In each blank, try to type in the
word that is missing. If you've
typed in the correct word, the
blank will turn green.
If your not sure what answer should be entered, press the space bar and the next missing letter will be displayed. When you are all done, you should look back over all your answers and review the ones in red. These ones in red are the ones which you needed help on. Question: Answer: -sociate Question: Answer: -tomo Question: Answer: bio- Question: Answer: pent- Question: same, Answer: homeo- Question: Answer: chromo- Question: on the Answer: extra- Question: Answer: karyo- Question: Answer: sachhr Question: cellAnswer: Question: Whats the highest level of structural ?Answer: system Question: Which physiological activity is regulated by a feedback system?
a. heart rate
b. normal breathing when you do not conciously regulate your breathing
c. maintaining normal glucose levels
d. all the aboveAnswer: all the Question: A researcher discovered a new hormone which raises bloodd calcium levels. According to the principles of negative feedback, this hormone be secreted when?Answer: when blood calcium levels below normal range Question: A decrease in blood sugar below the set point triggers what response in a negative feedback ?
a. continueing decrease in blood sugar
b. an increase in blood sugarAnswer: an in blood sugar Question: what would be a product of a synthesis reaction with acids and glycerol as subsstrates?
a. a protein
b. a monosaccharide
c. a triglyceride
d. a nucleic acidAnswer: a triglyceride Question: Peptide bonds are characteristic of
a. carbohydrates
b. lipids
c. Answer: proteins Question: in a synthesis reaction, if two monosaccharides are joined together
a. a new monosaccharide is formed
b. a disaccharide is formed
c. an amino acid is formed
d. a acid if formedAnswer: a disaccharide is Question: the greatest H+1 between a pH of 3 and 4
a. 8
b. 7
c. 6Answer: 6 Question: What is the difference in H+1 concentration between a pH of 3 and 4?
a. 2 times
b. 10 times
c. 20 times
d. 100 Answer: 10 times Question: Which is a lipid?
a. glucose
b. triglycerides
c. glycogen
d. acidsAnswer: Question: Meiosis
a. occurs in somatic . is accomplished in a single cell division
c. accounts for formation of sperm and egg
d. all the above are correct for a description of meiosisAnswer: accounts for formation of sperm and Question: which cell organelle is correctly matched with its or location of an activity
a. nucleus-energy generation
b. nucleus- translation
c. ribosome-protein synthesis
d. ribosome- transcriptionAnswer: ribosome- synthesis Question: The fluid-mosaic model of the cell proposes that
a. proteins form a "liquid" sea n the membrane 4 suspension of other molecules
b. membrane is neither rigid nor static in structure is highly flexible & can change shape & composition through tiAnswer: the membrane is rigid nor static in structure but is highly flexible and can change its shape and composition through time Question: which of the folowing sequences is correct?
a. translation > synthesis > transcription
b. transcription > translation > protein synthesis
c. transcription > protein synthesis > translation
d. translation > transcription > protein synthesisAnswer: transcription > translation > synthesis Question: Mitosis
a. forms two daughter cells wit half the DNA of the mother cell
b. forms two daughter cells wit the same amount of DNA as the mother cell
c. forms daughter cells called gametes
d. forms daughter with twice the amount of DNA as the motherAnswer: forms two daughter cells with the same of DNA as the mother cell Question: Which of the following activities would represent a study?
a. observe the structure of the interior of the heart
b. measuring and comparing blood sugar levels of an individual before and after a meal high in carbohydrates
c. all the aboveAnswer: measuring and comparing blood sugar levels of an individual and after a meal high in carbohydrates Question: Which body system would be affected the most by degenteration of cartlidge in joints?
a. urinary
b. . cardiovascular
d. skeletalAnswer: Question: In a negative feedback homeostatic system, the stimulous which triggers an automatic response that corrects the is
a. the presence of a receptor are and an effector area
b. an effector muscle
c. a variation outside of normal limitsAnswer: a variation outside of normal Question: A decrease in blood pressure outside a resting normal range triggers what response through the negative feedback?
a. continuing decrease of BP
b. blocking a received by BP receptors
c. returning BP to normal limitsAnswer: returning BP to normal Question: In a biochemical reaction, a disaccharide is hydrolyzed to
a. monosaccharides
b. disaccharide
c. polysaccharides
d. starchAnswer: monosaccharides Question: In a biochemical reaction, the formation of gylcogen from glucose is a _______ reaction
a. hydrolysis
b. synthesisAnswer: Question: Which pH values are all ?
a. 3-6
b. 3-9
c. 6-9
d. 7-10Answer: 3-6 Question: Which characteristic is to all electrolytes?
a. exist as ions in solution
b. yields hydrogen ions in solution
c. has basic chemical properties
d. composed of amino acidsAnswer: exist as ions in Question: Solution A has a pH of 10 & solution B has a pH of 2. Which of the following statements are true?
a. solution & solution B are both basic
b. solution B is basic
c. solution A is acidic
d. B has a higher hydrogen ion concentration than solutioAnswer: solution B has a hydrogen ion concentration than solution A Question: Enzymes are composed of which fundamental unit?
a. nitrogenous . lipids
c. amino acidsAnswer: amino Question: The boundary between the intracellular and extracellular fluids is the
a. . cytoplasm
c. cell membrane
d. nuclear membraneAnswer: cell Question: Which is the sequence from largest to smallest?
a. amino acid > cell > protein > atom
b. cell > protein > amino acid > atom
c. amino acid > atom > cell > protein
d. atom > amino acid > protein > cellAnswer: cell > protein > acid > atom Question: In a cell, ribosomes are in the
a. intracellular fluid
b. fluidAnswer: intracellular Question: Choose the true statement:
a. the placement of amino acids in a polypeptide chain is ultimately determined by the sequences of adenine, thymine, guanine, & cytosine in . messenger RNS is transcripted from DNA at the ribosomeAnswer: the placement of amino acids in a polypeptide chain is ultimately determined by the sentences of adenine, , guanine, and cytosine in DNA |
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