biochemistry Flashcards
what type of bond do all organic compounds have
C-H
inorganic or organic:
C6 H12 O6
organic
inorganic or organic:
NaCl
inorganic
inorganic or organic:
C2 H5 OH
organic
inorganic or organic:
H20
inorganic
elements found in carbs
C, H, O
Carb or Not:
C12 H22 O11
yes
Carb or Not:
C4 H14 O10
no
Carb or Not:
C10 H18 O9
yes
Carb or Not:
C11 H16 O7
no
what are the monomer of carbs
monosaccharide
isomer
molecules with the same molecular formula but different structures
monosaccharides are formed through what type of reaction
dehydration synthesis
what molecule is used to form a polymer of carbs
H20
what are the functions of carbs
energy & structure
Monosaccharide, disaccharide, or polysaccharide:
sucrose
di
Monosaccharide, disaccharide, or polysaccharide:
fructose
mono
Monosaccharide, disaccharide, or polysaccharide:
starch
poly
Monosaccharide, disaccharide, or polysaccharide:
cellulose
poly
Monosaccharide, disaccharide, or polysaccharide:
lactose
di
Monosaccharide, disaccharide, or polysaccharide:
maltose
di
Monosaccharide, disaccharide, or polysaccharide:
galactose
mono
Monosaccharide, disaccharide, or polysaccharide:
glucose
mono
Monosaccharide, disaccharide, or polysaccharide:
glycogen
poly
Monosaccharide, disaccharide, or polysaccharide:
C6 H12 O6
mono
Monosaccharide, disaccharide, or polysaccharide:
(C6 H10 O5)n
poly
Monosaccharide, disaccharide, or polysaccharide:
C12 H22 O11
di
an unknown carb is blue in benedict’s solution and black/purple iodine. What type of carb is it?
polysaccharide
how many cals are in 1 gram of carbs
4
good carbs
rice
bad carbs
donuts
what type of reaction breaks down a polymer of organic molecules
hydrolysis
what is added during hydrolysis
water
a polymer of 8 monosaccharides is synthesized. How many water molecules need to be removed to create the polymer?
7
elements found in protiens
C, H, O, N
functions of protiens
growth, maintenance, repair, metabolism
what do protiens serve as?
enzymes
what are enzymes
biological catalysts that speed up reactions
monomers of protiens
amino acids
how many amino acids are there
20
true or false: what type of bond is formed between 2 amino acids
peptide bonds
which part is the amino acid structure makes it different from other amino acids?
r group
3 ways protiens different from each other
type of a.a., order of a.a., length of a.a. chains
how much of your diet should be protien
12-15%
ex of food high in protien
meat and eggs
how many cals do you get from 1 gram of protien
4
what lab test determines the presence of absence of protien
Burrett’s
what are lipids also known as
fats
elements found in lipids
C, H, O
functions of lipids
protection, insulation of energy
how many cals of energy do you get from one gram of lipids
9
why do we not use lipids as our primary energy source
faster to break down glucose
how do lipids different from each other
amount of fatty acids
4 main classes of lipids
triglycerides, phospholipids, steroids, waxes
sat or unsat fatty acids:
no double bonded carbon atoms
sat
sat or unsat fatty acids:
solid at room temp
sat
sat or unsat fatty acids:
source is animal fat
sat
sat or unsat fatty acids:
peanut oil
unsat
sat or unsat fatty acids:
at least one double bonded carbon
unsat
sat or unsat fatty acids:
source is plant fat
unsat
sat or unsat fatty acids:
liquid at room temp
unsat
sat or unsat fatty acids:
bacon
sat
sat or unsat fatty acids:
can contribute to heart disease
sat
sat or unsat fatty acids:
has the ability to raise good cholesterol
unsat
structure of a phospholipid
glycerol, 2 hydrophobic fatty acid chains/tails, & hydrophilic phosphate head
hydrophobic
water fearing
hydrphilic
likes water
type of lipid made of 4 fused carbon rigs is known as
steroid
example of a steroid
cholesterol
what is the test for lipids
Sudan III
positive test for Sudan III looks like
2 layers with red on top
function of nucleic acids
store & transmit genetic info
monomers of nucleic acids
nucleotides
3 parts of a nucleotide
phosphate group, nitrogenous base, 5-C sugar
how do nucleotides different from each other
nitrogenous base
ex of nucleic acids
DNA & RNA
DNA or RNA:
double chain
dna
DNA or RNA:
determines characteristics of an organism
dna
DNA or RNA:
has the sugar ribose
rna
DNA or RNA:
stores and transfers info to make protiens
rna
DNA or RNA:
has the sugar deoxyribose
dna
DNA or RNA:
single chain
rna
DNA or RNA:
directs cell activities
dna
difference between the sugars deoxyribose and ribose
they determine if its DNA or RNA
what shape is the glucose structure
6 sided
hexagon
what is the shape of the fructose structure
5 sided
pentagon