Bio Lecture Exam Flashcards
- Which compound held together by ionic bond
Ionic compound?
- All of the following r (examples of) macromolecules except
Either amino acids or fatty acids
- Correct order of complexity of life
Atoms >molecules>cells>organism>
- How many neutrons in phosphorous?
16 neutrons (31-15(protons))=16
- Bohr model of methane
All bonds contain paired electrons shared between carbon and hydrogen
16, which statement of lipids is true
They can act as an energy source
Cholesterol and fats r dif varieties of lipids, fat molecules contain c h and o, lipids r insoluble in water,
lipids r an important component of biological membranes
- Particles that have a net negative charge
Electron
19 condensation reaction , reaction occurs during formation of which protein structure
H20 or peptide backbone< most likely that
20 6 elements that r most common in organisms
Carbon hydrogen nitrogen oxygen phosphorus sulfur
- Not 1 of the major steps in the hypothesis/prediction approach
Stating opinion
22 define atomic number
of protons, the one top ex hydrogen # is 1
- Glucose fructose both have the formula c6h12o6 but dif, known as?
Isomers
- Diff between acids and base
Acids donate proton( hydrogen ion
Base accept proton (hydrogen ion
- Basic structural and physiological unit of most organisms
Cell
- Polysaccharide and monosaccharides linked by
Glycosidic bond
- A peptide bond forms between
Carboxy group amino group
2 amino group
31p and 32p have the same
of electrons
31 which characteristic of water contributes most to
High specific heat
32 statements about an atom
Have as many neutrons as electrons
- Main function of cellulose
Physical support/ strength
34, how does this model shown differ from triglyceride?
3 phos 2 fatty acids
- A triglyceride contains fatty acids and what
Glycerol
- Diff in electro negativity in atoms that share electrons in a bond r involved in..
How polar?
- Unsaturated fatty acids do not pack together because of
Double bonds
