TEAS 6 SCIENCE- LIFE + PHYSICAL SCIENCES Questions And Answers 100% Rated A+.
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TEAS 6 SCIENCE- LIFE + PHYSICAL SCIENCES
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TEAS 6 SCIENCE- LIFE + PHYSICAL SCIENCES
TEAS 6 SCIENCE- LIFE + PHYSICAL SCIENCES Questions And Answers 100% Rated A+.
Name the 4 basic organic macromolecules. What are they produced by? - correct answer. 1. carbohydrates
2. lipids
3. proteins
4. nucleic acids
*produced by anabolic reactions
Name the 4 basic buil...
TEAS 6 SCIENCE- LIFE + PHYSICAL
SCIENCES Questions And Answers 100%
Rated A+.
Name the 4 basic organic macromolecules. What are they produced by? - correct
answer. 1. carbohydrates
2. lipids
3. proteins
4. nucleic acids
*produced by anabolic reactions
Name the 4 basic building blocks. What type of reactions are they involved in? - correct
answer. 1. monosaccharides (glucose) for cabohydrates
2. amino acids for protein
3. fatty acids (glycerol) for lipids
4. nucleotides for nucleic acids
*catabolic reactions
What is an anabolic reaction? - correct answer. builds large and complex molecules
from smaller ones
*requires energy
What is a catabolic reaction? - correct answer. larger molecules are broken down
into smaller ones
*releases energy
Dfferentiate between endothermic and exothermic reactions - correct answer. 1.
endothermic: absorbs heat
2. exothermic: releases heat
, What is the primary source of energy? Why? - correct answer. 1. carbohydrates
2. can be easily converted into glucose
What are carbohydrates broken down into? - correct answer. simple sugars/glucose
What are the groupings of simple sugars? - correct answer. 1. monosaccharide: 1
monomer of sugar
-glucose, fructose, and sucrose
2. disaccharide: 2 monomers of sugar
What type of bonds do lipids have? Are they hydrophobic or hydrophilic? - correct
answer. 1. C-H
2. hydrophobic b/c of fatty acid tails
What are 3 types of lipids? - correct answer. 1. phospholipids
2. steroids
3. waxes
Describe triglycerides, phospholipids, steroids, and waxes - correct answer. 1.
triglycerides: contains a glycerol head + 3 fatty acids
2. phospholipids: contains a phosphate head + 2 fatty acids
-aids in cell structure and membrane
3. steroids: are derived from cholesterol, which is found in the cell membrane and
throughout the blood
4. waxes: a long chain alcohol binds to a long chain fatty acid
What are polypeptides? Why does it occur? - correct answer. 1. a linkage of multiple
(10-100) peptides; an amino acid chain
2. is a result of condensation reactions
Differentiate between condensation reactions and hydrolysis. - correct answer. 1.
condensation reactions: removal/loss of water when 2 molecules are joined together
2. hydrolysis: addition of water; water is broken down into H+ cations and OH- anions
What is a peptide? - correct answer. a compound of 2 or more amino acids
What makes up an amino acid? - correct answer. 1. amino group (NH2)
2. carboxyl group (COOH)
3. R group (determines properties of protein)
4. hydrogen
5. carbon
Describe the 4 protein structures - correct answer. 1. primary: a sequence of amino
acids
2. secondary: double helix and beta plated sheets stabilized by hydrogen bonds
3. tertiary: overall shape of protein molecule
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