NATS1675 TEST 2 REVIEW 2025
QUESTIONS ADN ANSWERS
7 functional groups + polarity? - ....ANSWER ...-1. hydroxyl - polar
2. carbonyl - polar
3. carboxyl - acidic
4. amino - basic
5. phosphate - acidic
6. sulfhydryl - polar
7. methyl - non-polar
_____ bonds form when outer shell electrons are shared between atoms. ? -
....ANSWER ...-covalent
_____ is the process through which monomers are linked together through the
removal of a water molecule to form polymers, whereas _____ is the process that
breaks polymers apart by the addition of water. - ....ANSWER ...-
dehydration, hydrolysis
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 1
, Define hydrophilic. - ....ANSWER ...-water loving, attracts/ absorbs
Define "fertilization". - ....ANSWER ...-union of gametes (sperm and egg) to
create zygote (first living cell)
Describe how a hydrogen bond forms. - ....ANSWER ...-attraction between
each a positive and negative end of 2 polar molecules
Describe the blastocyst - ....ANSWER ...-hollow ball of cells, made of
trophoblast, inner cell mass, blastocoel (fluid filled)
just freed from zona pellucida
Describe the morula. - ....ANSWER ...-solid ball of cells, pre-embryo,
surrounded by zona pellucida
Describe the structure of the blastocyst. - ....ANSWER ...-Trophoblast
(becomes placenta); surrounding
Inner cell mass (becomes embryo); inside
Blastocoel (fluid); inside
Describe what happens during Ovulation. - ....ANSWER ...-follicles fill with
fluid, balloons out
follicle then bursts and releases egg cell
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 2
QUESTIONS ADN ANSWERS
7 functional groups + polarity? - ....ANSWER ...-1. hydroxyl - polar
2. carbonyl - polar
3. carboxyl - acidic
4. amino - basic
5. phosphate - acidic
6. sulfhydryl - polar
7. methyl - non-polar
_____ bonds form when outer shell electrons are shared between atoms. ? -
....ANSWER ...-covalent
_____ is the process through which monomers are linked together through the
removal of a water molecule to form polymers, whereas _____ is the process that
breaks polymers apart by the addition of water. - ....ANSWER ...-
dehydration, hydrolysis
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 1
, Define hydrophilic. - ....ANSWER ...-water loving, attracts/ absorbs
Define "fertilization". - ....ANSWER ...-union of gametes (sperm and egg) to
create zygote (first living cell)
Describe how a hydrogen bond forms. - ....ANSWER ...-attraction between
each a positive and negative end of 2 polar molecules
Describe the blastocyst - ....ANSWER ...-hollow ball of cells, made of
trophoblast, inner cell mass, blastocoel (fluid filled)
just freed from zona pellucida
Describe the morula. - ....ANSWER ...-solid ball of cells, pre-embryo,
surrounded by zona pellucida
Describe the structure of the blastocyst. - ....ANSWER ...-Trophoblast
(becomes placenta); surrounding
Inner cell mass (becomes embryo); inside
Blastocoel (fluid); inside
Describe what happens during Ovulation. - ....ANSWER ...-follicles fill with
fluid, balloons out
follicle then bursts and releases egg cell
....COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED...TRUSTED & VERIFIED 2
