BIOLOGY PROCTORED EXAM PENN FOSTER ACTUAL EXAM/ LATEST UPDATE 2024 WITH 200 QUESTIONS AND CORRECT ANSWERS (VERIFIED ANSWERS)|A+GRADE

BIOLOGY PROCTORED EXAM PENN FOSTER ACTUAL EXAM/
BIOLOGY
LATEST UPDATE 2024PROCTORED EXAM PENN
WITH 200 QUESTIONS ANDFOSTER
CORRECT
ACTUALANSWERS
EXAM/ LATEST UPDATE
(VERIFIED 2024 WITH 200
ANSWERS)|A+GRADE
QUESTIONS AND CORRECT ANSWERS (VERIFIED
ANSWERS)|A+GRADE



Characteristics of living things RV RV RV RV




- Correct Answer-
RV RV




-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
RV RV RV RV RV RV RV




Levels of Biological Organization RV RV RV RV




- Correct Answer-atom, molecule, organelle, cell,tissue, organ, organ system, organism
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R RV RV RV RV




How are organisms classified?
RV RV RV




- Correct Answer-
RV RV RV




on the basis of theirevolutionary/genetic relatedness
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What is the scientific method? What is it's importance in biological sciences?
RV RV RV RV RV RV RV RV RV RV RV RV




- CorrectAnswer-
RV V
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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. Th
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ebest way to discover how and why the world works
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What is matter? RV RV RV




- Correct Answer-Anything that has mass and takes up space
RV RV RV RV RV RV RV RV RV




What is an atom? RV RV RV




- Correct Answer-
RV RV RV




smallest unit of matter that retains all the chemical properties of an element. They c
RV RV RV RV RV RV RV RV RV RV RV RV RV RV




ombine to form molecules which then form into a solid,gas or liquid
RV RV RV RV RV RV RV RV RV V
R RV RV




What is the structure of an atom?
RV RV RV RV RV RV RV




- Correct Answer-
RV RV




Nucleus in the center that containsprotons (positively charged) and neutrons (no
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R RV RV RV RV RV RV




charge). The outermost region is called an electron shell that contain the electrons
RV RV RV RV RV RV RV RV RV RV RV RV




(negatively charged)
RV RV

,What is an ionic bond? RV RV RV RV RV




- Correct Answer-
RV RV




A chemical bond that's formed when an atomtransfers and electron to another Atom
RV RV RV RV RV RV RV V
R RV RV RV RV RV




What is a covalent bond? RV RV RV RV




- Correct Answer-
RV RV RV




Results when 2 atoms share electrons inorder to have a completed outer shell
RV RV RV RV RV RV V
R RV RV RV RV RV RV




What is a double covalent bond?
RV RV RV RV RV RV




- Correct Answer-Occurs when 2 atoms share 2 pairsof electroms
RV RV RV RV RV RV RV RV V
R RV




In order to be an organic molecule it must contain what?
RV RV RV RV RV RV RV RV RV RV




RV - Correct Answer-Carbon andhydrogen
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What are the main groups of organic molecules that build cells and their parts?
RV RV RV RV RV RV RV RV RV RV RV RV RV RV




- CorrectAnswer-Carbohydrates, proteins, lipids, nucleic acid
RV V
R RV RV RV RV




What are the properties of water?
RV RV RV RV RV RV




- Correct Answer-Its attraction to polar molecules.High-specific heat.
RV RV RV RV RV RV V
R RV




High heat of vaporization.
RV RV RV V
R




The lower density of ice.
RV RV RV RV RV




High polarity. RV




Carbohydrates RV




- Correct Answer-Broken down to glucose to provide energy.
RV RV RV RV RV RV RV RV




What are the different kinds of carbs?
RV RV RV RV RV RV RV




- Correct Answer-Glucose= monosaccharide thatserves as blood sugar
RV RV RV RV V
R RV RV RV




Sucrose= disaccharide which is table sugar RV RV RV RV RV




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




antsGlycogen= stores energy in animals
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R RV RV RV RV




Cellulose= makes up the structure of plant cell walls RV RV RV RV RV RV RV RV




Protein RV




- Correct Answer-
RV RV




macromolecule that contains carbon, hydrogen, oxygen, andnitrogen; needed by th RV RV RV RV RV RV V
R RV RV RV




e body for growth and repair
RV RV RV RV RV




Lipid RV




- Correct Answer-Energy-
RV RV




rich organic compounds, such as fats, oils, and waxes,that are made of carbon, h
RV RV RV RV RV RV RV RV V
R RV RV RV RV RV




ydrogen, and oxygen. RV RV

, Serve as a long term energy source
RV RV RV RV RV RV




Nucleic acid RV RV




- Correct Answer-
RV RV




macromolecule containing hydrogen, oxygen, nitrogen,carbon, and phosphorus RV RV RV RV V
R RV RV




Form DNA which acts to store genetic information
RV RV RV RV RV RV RV




What is the cell theory?
RV RV RV RV RV




- Correct Answer-
RV RV




All living organisms are made up of cellsThe cell is the smallest structural and functio
RV RV RV RV RV RV RV V
R RV RV RV RV RV RV RV




nal unit of all living organisms
RV RV RV RV RV




All cells arise from pre-existing cells
RV RV RV RV RV




Ribosome
- Correct Answer-Makes proteins
RV RV RV




Endoplasmic Reticulum RV RV




- Correct Answer-
RV RV




A cell structure that forms a maze of passageways in which proteins and other mat
RV RV RV RV RV RV RV RV RV RV RV RV RV RV




erials are carried from one part of the cellto another.
RV RV RV RV RV RV RV RV V
R RV




Smooth ER RV RV




- Correct Answer-Makes lipids
RV RV RV




Rough ER - Correct Answer- RV RV RV RV




That portion of the endoplasmic reticulum studded withribosomes.
RV RV RV RV RV RV RV V
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Golgi Apparatus - Correct Answer-
RV RV RV RV




Sorts and packs protein into vesicles and transportsthem
RV RV RV RV RV RV RV V
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Lysosome
- Correct Answer-Digests food, bacteria and worn out organelles
RV RV RV RV RV RV RV RV RV




Vacuole
- Correct Answer-Stores food, enzymes and other material
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Mitochondria RV




- Correct Answer-Powerhouse of the cell-
RV RV RV RV RV




produces energy for growth,development and movement
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R RV RV




Nucleus
- Correct Answer-
RV RV RV




A part of the cell containing DNA and RNA and responsiblefor growth and reprodu
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ction