Bio Digestive System

Question 1

Q: 🧪 What enzyme is produced by salivary glands and acts in the mouth at neutral pH?

Answer 1

A: 👉 Salivary amylase
🧬 Reaction: Starch + H₂O → Maltose
📍 Site: Mouth
🌡️ pH: Neutral

Question 2

Q: 🧪 Which enzyme is produced by the pancreas and acts in the small intestine to digest starch at basic pH?

Answer 2

A: 👉 Pancreatic amylase
🧬 Reaction: Starch + H₂O → Maltose
📍 Site: Small Intestine
🌡️ pH: Basic

Question 3

Q: 🧪 What enzyme breaks “maltose” into glucose in the *small intestine?

Answer 3

: 👉 Maltase
🧬 Reaction: Maltose + H₂O → Glucose + Glucose
📍 Site: Small Intestine
🌡️ pH: Basic

Question 4

Q: 🧪 What enzyme breaks “lactose” into ‘glucose and galactose’?

Answer 4

🧬 Lactase
📍 Site: Small Intestine
🌡️ pH: Basic

Question 5

Q: 🧪 Which enzyme is secreted by gastric glands and works in acidic pH?

Answer 5

🧬Pepsin
Reaction: Protein + pepsin → Peptides
📍 Site: Stomach
🌡️ pH: Acidic

Question 6

🧪 Which pancreatic enzyme digests proteins in the small intestine?

Answer 6

A: 👉 Trypsin
🧬 Reaction: Protein + H₂O → Peptides
📍 Site: Small Intestine
🌡️ pH: Basic

Question 7

Q: 🧪 What enzyme completes protein digestion into amino acids?

Answer 7

A: 👉 Peptidases
🧬 Reaction: Peptide + H₂O → Amino Acids
📍 Site: Small Intestine
🌡️ pH: Basic

Question 8

Q: 🧪 Which enzyme breaks RNA and DNA into nucleotides?

Answer 8

: 👉 Nuclease
🧬 Reaction: RNA/DNA + H₂O → Nucleotides
📍 Site: Small Intestine
🌡️ pH: Basic

Question 9

🧪 Which enzyme breaks nucleotides further into base, sugar, and phosphate?

Answer 9

👉 Nucleosidases
🧬 Reaction: Nucleotide + H₂O → Base + Sugar + Phosphate
📍 Site: Small Intestine
🌡️ pH: Basic

Question 10

🧪 What enzyme breaks down fats into simpler molecules?
🧈 FAT DIGESTION

Answer 10

A: 👉 Lipase
🧬 Reaction: Fat droplet + H₂O → Monoglycerides + Fatty Acids
📍 Site: Small Intestine
🌡️ pH: Basic