Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
29 Cards in this Set
- Front
- Back
What is the vast majority of the characteristics of an atom determined by?
|
number of protons in the nucleus
|
|
What are the four types of nucleotide bases?
|
adenine, thymine, guanine, and cytosine
|
|
DNA is made of a double chain of ____.
|
nucleotides
|
|
What are nucleotides made up of?
|
deoxyribose, phosphate group, nucleotide base
|
|
What is DNA held together by?
|
hydrogen bonding, which links certain nucleotide bases together
|
|
What can thymine link to?
|
adenine
|
|
What can guanine link to?
|
cytosine
|
|
What can adenine link to?
|
thymine
|
|
What can cytosine link to?
|
guanine
|
|
Acids contain what pattern of atoms bonded together?
|
O
|| C-OH |
|
What do you need to form a lipid?
|
3 fatty acid molecules and one glycerol molecule
|
|
What kind of reaction forms a lipid?
|
dehydration
|
|
What kind of reaction forms proteins?
|
dehydration
|
|
What kind of reaction breaks polysaccharides or disaccharides into monosaccharides?
|
hydrolysis
|
|
What kind of reaction links monosaccharides into poly/disaccharides?
|
dehydration
|
|
A carbohydrate has 4 carbon atoms; what kind is it?
|
mono
|
|
What kind of bond links amino acids together to make proteins?
|
peptide bond
|
|
Are lipids attracted to water?
|
no, they're hydrophobic
|
|
A lipid has a double bond between two carbon atoms; is it unsaturated or saturated?
|
saturated
|
|
A lipid has no double bonds between its carbon atoms; is it unsaturated or saturated?
|
unsaturated
|
|
People and animals store excess sugar as a ____ called _____.
|
starch; glycogen
|
|
pH level less than 7 is:
|
acidic
|
|
pH level higher than 7 is:
|
alkaline (base)
|
|
pH 7 is:
|
neutral
|
|
What 4 things does photosynthesis require?
|
carbon dioxide, water, sunlight, and chlorophyll
|
|
What is the chemical equation for photosynthesis?
|
6CO2 + 6H2O → C6H12O6
|
|
What does photosynthesis produce?
|
oxygen and glucose
|
|
What five elements are in organic molecules?
|
carbon + hydrogen, oxygen, phosphorus, nitrogen, or sulfur.
|
|
In C-8 what does the 8 mean?
|
how many protons and neutrons are in the nucleus
|