BIOLOGY PROCTORED EXAM PENN FOSTER ACTUAL EXAM/ LATEST UPDATE 2025 WITH 200 QUESTIONS AND CORRECT ANSWERS (VERIFIED ANSWERS)|A+GRADE

BIOLOGY PROCTOREDBIOLOGY PROCTORED
EXAM PENN EXAM
FOSTER ACTUAL
PENN
EXAM/ FOSTER
LATEST ACTUAL
UPDATE EXAM/
2025 WITHLATEST UPDATE 2025
200 QUESTIONS AND
WITH 200
CORRECT QUESTIONS
ANSWERS AND CORRECT
(VERIFIED ANSWERS
ANSWERS)|A+GRADE
(VERIFIED ANSWERS)|A+GRADE


Characteristics of living things HY HY HY HY




- Correct Answer-
HY HY




-All are composed of cells
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-All obtain energy and use it to develop
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-Can sense changes in the environment and adjust in response to change
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-Exhibit modifications that represent adaptations to their environment
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Levels of Biological Organization
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- Correct Answer-
HY HY




atom, molecule, organelle, cell,tissue, organ, organ system, organism
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Y HY HY HY HY




How are organisms classified?
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- Correct Answer-
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on the basis of theirevolutionary/genetic relatedness
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Y HY




What is the scientific method? What is it's importance in biological sciences?
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- CorrectAnswer-
HY H
Y




Process used to validate observations while minimizing observer bias
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It's goal is for research to be conduced in a fair, unbiased and repeatable manner.
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,Thebest way to discover how and why the world works
H
Y HY HY HY HY HY HY HY HY HY




What is matter? HY HY HY




- Correct Answer-Anything that has mass and takes up space
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What is an atom? HY HY HY




HY - Correct Answer-
HY HY




smallest unit of matter that retains all the chemical properties of an element. The
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y combine to form molecules which then form into a solid,gas or liquid
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Y HY HY




What is the structure of an atom?
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- Correct Answer-
HY HY




Nucleus in the center that containsprotons (positively charged) and neutrons (n
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Y HY HY HY HY HY




o charge). The outermost region is called an electron shell that contain the elect
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rons (negatively charged)
HY HY




What is an ionic bond?
HY HY HY HY HY




- Correct Answer-
HY HY




A chemical bond that's formed when an atomtransfers and electron to another At
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Y HY HY HY HY HY




om



What is a covalent bond?
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- Correct Answer-
HY HY HY




Results when 2 atoms share electrons inorder to have a completed outer shell
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Y HY HY HY HY HY HY




What is a double covalent bond?
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- Correct Answer-Occurs when 2 atoms share 2 pairsof electroms
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Y HY




In order to be an organic molecule it must contain what?
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HY - Correct Answer-Carbon andhydrogen
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Y

,What are the main groups of organic molecules that build cells and their parts?
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- CorrectAnswer-Carbohydrates, proteins, lipids, nucleic acid
HY H
Y HY HY HY HY




What are the properties of water?
HY HY HY HY HY HY




- Correct Answer-Its attraction to polar molecules.High-specific heat.
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Y HY




High heat of vaporizatioHY HY HY




n.The lower density of ic
H
Y HY HY HY HY




e. High polarity.
HY HY




Carbohydrates HY




- Correct Answer-Broken down to glucose to provide energy.
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What are the different kinds of carbs?
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- Correct Answer-Glucose= monosaccharide thatserves as blood sugar
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Sucrose= disaccharide which is table sugar HY HY HY HY HY




Polysaccharides= include starch, which stores energy in pl HY HY HY HY HY HY HY




antsGlycogen= stores energy in animals
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Y HY HY HY HY




Cellulose= makes up the structure of plant cell walls
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Protein HY




- Correct Answer-
HY HY




macromolecule that contains carbon, hydrogen, oxygen, andnitrogen; needed by t
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Y HY HY HY




he body for growth and repair
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Lipid HY




- Correct Answer-Energy-
HY HY




rich organic compounds, such as fats, oils, and waxes,that are made of carbon,
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Y HY HY HY HY H




Y hydrogen, and oxygen. HY HY




Serve as a long term energy source
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, Nucleic acid HY HY




- Correct Answer-
HY HY




macromolecule containing hydrogen, oxygen, nitrogen,carbon, and phosphorus
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Y HY HY




Form DNA which acts to store genetic information
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What is the cell theory?
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- Correct Answer-
HY HY




All living organisms are made up of cellsThe cell is the smallest structural and fun
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ctional unit of all living organisms
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All cells arise from pre-existing cells
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Ribosome

- Correct Answer-Makes proteins
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Endoplasmic Reticulum HY HY




- Correct Answer-
HY HY




A cell structure that forms a maze of passageways in which proteins and other
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materials are carried from one part of the cellto another.
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Y HY




Smooth ER HY HY




- Correct Answer-Makes lipids
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Rough ER - Correct Answer-
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That portion of the endoplasmic reticulum studded withribosomes.
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Y




Golgi Apparatus - Correct Answer-
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Sorts and packs protein into vesicles and transportsthem
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Y




Lysosome