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55 Cards in this Set
- Front
- Back
_____________ RNA has the function of bringing amino acids to the ribosome during translation.
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Transfer
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Energy transformations result in a(n) ______________ in entropy.
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Increase
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. What type of tissue is especially dependent on adequate plasma glucose levels for energy?
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Nervous
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The process in which an amine group is transferred from one amino acid to another is called _______.
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transamination
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The function of the _____________ is to produce ribosomal RNA.
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nucleoli
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The transport of protons from the intermembrane space to the mitochondrial matrix occurs via ________.
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ATP synthase
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Peptide bonds are formed by the process of _______________.
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dehydration synthesis
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Glycolysis converts glucose into two ______________ molecules.
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pyruvic acid
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The base that is NOT found in RNA is ________.
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thymine
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. Which of the following would be most easily broken?
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a hydrogen bond
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Anaerobic respiration is triggered .when the ratio of ______________ falls below a critical level.
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oxygen supply to oxygen need
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Each turn of the Krebs cycle produces ________________.
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1 FADH2, 1 ATP, and 3 NADH
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________homeostatic regulatory mechanisms are "built-in" to the organs being regulated.
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Intrinsic
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Epithelial membranes that are more than one layer thick are ___________.
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stratified
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The flow of energy in living systems is termed ____________.
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bioenergetics
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Microtubules and microfilaments are the primary components of the _____________.
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cytoskeleton
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Tendons are composed of ______________.
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dense regular fibrous connective tissue
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18. Formation of the maximum number of acetyl CoA molecules from glucose produces ______________ molecules of carbon dioxide.
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two
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In the reaction H2O + CO2 ↔ H2CO3, increasing the concentration of H2O would __________.
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increase the concentration of H2CO3
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A cell lacking a Golgi apparatus would not be able to add _____________ to proteins.
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carbohydrates
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Regulation of a metabolic pathway by the final product of the pathway is termed __________.
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both end-product inhibition and negative feedback
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The _______________ electrons are the only electrons to participate in chemical bonding.
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Valence
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The importance of the Krebs cycle is the production of significant amounts of _____________.
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NADH
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Can undergo metabolic conversion to acetyl CoA and enter the Krebs cycle?
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Protein
Fatty acids Glucose |
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This process is also known as reduction division.
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meiosis I
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______________ cells normally produce ATP exclusively by anaerobic respiration.
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Red Blood
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. A cell which is actively involved in protein synthesis would contain large quantities of _______________.
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Ribosomes
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The level of protein structure primarily involved in determining enzyme activity is the _________.
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tertiary structure
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What theory explains the ability of the electron transport system to pump protons between the inner and outer mitochondrial membranes?
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Chemiosmotic theory
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. The first step in the scientific method involves the formation of a(n) ______________.
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hypothesis
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. Digestive enzymes which remove hydrogen atoms from their substrates would be ___________.
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. dehydrogenases
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Fatty acid metabolism occurs via ________________.
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beta-oxidation
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. ______________ is the opposite of glycogenesis.
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Glycogenolysis
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. Membranes are formed by ____________ tissue
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epithelial
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Chromosomes move to opposite poles in ______________.
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anaphase
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The Cori cycle converts ______________ to pyruvic acid
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lactic acid
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In the nucleus of a diploid cell, the amount of cytosine would equal the amount of __________.
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. guanine
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. Germinal cells can divide indefinitely probably due to the activity of an enzyme called ________.
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telomerase
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. The ____________ is the polysaccharide layer attaching an epithelial tissue to the underlying connective tissue.
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basement membrane
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Primary tissues of the body.
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Nervous
Muscular Epithelium |
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. Scientific theories are based on a single hypothesis.
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False
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Negative feedback results in a response that opposes that of the original stimulus.
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True
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The electron transport chain is responsible for the production of the majority of cellular ATP.
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True
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All body cells have at least one nonmotile primary cilium with a "9+2" structure.
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False
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Crossing over allows for the exchange of genetic material between homologous chromosomes.
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True
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Free energy is the only type that can be used to perform cellular work.
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True
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Condensation of adenosine diphosphate and phosphate generates adenosine triphosphate and energy.
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False
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As the pH of the blood decreases, the amount of hydrogen ions in the blood would decrease.
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False
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Hydrogen bonds form between the partially charged atoms of two polar molecules, such as the slightly negatively charged hydrogen atom of one water molecule and the slightly positively charged oxygen atom of another
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False
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. Covalent bonds are formed between monosaccharides through dehydration synthesis.
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True
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Glucose is stored as a polysaccharide to prevent osmosis of water into the cells.
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True
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Mitochondria contain their own DNA.
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True
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Oxidizing agents accept electrons from molecules undergoing reduction.
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True
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Cyclins are a group of proteins which promote different phases of the cell cycle.
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True
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The specific sequence of amino acids in a polypeptide is known as the primary protein structure.
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True
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