BIOLl 1107l Examl 1l l Principlesl ofl

BIOLl 1107l Examl 1l –l Principlesl ofl Biologyl Il (Latestl 2026/l 2027l Update)l Review|l 100%l Verifiedl Questionsl &l Answersl |l Gradel A

Q:l Thel threel partsl ofl thel smalll intestine

Answer:

Duodenuml (first) Jejunuml (second) ileuml (last)

Q:l Molecularl transportersl inl smalll intestinesl transportl whatl usingl what?

Answer:

nutrientsl usingl ionl channels

Q:l Pepticl ulcersl arel causedl by

Answer:

Helicobacterl pylori

Q:l purposel ofl villil andl microvilli

Answer:

increasel surfacel areal forl absorption

Q:l doesl facilitatedl diffusionl needl ATP?

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Answer:

No

-Withl concentrationl gradeint

Q:l pyloricl sphincterl location?

Answer:

betweenl stomachl andl duodenum

Q:l emulsification

Answer:

physicall processl ofl breakingl upl largel fatl globulesl intol smallerl globules,l therebyl increasingl thel surfacel areal thatl enzymesl canl usel tol digestl thel fat

Q:l Bilel function

Answer:

emulsificationl ofl fats

Q:l Thel liverl secretes?

Answer:

bicarbonatel ionsl andl bile

Q:l Bilel isl storedl inl the

Answer:

Gallbladder

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Q:l Gastrinl function

Answer:

Stimulatesl thel stomachl tol releasel hydrochloricl acidl andl pepsinogenl

-releasedl whenl proteinsl arel presentl inl stomach

Q:l Secretinl function

Answer:

1.l triggersl pancreasl tol releasel bicarbonatel (neutralizesl acid) 2.l triggersl pancreasl tol releasel enzymes

Q:l Cholecystikininl (CCK)l function

Answer:

Stimulatesl thel releasel ofl pancreaticl juices

Q:l GIPl (gastricl inhibitoryl peptide)l hormonel doesl what?

Answer:

Stimulatesl insulinl releasel byl pancreas

Q:l Lumen

Answer:

Thel insidel diameterl ofl thel digestivel tract

Q:l Proteasel breaksl downl what

Answer:

Proteinsl intol aminol acids

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