Biology

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Exam (elaborations)

Biology Chapter 2 Practice Exam: Atoms, Bonds, Water & pH Cohesion
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Biology Chapter 2 Practice Exam: Atoms, Bonds, Water & pH Cohesion The property of water that allows the molecule to stick to other water molecules. Adhesion The sticking together of particles of different substances. Atom The smallest basic unit of matter Element Substance made of only one type of atom that can not be broken down by chemical means Compound Substance made of atoms of different elements that are bonded together in a particular ratio Ion Atom that has gained or lost on...
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Penn Foster Biology Exam 1 Review | Cells, Atoms & Water Properties|Complete with A+ Graded Answers
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Penn Foster Biology Exam 1 Review | Cells, Atoms & Water Properties|Complete with A+ Graded Answers _______ are the smallest units of life. Cells Which one of the following lists shows the correct order of biological organization? Population, community, ecosystem, biosphere A modification that makes organisms more suited to their environment is called a/an adaptation. The life-domain whose members live in very harsh environments, such as salt lakes and hot springs, is called Archaea. D...
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Biology Chapter 9 Exam Prep | DNA Structure, Nucleotides & Replication
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January 2026

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Biology Chapter 9 Exam Prep | DNA Structure, Nucleotides & Replication DNA contains the instructions for, and controls, the production of proteins helicase an enzyme that "unzips" DNA by breaking the hydrogen bonds that hold the two strands together between the nitrogen bases guanine a nitrogen base in DNA that pairs with cytosine base pairing a rule that states A = T and C = G cytosine a nitrogen base in DNA that pairs with guanine thymine a nitrogen base in DNA that pairs wit...
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DNA Structure & Replication Exam Review | Chapter 9 Biology
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January 2026

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DNA Structure & Replication Exam Review | Chapter 9 Biology What are the three parts of the nucleotide? Sugar, phosphate, base What kind of sugar is found in a nucleotide? Deoxyribose Which nucleotide component contains nitrogen? Bases Name the four nitrogen bases Guanine, Adenine, Thymine, and Cytosine What makes up the rungs of the "ladder"? Bases What makes up the backbone of the "ladder"? Sugar and phosphate What type of biological molecule is a DNA helicase? Enzyme...
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Intro to Biology Chapter 1 Exam | Scientific Method, Variables & Experiments
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January 2026

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Intro to Biology Chapter 1 Exam | Scientific Method, Variables & Experiments science organized way of gathering and analyzing evidence about the natural world observation process of noticing and describing events or processes in a careful, orderly way inference a logical interpretation based on prior knowledge and experience hypothesis possible explanation for a set of observations or possible answer to a scientific question controlled experiment experiment in which only one variable ...
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Intro to Biology Chapter 2 Exam | Characteristics of Life, Cells & Homeostasis|Latest Update Complete with Verified A+ Graded Answers
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Intro to Biology Chapter 2 Exam | Characteristics of Life, Cells & Homeostasis|Latest Update Complete with Verified A+ Graded Answers Characteristics of living things cells, biomolecules, use energy, respond to stimuli, grow & develop, reproduce cell The basic unit of structure and function in all living things organism a living thing unicellular describes singled cell organisms multicellular describes organisms that are made up of more than one cell stimulus change in an organism...
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BIO 215L Midterm Exam Study Guide | Lab Safety, Microscopy & Microbiology Basics |Verified Questions Provided with A+ Graded Rationales Latest Updated 2026
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BIO 215L Midterm Exam Study Guide | Lab Safety, Microscopy & Microbiology Basics |Verified Questions Provided with A+ Graded Rationales Latest Updated 2026 Lab safety protocol Guidelines for safety in the laboratory. 10% bleach Solution used to clean the countertops before/after each lab. Ubiquity Existing everywhere. Fomites Microbial reservoirs or sources that play an active role in the spread of diseases. Nosocomial infection Diseases acquired from being around a hospital environmen...
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Biochemistry Amino Acid & Protein Structure Practice Questions
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January 2026

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Biochemistry Amino Acid & Protein Structure Practice Questions T/F: According to the module, a compound with a molecular mass of 1,000 g/mol is considered a macromolecule. false macromolecule >5,000 g/mol T/F: Biomolecules can have two or more different functional groups. true T/F: The following group is an amine. C2H5NH2 true T/F: In a eukaryotic cell, the organelles called peroxisomes serve the purpose of digesting macromolecules. false peroxisomes degrade dangerous/hazardo...
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BIO 181 Paciulli Final Exam Study Guide (NCSU) | Ecology, Populations & Evolution
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BIO 181 Paciulli Final Exam Study Guide (NCSU) | Ecology, Populations & Evolution You are studying the color-changing Smith's dwarf chameleon (Bradypodion taeniabronchum), and trying to get a handle on what is going on with their population fluctuations. For a few years, the chameleon population seemed to be increasing, but the next few years the population appeared to be decreasing. Upon closer examination, the data indicate that population growth is most influenced by the number of femal...
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Chapter 9 DNA Structure & Replication Exam Study Guide | High-Yield Genetics Latest Update Graded A+
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Chapter 9 DNA Structure & Replication Exam Study Guide | High-Yield Genetics Latest Update Graded A+ The jobs of genetic material Genetic material must carry out two jobs : duplicate itself and control the development of the rest of the cell in a specific way" Francis Crick nucleotide The building block of a nucleic acid, consisting of a phosphate group, a nitrogenous base, and a 5-carbon sugar ribose a 5-carbon sugar in RNA deoxyribose 5-carbon sugar in a DNA nucleotide adenine (A) ...
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