revati0012

1. 'OS' computer abbreviation usually means?

(A) Order of Significance

(B) Open Software

(C) Operating System

(D) Optical Sensor

  Q :  

What was the real name of Mumtaz Mahal?

(A) Arjumand Banu Begum

(B) Roshan Ara

(C) Ladli Begum

(D) none of these

Which animal dies by drinking water?

Why do we need a protein (hemoglobin) to carry oxygen in the bloodstream from the lungs to the tissues but no protein is needed to transport carbon dioxide from the tissues to the lungs?

1. When glucose is added and stirred, the water feels cooler. Why?

Skin creams that claim to stop the process of aging is a billion-dollar business. What are the differences between young and old skin? What factors can impact the aging process? What are some of the ingredients in these skin creams that make these claims? What do you think? Do they work?

When we remove unwanted body hair by plucking/shaving, we knowthat they grow back more or less to its natural length.

When we trim them, the hair also seem to grow back to itsnatural length, but this has mystified me for some time.

a) How does the hair know it's been cut without stress caused tothe hair follicle, and therefore start growing again; and

b) How does it know when to stop growing when it reaches theintended length?

How do depilatory creams remove hair?

Which of the following are secreted in Frank's mouth when he eats a candy bar? (you may choose more than 1 option) salivary amylase salivary lipase trypsin pepsin

The enzyme that converts triglycerides to monoglycerides andfatty acids is:

bile salts

pancreatic lipase

pancreatic amylase

chymotrypsin

trypsin.

The following enzyme is autocatalytic:

A)trypsin

B)pepsin

C)amylase

D)lipase

Part 1:

The digestive molecules found in the stomach include

A. trypsin and bile

B. pepsin and HCl

C. bile and HCl

D. pancreatic amylase and trypsin

E. trypsin and pepsin

Part 2:

Vitamin B12, which is needed for red blood cell production, requires ___ for its absorption.

A. intrinsic factor

B. bile salts

C. lecithin

D. hydrochloric acid

E. enterokinase

Which one of the following is not a digestive enzyme in the human system?

a) Trypsin
b) Gastrin
c) Ptyalin
d) Pepsin

. Matching: Match the following terms with the appropriate description: (immunology Janeway's 9th edition)

1. Using known endo- and exopeotidase, suggest a pathway for the complete degradation of the following peptide:

His-Ser-Lys-Ala-Trp-Ile-Asp-Cys-Pro-Arg-His-His-Ala

1. Why is pepsin useful as a digestive aid in precooked foods?

1. Why do phenyls and Dettol turn water milky-white when mixed with it?

• Why does a wound on tongue heal faster than those on the other parts of the body?