Penn Foster Intro to Biology Proctored Exam-2024
Update.
Which of the following is NOT a domain of the 3 domain system? - Correct Answer
Prokarya
An atom of which of the following elements contains 6 protons and electrons? - Correct
Answer Carbon
___ is the name for all the chemical processes in the cell. - Correct Answer Metabolism
What does a receptor protein do? - Correct Answer Allows a specific molecule to bind to
it because of its shape
___ are modifications that make organisms suited to their way of life. - Correct Answer
Adaptations
Example of a monosaccharide - Correct Answer Glucose
What is the MAIN energy molecule in the body? - Correct Answer ATP
Which of the following molecules is a byproduct of cellular respiration? - Correct Answer
Water
Which of the following organelles is part of the endomembrane system? - Correct
Answer Golgi Apparatus
Sunflowers belong to which Kingdom? - Correct Answer Plantae
An insect is able to walk across the surface of a pond without sinking because of the: -
Correct Answer Surface tension of the water
Which of the following structures surrounds the cytoplasm in a bacterial cell? - Correct
Answer Plasma membrane
Which of the following is TRUE of the scientific method? - Correct Answer Accepted
explanation for how the world works
Binomial name given to an organism is composed of: - Correct Answer Genus, Species
Crossing-over involves the exchange of genetic information between: - Correct Answer
Nonsister chromatids
Nucleic acids are composed of monomers called: - Correct Answer Nucleotides
, Which of the following occurs in the cristae of the mitochondria? - Correct Answer
Electron transport chain
What does electronegativity mean? - Correct Answer Affinity for electrons in a covalent
bond
If you immerse a living cell in a hypertonic solution, water will: - Correct Answer Move
out of the cell
Which of the following occurs during the light reactions of photosynthesis? - Correct
Answer NADPH production
___ chromosomes are found in pairs, one from father and mother - Correct Answer
Homologus
Bacteria reproduce by: - Correct Answer Binary Fission
Autosomes are ___ chromosomes - Correct Answer Nonsex
What holds the base pairs of DNA together? - Correct Answer Hydrogen bonding
Which of the following is an x-linked recessive disorder? - Correct Answer Color-
blindness
How does mitosis in plant cells differ from that in animal cells? - Correct Answer
Animals lack a cell plate and plant cells lack centrioles
___ have the potential to develop and specialize into any cell type, which means they're:
- Correct Answer Totipotent, Embryotic stem cells
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? -
Correct Answer 0%
Which of the following shows the correct order in which genes are expressed? - Correct
Answer DNA -> RNA -> Proteins
Stating that an organism is heterozygous is stating its: - Correct Answer Genotype
The phase of cell division in which chromosomes align on the spindle equator halfway
between the spindle poles is: - Correct Answer Metaphase
If a piece of DNA breaks off from a chromosome and attaches itself to a nonhomologus
chromosome at another location, what type of change has occurred? - Correct Answer
Translocation
Update.
Which of the following is NOT a domain of the 3 domain system? - Correct Answer
Prokarya
An atom of which of the following elements contains 6 protons and electrons? - Correct
Answer Carbon
___ is the name for all the chemical processes in the cell. - Correct Answer Metabolism
What does a receptor protein do? - Correct Answer Allows a specific molecule to bind to
it because of its shape
___ are modifications that make organisms suited to their way of life. - Correct Answer
Adaptations
Example of a monosaccharide - Correct Answer Glucose
What is the MAIN energy molecule in the body? - Correct Answer ATP
Which of the following molecules is a byproduct of cellular respiration? - Correct Answer
Water
Which of the following organelles is part of the endomembrane system? - Correct
Answer Golgi Apparatus
Sunflowers belong to which Kingdom? - Correct Answer Plantae
An insect is able to walk across the surface of a pond without sinking because of the: -
Correct Answer Surface tension of the water
Which of the following structures surrounds the cytoplasm in a bacterial cell? - Correct
Answer Plasma membrane
Which of the following is TRUE of the scientific method? - Correct Answer Accepted
explanation for how the world works
Binomial name given to an organism is composed of: - Correct Answer Genus, Species
Crossing-over involves the exchange of genetic information between: - Correct Answer
Nonsister chromatids
Nucleic acids are composed of monomers called: - Correct Answer Nucleotides
, Which of the following occurs in the cristae of the mitochondria? - Correct Answer
Electron transport chain
What does electronegativity mean? - Correct Answer Affinity for electrons in a covalent
bond
If you immerse a living cell in a hypertonic solution, water will: - Correct Answer Move
out of the cell
Which of the following occurs during the light reactions of photosynthesis? - Correct
Answer NADPH production
___ chromosomes are found in pairs, one from father and mother - Correct Answer
Homologus
Bacteria reproduce by: - Correct Answer Binary Fission
Autosomes are ___ chromosomes - Correct Answer Nonsex
What holds the base pairs of DNA together? - Correct Answer Hydrogen bonding
Which of the following is an x-linked recessive disorder? - Correct Answer Color-
blindness
How does mitosis in plant cells differ from that in animal cells? - Correct Answer
Animals lack a cell plate and plant cells lack centrioles
___ have the potential to develop and specialize into any cell type, which means they're:
- Correct Answer Totipotent, Embryotic stem cells
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? -
Correct Answer 0%
Which of the following shows the correct order in which genes are expressed? - Correct
Answer DNA -> RNA -> Proteins
Stating that an organism is heterozygous is stating its: - Correct Answer Genotype
The phase of cell division in which chromosomes align on the spindle equator halfway
between the spindle poles is: - Correct Answer Metaphase
If a piece of DNA breaks off from a chromosome and attaches itself to a nonhomologus
chromosome at another location, what type of change has occurred? - Correct Answer
Translocation
