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75 Cards in this Set
- Front
- Back
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A food that is high in fiber likely contains a lot of |
Cellulose |
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The addition of water turns monomers from a polymer |
Hydrolosis |
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Which of the following is an assumption that underlies all scientific inquiry? |
Uniformity in time and space |
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Example that is not a property of water: |
water is nonpolar |
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Cell Theory states... |
All cells arise from preexisting cells |
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What occurs at the atomic level to explain a diet that is rich in antioxidants? |
Antioxidants stop the cellular damage caused by free radicals |
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The endosymbiotic hypothesis suggests... |
Mitochondria are descended from little cells engulfed by bigger cells |
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A basic solution has... |
More hydroxide ions than hydrogen ions |
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An inferential study is one that... |
Investigates cause and effect |
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What is the unifying theory of biology? |
Evolution by natural selection |
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Organelles involved in packaging proteins into vesicles |
Golgi apparatus |
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A cell laching membrane-bound organelles |
Prokaryotic cell |
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Fundamental unit of matter that retains the properties of an element |
Atom |
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Scientific explanation that is no longer tentative but overwhelmingly supported by evidence is know as... |
Theory |
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Evolution is the cause for a change from pre-existing forms to modern-day organisms.
Underlying causes for change? |
Allele frequencies of the species' population. |
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List of components of scientific method in correct order |
Observe. hypothesize, experiment, conclude |
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Second step in scientific method... |
Question |
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What bond is caused by polarity between two water molecules?q |
Hydrogen bond |
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What is the most dense form of water? |
Liquid water |
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Faith-based assertions (e.g. spirituality, supernatural) are not scientific because... |
Faith-based assertions are not testable. |
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Nucleotide is composed of... |
A sugar, a phosphate group, and a nitrogen-containing base. |
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What provides long-term energy storage for plants? |
Starch |
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Fats that are solid at room temperature? |
Saturated fats |
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Mitosis refers to the process in which... |
Diploid eukaryotic cells asexually divide. |
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Nuclear envelope forms around chromosomes and chromosomes unwind |
Telophase |
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Chromosomes align on the "equator" of the cell |
Metaphase |
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Sister chromatids separate, becoming daughter chromosomes |
Anaphase |
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Represents the longest stage in eukaryotic cell cycle |
Interphase |
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Duplicated chromosomes condense and are captures by spindle microtubules |
Prophase |
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Chitin composes insect exoskeletons |
Carbohydrates |
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Your hair and fingernails |
Proteins |
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Nucleotides |
Nucleic acids |
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Glycogen |
Carbohydrates |
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Contains a carbon framework |
All your types of biological molecules |
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Candle Wax |
Lipids |
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Essential Amino Acids |
Proteins |
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Enzymes |
Proteins |
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Sucrose |
Carbohydrates |
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Composed of cellulose in plants |
Cell wall |
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Site of protein systhesis, in rough endoplasmic reticulum |
Ribosome |
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Site of lipid synthesis |
Smooth Endoplasmic reticulum |
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Absent in animal cells |
Cell wall |
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Where ATP is produced |
Mitochondria |
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Control center of the cell |
Nucleus |
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Definition of hypothesis |
A generalized explanation of a natural phenomena |
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7 Characteristics of all living things |
C - Composed of cells H - Maintain homeostasis E - Acquire energy E - Capacity to evolve R - Able to reproduce S - Respond to stimuli
G - Grow |
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Female scientist responsible for the use of the x-ray diffractor discovering the double-helical structure of DNA? |
Rosalind Franklin |
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All living organisms |
Can move, require energy, and can evolve |
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All are scientific principles that underlie scientific inquiry |
Natural causality Objective thought Uniformity in time and space |
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First step in the scientific method |
Observe |
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A hypothesis should be phrased as an "if , and then " statement. |
FALSE. Prediction |
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The attraction of water molecules to other water molecules is an example of |
Cohesion |
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What is the fundamental unit of all matter? |
Atom |
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A carefully formulated scientific explanation that is based on a large accumulations of observations/data and is as close to biological fact as possible is termed as a/an... |
Theory |
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Scientists now recommend a diet rich in antioxidants to stay healthy. What occurs at the atomic level? |
Antioxidants stop the chain reaction of cellular damage caused by free radicals |
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The hydrogen bond between two water molecules arises because water is... |
Polar |
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Acidic = lowest pH balance
Basic = highest pH balance |
. |
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What process causes unrelated organisms living under similar environmental demands to evolve superficially similar structures? |
Convergent Evolution |
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Charles Darwin's nickname was... |
Gas |
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One of Charles Darwins' first discoveries in South America was bones from a huge mammal that turned out to be... |
A giant ground sloth |
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What can evolve? |
Populations |
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Which piece of evidence led Charles Darwin to believe that land was "sinking" and mountains were "rising" |
Fossilized shells at 13,000 feet |
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First two years at cambridge Darwin spent most of his time... |
Collecting beetles |
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Two monosaccharide that composes starch is... |
Glucose |
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Organic molecules are composed of... |
Carbon 1 Hydrogen 2 Oxygen 1
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Is an electrolyte a major biological molecule?
Carbohydrate, lipid, protein, nucleic acids? |
Electrolyte = No
Rest = Yes |
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During dehydration synthesis two water molecules join together and in the process... |
Lose a water molecule |
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The process by which the disaccharide maltose is broken into 2 molecules of glucose is an example of... |
Hydrolysis |
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What is the monomer of proteins? |
Amino Acids |
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What is the monomer of carbohydrates? |
Monosaccharides |
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Cell theory states... |
1. All living organisms are made up of one or more cells 2. Cells are the functional units of multicellular organisms 3. The smallest living organisms are single cells 4. Grass cells come from grass cells
NOT - spontaneous generation of cells |
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Features of prokaryotic cells |
1. Plasma membrane 2. Genetic material 3. Ribosomes 4. Cytoplasm
NOT - A nuclear membrane |
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The surface area of a cell limits its size |
TRUE |
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What are the two main types of cells |
Prokaryotic and Eukaryotic |
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What is found in all cells |
1. Genetic materials 2. Cytoplasm 3. Ribosome 4. Plasma Membrane |
