Cellular

?
what is RNA?
single chain of nucleotides containing ribose instead of deoxyribose
1 of 43
what does RNA not contain
thymine, uracil instead
2 of 43
which apparatus in cytoplasm is responsible for protein synthesis?
ribosomes
3 of 43
what do ribosomes do in RNA?
assemble new proteins from amino acids in cytoplasm
4 of 43
what is DNA?
double strand nucleotides in a helix shape
5 of 43
what are chromosomes
clusters of DNA molecules consisting of subunits - genes
6 of 43
what does adenine pair with in DNA
thymine
7 of 43
what does guanine pair with in DNA
cytosine
8 of 43
what are lipids?
carbon, hydrogen, oxygen
9 of 43
are lipids hydrophilic or hydrophobic?
hydrophobic
10 of 43
what are the largest molecules in the body?
nucleic acids
11 of 43
what are nucleic acids made from?
nucleotides
12 of 43
what do nucleotides consist of?
a sugar unit, a base and one or more phosphate group linked together
13 of 43
what is released when glucose is metabolised?
energy, water, CO2
14 of 43
what are amino acids?
carbon, hydrogen, oxygen, nitrogen and sulphur
15 of 43
how many amino acids make a protein?
20
16 of 43
what is a peptide bond?
when 2 amino acids join and release a molecule of water
17 of 43
what are simple sugars called?
monosaccarides
18 of 43
what are two sugars called?
diasaccarides
19 of 43
what are long sugar chains called?
polysaccarides
20 of 43
glucose is metabolised easily..
with the presence of oxygen (aerobically)
21 of 43
what are carbohydrates (sugars) made of
carbon, oxygen and hydrogen
22 of 43
what is it called when sugars link and a molecule of H2o is released?
glycosidic linkage
23 of 43
when the PH is below 7 the body is
acidic
24 of 43
web the PH is above 7 the body is
alkaline
25 of 43
what do buffers maintain?
the H+ of a solution (the PH)
26 of 43
what are covalent bonds
atoms share an electron
27 of 43
what are ionic bonds
an electron is transferred
28 of 43
which bond is more stable
covalent bond
29 of 43
are electrolytes covalent or ionic bonds
ionic
30 of 43
what is the atomic number
how many protons in nucleus
31 of 43
what is the atomic weight
protons and neutrons in nucleus
32 of 43
if the outer shell has an odd number of electrons
the atom is reactive
33 of 43
what is an isotope?
same number of protons, different number of neutrons
34 of 43
is carbon organic or inorganic
organic
35 of 43
protons..
1 unit of positive charge, 1 atomic mass unit
36 of 43
neutrons..
no electrical charge, 1 atomic mass unit
37 of 43
electrons..
1 unit negative charge
38 of 43
an atom is..
the smallest part of an element and can exist as a stable entity
39 of 43
an element is..
a chemical substance, all atoms are the same type
40 of 43
a compound is..
more than one type of atom
41 of 43
the body is a variety of
carbon hydrogen oxygen and nitrogen
42 of 43
the body is a variety of
carbon hydrogen oxygen and nitrogen
43 of 43

Other cards in this set

Card 2

Front

what does RNA not contain

Back

thymine, uracil instead

Card 3

Front

which apparatus in cytoplasm is responsible for protein synthesis?

Back

Preview of the front of card 3

Card 4

Front

what do ribosomes do in RNA?

Back

Preview of the front of card 4

Card 5

Front

what is DNA?

Back

Preview of the front of card 5
View more cards

Comments

No comments have yet been made

Similar All resources:

See all All resources »See all Cellular level of organisation resources »