Question

The enzymes found in intestinal juice finally convert
A. fats into fatty acids and glycerol
B. proteins into amino acids
C. complex carbohydrates into glucose
D. all of these

Answer 1

Hint:
The synthesis of enzymes and nutrient absorption occurs mostly in the small intestine during digestion. The small intestine's duodenum receives enzymes from the liver and pancreas to aid in chemical breakdown; the resulting chyme is then transported into the large intestine through peristalsis via the jejunum and ileum.

Complete answer:
Chyme travels from the stomach to the small intestine, which is where protein, lipid, and carbohydrate absorption takes place. The tiny intestine, or villi, is an extended tube-shaped organ with a heavily folded surface covered with finger-like projections. Each villus has a number of tiny projections called microvillus on its apical surface.
These structures are lined with epithelial cells on the luminal side to enable the nutrients from the digested food to be absorbed into the bloodstream on the other side. With their numerous folds, the villi and microvilli enhance the surface area of the intestine and speed up nutrient absorption.
Bicarbonate, which is abundant in the alkaline solution and balances the chyme's acidity, also serves as a buffer. Digestive fluids from the pancreas, liver, and gallbladder as well as gland cells from the intestinal wall itself can enter the duodenum. Fatty acid absorption happens there as well.
The second segment of the small intestine is thought to be the jejunum. Here, nutritional breakdown proceeds as the majority of the carbs and amino acids are consumed by the gut lining. The jejunum is where most chemical digestion and nutrient absorption take place.
The ileum is the last segment of the small intestine. Vitamins and bile salts are taken into the bloodstream at this location. Through peristaltic movements of the muscle from the ileum to the colon, the undigested food is transported through the ileocecal valve. The ileocecal valve is where the vermiform, or worm-like, appendix is situated. The human appendix plays a little role in immunity and does not release any enzymes.
The tiny stomach is where food digestion takes place. After passing through the small intestine, the undigested food travels to the large intestine for absorption.
Hence, the correct option is all of these

Option ‘D’ is correct

Note:
The digestive tract's longest organ, the small intestine, is nearly three times longer than the human body. Your body absorbs 90% of the nutrients we consume into your blood through the small intestine. The largest concentration of serotonin, a hormone that helps regulate mood and improves sleep, are found in your gastrointestinal tract.