« previous next »

Author Question: Lactose, a sugar in milk, is composed of one glucose molecule joined by a glycos (Read 809 times)

camila

  • Hero Member
  • *****
  • Posts: 705
on: Jun 5, 2013
Lactose, a sugar in milk, is composed of one glucose molecule joined by a glycosidic linkage to one galactose molecule. How is lactose classified?
A) as a pentose
B) as a hexose
C) as a monosaccharide
D) as a disaccharide
E) as a polysaccharide


ricki

  • Full Member
  • ***
  • Posts: 200
Reply #1 on: Jun 6, 2013
Try this as the answer D. Hope it helps.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

camila

  • Hero Member
  • *****
  • Posts: 705
Reply #2 on: Jun 6, 2013
Thanks :-*


« previous next »
 

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Blood glucose monitor. Blood glucose monitor.
D-Glucose Spectrum D-Glucose Spectrum
One unit of clathrate structure surrounding a hydrophobic molecule (yellow) One unit of clathrate structure surrounding a hydrophobic molecule (yellow)
The crystal structure of an IgG molecule from mouse The crystal structure of an IgG molecule from mouse
The RecA strand exchange reaction as shown from single-molecule studies The RecA strand exchange reaction as shown from single-molecule studies
Milk is essential source of calcium Milk is essential source of calcium
Video: Angiotensin II - kidneys, adrenal glands and dehydration

For a complete list of videos, visit our video library