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FREE AND STUDY GAMES ABOUT BIOLOGY VOCAB TEST 1
EXAM QUESTIONS
Actual Qs and Ans Expert-Verified Explanation
This Exam contains:
-Guarantee passing score -112 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation
Question 1: DNA and RNA similarities
Answer:
both have phosphate group, pentose sugar, both have base adenine Question 2: a particular sequence or combo of 2ndary elements that appears in a variety of diff proteins and is oftern associated with a specific function, is called a(n)
Answer:
motif
Question 3: sterioisomers?
Answer:
have the same molecular formula, are identical in terms of which atoms are bonded to each other, but differ in the spatial arrangement of their atoms Question 4: cells contain chaperone proteins which help other proteins ____correctly
Answer:
fold
Question 5: saturated fatty acids
Answer:
have single bonds Question 6: a protein's ___structure is determined by how regions with secondary structure are arranged in space to produce the final overall shape of the polypeptide chains
Answer:
teriiary Question 7: a liquid oil can be converted into a solid fat by the process of:
Answer:
hydrogenation
Question 8: relationship between enzymes and environmental conditions.
Answer:
changing env't conditions may alter the structure of enzymes, usually works best in it's normal functions, changing env't conditions may alter the activity of enzymes Question 9: what tyoe of bond forms between 2 amino acids during dehydration synthesis?
Answer:
peptide bond Question 10: long polymers made of monosaccharides that have been linked through dehydration synthesis constitute a typw of macromolecules generally known as _____
Answer:
polysaccarides Question 11: diseases caused by the improper folding of proteins may be due to deficincies in ___
Answer:
chaperone proteins
Question 12: monosaccharides
Answer:
are the simplest sugars, monomers that can be joined together to form more complex carbs, composed of carbon, hydrogen, and oxygen
Question 13: the info needed to assemble____ from amino acids is stored and transmitted through generations of organisms in molecules of DNA
Answer:
proteins
Question 14: the main component of cell membranes
Answer:
phospholipids Question 15: attraction between atoms in 2 polar amino acid side chains is an ex of what bond?
Answer:
hydrogen bond Question 16: what tyoe of bond forms between two amino acids during dehydration sythesis?
Answer:
peptide bond
Question 17: monomers
Answer:
the repeating units that serve as building blocks of a polymer are smaller molecules Question 18: if a single protein carries out several dif functions, such as bindind to a signal molecule and catalyzing a reaction. then each function may be localized in a specific region of the protein called a(n)
Answer:
domain
Question 19: what 3 things function primarily as storage polysaccharides?
Answer:
glycogen, amylopectin, amylose
Question 20: what are the building blocks of proteins?
Answer:
amino acids form chains that make up proteins
Question 21: alpha helices and beta sheets
Answer:
secondary Question 22: a protein's secondary structure is maintained by hydrogen bonds between:
Answer:
the amino and carboxyl groups within the polypeptide backbone Question 23: a liquid oil can be converted into a solid fat by chemically adding ____
Answer:
hydrogen
Question 24: 3 carbon sugars?
Answer:
glyceraldehyde, dihydroxyacetone Question 25: which group of biomolecules is the most effiecent for storing energy?
Answer:
fats and oils
Question 26: a polypeptide is a long unbranched chain of ____ ____
Answer:
amino acids
Question 27: the weakest interaction listed ex of what bond?
Answer:
van der waals attraction
Question 28: 4 levels of protein structure
Answer:
primary, secondary, tertiary, quaternary