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MC test 1

QuestionAnswer
What organ systems are involved in fluid balance? Circulatory, lymphatic, and urinary
What organ systems are involved in beginning homeostasis responses? Endocrine and nervous
Body responses to shifts in homeostasis usually involve Negative feedback
Electrons in the outermost shell of an atom are called Valence electrons
A buffer system consists of interchangeable chemicals the resist change in pH
What type of buffer is present in the bloodstream? Bicarbonate
What is the weakest type of bond? Hydrogen
Polar molecules are <?> water Attracted to
Hydrogen bonds may form when hydrogen is covalently bound to <?> or <?> Oxygen, nitrogen
An atom with only one valence electron would most-likely for <?> bonds Ionic
Increasing the concentration of H+ in a solution will <?> the pH Lower
What is the STORAGE form of polysaccharide? GlyGogen
What is a possible function of carbohydrates? Structure
Cholesterol is a type of <?> Lipid
What are the differences between RNA and DNA? Sugar, four bases, number of strands
What molecule is nonpolar? Triglycerides
Chemical reactions in the body are sped up by molecules called <?> Enzymes
The process of protein synthesis is called <?> Translation
Lysosomes function in <?> Recycling of old cell components
DNA replication and transcription occur in the <?> Nucleus
Synthesis of lipids takes place in the <?> Smooth endoplasmic reticulum
Most of the ATP of the cell is produced in the <?> Mitochondria
The plasma membrane is composed primarily of <?> Phospholipid bilayer
Nucleic acids are composed of units called Nucleotides
Molecules that store genetic information are the <?> Nucleic acids
Interactions between more than one ploypeptide subunit in a functional protein is called <?> structure Quaternary
What are the functions of proteins? structure, movement, and defense
<?> allows quick chemical communication between cells Gap junction
<?> prevents molecules from squeezing in-between cells Tight junction
Changes in the structure of <?> will most likely result in loss of function Proteins
What type of tissue would you find lining the inside of the digestive tract? Epithelial
Blood is classified as <?> tissue Connective
Squamous cells are <?> Flat
<?> muscle can be identified by the presence of intercalated disks Cardiac
<?> is a type of cartilage that is completely lacking in fibers Hyaline
<?> requires ATP hydrolysis Active transport
<?> does NOT require a carrier molecule Simple diffusion
The process of glycolysis occurs in the <?> Cytoplasm
What are the products of glycolysis? ATP, NADH, pyruvate
The energy input phase of glycolysis requires <?> ATP molecule(s) 2
each turn of the Citric Acid Cycle produces <?> NADH molecules 4
<?> is the terminal electron acceptor in the Electron Transport Chain O2
ATP synthase complexes convert the potential energy of the <?> gradient into ATP H+
The purpose of fermentation is to regenerate <?> NAD+
Created by: ybanezkm