Translation
_______ is the study of distribution of plants and animal species.
- answer-Biogeography
_______ is the transmission of characteristics from one generation to the next.
- answer-Heredity
, _______ occurs in cells especially set aside for reproduction, but not in somatic
cells.
- answer-Meiosis
_______ occurs when alleles are exchanged between migrating populations of the
same species.
- answer-Gene Flow
_______ proteins are made of polypeptide chains folded into rounded compact
shapes.
- answer-Globular
_______ selection is a type of natural selection that results in adaptive changes that
leads to in increase in the ability to attract and secure a mate.
- answer-Sexual
_______ selection occurs when two or more extreme phenotypes are favored over
intermediate types.
- answer-Disruptive
________ is considered to be a disease of the cell cycle and results from errors in
the signals that control the cell cycle.
- answer-Cancer
_________ act as a carrier for foreign DNA.
- answer-Vectors
94% of ________ in the United States are genetically engineered.
- answer-Soybeans
A _______ can be used to test DNA samples for known disease-causing mutated
alleles.
- answer-DNA microarray
A _______ is a repeating DNA sequence found on the ends of chromosomes that
acts as a "cap" that encourages chromosomal stability.
- answer-Telomere
A _______ is a rod-shaped prokaryotic cell.
- answer-Bacillus
