Biology Video & Text Solutions For College Students

Ch.1 - Introduction to Biology

Characteristics of Life

Ch.2 - Chemistry

Atoms Atomic Structure Bonding

Ch.3 - Water

Properties of Water Acids and Bases Calculating pH

Ch.4 - Carbon

Carbon

Ch.5 - Biological Molecules

Polymers Carbohydrates Proteins Nucleic Acids Lipids Cumulative Macromolecules

Ch.6 - Cells

Cells Nucleus Endomembrane System Endosymbionts Cytoskeleton Cell Junctions

Ch.7 - The Membrane

Fluid Mosaic Model Osmosis and Diffusion Facilitated Diffusion Active Transport Bulk Transport

Ch.8 - Energy and Metabolism

Thermochemistry ATP Enzymes Metabolism

Ch.9 - Respiration

Redox Reactions Cellular Respiration Glycolysis Pyruvate Oxidation Citric Acid Cycle ETC and Oxidative Phosphorylation Cumulative Cellular Respiration Anaerobic Respiration and Fermentation

Ch.10 - Photosynthesis

Photosynthesis Light Reactions Calvin Cycle The Need for CO2 Photosynthesis Review

Ch.11 - Cell Signaling

Cell Signaling Reception Transduction and Response

Ch.12 - Cell Division

Cell Division Mitosis Cell Cycle Regulation

Ch.13 - Meiosis

Sexual Reproduction Meiosis Mitosis vs. Meiosis

Ch.14 - Mendelian Genetics

Mendel's Experiment Independent Assortment Extensions to Mendel Genetic Counseling

Ch.15 - Chromosomal Theory of Inheritance

Chromosomal Theory of Inheritance Chromosome Abnormalities and Non-Mendelian Inheritance

Ch.16 - DNA Synthesis

History of Genetic Research DNA Replication Repair Mechanisms and Telomeres

Ch.17 - Gene Expression

Gene Expression and the Genetic Code Transcription RNA Processing Translation Mutation

Ch.18 - Regulation of Expression

Bacterial Gene Regulation Eukaryotic Gene Regulation

Ch.19 - Viruses

Viruses

Ch.20 - Biotechnology

DNA Cloning PCR and Dideoxy Sequencing DNA Fingerprinting

Ch.21 - Genomics

Genomes

Ch.22 - Development

Developmental Biology Animal Development Plant Development

Ch.23 - Evolution by Natural Selection

Descent with Modification

Ch.24 - Evolution of Populations

Hardy-Weinberg Model Genetic Variation

Ch.25 - Speciation

Species

Ch.26 - History of Life on Earth

History of Life on Earth

Ch.27 - Phylogeny

Phylogeny

Ch.28 - Prokaryotes

Prokaryote Cell Structures Prokaryote Reproduction and Gene Exchange Prokaryote Metabolism and Ecology Prokaryote Lineages

Ch.29 - Protists

Protist Cells Protist Lineages

Ch.30 - Plants

Land Plants Nonvascular Plants Seedless Vascular Plants Seed Plants

Ch.31 - Fungi

Fungi Fungi Reproduction

Ch.32 - Overview of Animals

Overview of Animals

Ch.33 - Invertebrates

Porifera and Cnideria Lophotrochozoans Ecdysozoans Echinoderms

Ch.34 - Vertebrates

Chordates Aminotes Vertebrates Review

Ch.35 - Plant Anatomy

Roots and Shoots Tissues Growth

Ch.36 - Vascular Plant Transport

Water Potential

Ch.37 - Soil

Soil and Nutrients Nitrogen Fixation

Ch.38 - Plant Reproduction

Flowers Seeds

Ch.39 - Plant Sensation and Response

Phototropism Tropisms and Hormones Plant Defenses

Ch.40 - Animal Form and Function

Animal Tissues Metabolism and Homeostasis Thermoregulation

Ch.41 - Digestive System

Digestion Blood Sugar Homeostasis

Ch.42 - Circulatory System

Circulatory and Respiratory Anatomy Heart Physiology Gas Exchange

Ch.43 - Immune System

Immune System Innate Immunity Adaptive Immunity

Ch.44 - Osmoregulation and Excretion

Osmoregulation and Excretion

Ch.45 - Endocrine System

Endocrine System

Ch.46 - Animal Reproduction

Animal Reproduction

Ch.47 - Nervous System

Neurons and Action Potentials Central and Peripheral Nervous System

Ch.48 - Sensory Systems

Sensory System

Ch.49 - Muscle Systems

Musculoskeletal System

Ch.50 - Ecology

Ecology

Ch.51 - Animal Behavior

Animal Behavior

Ch.52 - Population Ecology

Population Ecology

Ch.53 - Community Ecology

Community Interactions Community Structure

Ch.54 - Ecosystems

Ecosystems

Ch.55 - Conservation Biology

Conservation Biology

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Q. What cellular evolutionary event is most likely responsible for a switch from Fermentation to the Citric Acid Cycle and Oxidative Phosphorylation? ...

Q. No O2 was necessary for the citric acid cycle. During oxygen debt, why would muscle cells choose lactic acid fermentation (which produces no ATP) ...

Q. Why do our muscle cells perform fermentation to produce lactic acid during strenuous exercise when more ATP can be generated by cellular respiratio...

Q. An organism with a cell wall would most likely be unable to take in materials through… a. diffusion. b. osmosis. c. active transport. d. phago...

Q. Water passes quickly through cell membranes because: a. the bilayer is hydrophilic. b. it moves through hydrophobic channels. c. water movement ...

Q. Protons are unable to cross the lipid bilayer because: a. the lipid bilayer is too hydrophilic b. protons are nonpolar c. protons are too small ...

Q. If O2 is found in high concentration on the outside of a cell: a. energy will be expended to pump it inside the cell. b. it will passively diffus...

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