FREE BIOLOGY AND STUDY GAMES ABOUT BIO 100 EXAM

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FREE BIOLOGY AND STUDY GAMES ABOUT BIO 100 EXAM

1 EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -63 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation

Question 1: Adhesion proteins

Answer:

help cells stick together

Question 2: Bacterium

Answer:

A member of the prokaryotic domain Bacteria

Question 3: enzyme

Answer:

Protein or RNA that speeds a reaction without being changed by it

Question 4: Deoxyribonucleic acid (DNA)

Answer:

Nucleic acid that carries hereditary material Two nucleotide chains twisted in a double helix

Question 5: Hydrolysis

Answer:

(water is used) Process by which an enzyme breaks a molecule into smaller subunits by attaching a hydroxyl to one part and a hydrogen atom to the other

Question 6: Condensation

Answer:

(water forms) Process by which an enzyme builds large molecules from smaller subunits

Question 7: Control group

Answer:

A group of objects or individuals that is identical to an experimental group except for one variable

Question 8: Plasma membrane

Answer:

A cell's outermost membrane

Question 9: Eukaryotes

Answer:

Organisms whose cells typically have a nucleus

Question 10: Nucleotide

Answer:

Monomer of nucleic acids Has a five-carbon sugar, a nitrogen-containing base, and phosphate groups

Question 11: Protein

Answer:

Organic compound that consists of one or more chains of amino acids

Question 12: Polypeptide

Answer:

Chain of amino acids linked by peptide bonds

Question 13: Transport proteins

Answer:

passively or actively assist specific ions or molecules across a membrane

Question 14: Enzymes

Answer:

speed chemical processes

Question 15: scientific method

Answer:

Observation Many ways to make observations Leads to a question Why?

Example:

Large fish die-offs

Question 16: Product

Answer:

A molecule remaining at the end of a reaction

Question 17: Peptide bond

Answer:

A bond between the amine group of one amino acid and the carboxyl group of another

Question 18: Archaeans

Answer:

A member of the prokaryotic domain Archaea

Question 19: Phospholipid

Answer:

A lipid with a phosphate group in its hydrophilic head, and two nonpolar fatty acid tails

Question 20: Denature

Answer:

To unravel the shape of a protein or other large biological molecule

Question 21: Saturated fat

Answer:

Fatty acid with no double bonds in its carbon tail Solid at room temperature (margarine)

Question 22: Plant

Answer:

Typically a multicellular, photosynthetic producer

Question 23: Ribonucleic acid (RNA)

Answer:

Typically single-stranded nucleic acid Functions in protein synthesis

Question 24: Goal of atom

Answer:

is to have 8 electrons in outermost shell (valence ). Accomplished through:

Transfer of electrons ? ionic bonds Sharing of electrons ? covalent bonds

Question 25: Adenosine triphosphate (ATP)

Answer:

Nucleotide that consists of an adenine base, five-carbon ribose sugar, and three phosphate groups Functions as an energy carrier

Question 26: Prokaryotes

Answer:

Single celled organisms in which DNA is not contained in a nucleus