The average total air holding lung capacity of an adult human Female is about _________of air.

• A) 200 mL
• B) 2300 mL
• C) 4200 mL
• D) 9000 mL

Serotonin is found in high concentration in the ____________ and blood platelets.

• A) Muscles
• B) Liver
• C) Head
• D) Gut

During Inspiration, the diaphragm_____________.

• A) Relaxes to become dome shaped
• B) Shows no change
• C) Expands
• D) Contracts

Amphibians, reptiles and mammals have ______________ baroreceptors in central Cardiovascular system.

• A) Myelinated
• B) Unmyelinated
• C) Myelinated, Unmyelinated
• D) Myelin sheath

Angiotensin II is produced in______________.

• A) Liver
• B) Stomach
• C) Kidney
• D) Lungs

_____________is a potent vasoconstrictor hormone.

• A) Endothelin
• B) Prostacyclin
• C) Histamine
• D) Plasma kinins

A male human can forcefully expel additional ________air by use of accessory muscles.

• A) 7000 mL
• B) 9000 mL
• C) 1000 mL
• D) 10000 mL

Each daughter duplex has one parental strand and one new strand due to ..........

• A) Semi-conservative replication
• B) Dispersive replication
• C) Conservative replication
• D) Both conservative and dispersive replication

In case of _____ replication, the resulting DNA strands are linked.

• A) linear
• B) cationinc
• C) bubble
• D) circular

The transient excursion model of transcription says that there are transient cycles of forward and backward translocation of ____.

• A) RNA
• B) DNA polymerases
• C) DNA
• D) RNA polymerases

Transcription is chemically and enzymatically, very similar to

• A) RNA replication
• B) DNA replication
• C) Translation
• D) All of these

Why the DNA of E.coli is called single replicon?

• A) all of these are wrong
• B) single origin of replication
• C) small chromosome
• D) absence of nucleus

Four deoxynucleoside triphospahtes are

• A) dSDP, dCTP, dATP & dTTP
• B) None of these
• C) dGTP, dCTP, dATP & dTTP
• D) dGTP, dCTP, dCCP & dTTP

In open complex, region 1.1 of sigma is ____ charged.

• A) neutral
• B) negatively
• C) positivly
• D) partially positively

"Two parental strands separate and that each then serves as a template for a new progeny". This statement proposed by ........

• A) Mendel
• B) None of the given options
• C) Meselson and Stahl
• D) Watson and Crick

Helicase is responsible for increasing the activity of ______.

• A) polymerase
• B) RNAse
• C) DNAse
• D) primase

During elongation of RNA, the length of transcription bubble is _____.

• A) changing
• B) increasing
• C) decreasing
• D) constant

Supercoils in DNA are removed by the action of

• A) Topoisomerases
• B) Polymerases
• C) Helicases
• D) All of these

Nucleoside triphosphate have three phosphoryl groups attached to the ........ hydroxyl of deoxyribose.

• A) 2'
• B) 1'
• C) 5'
• D) 3'

In initiation of transcription, RNA polymerase binds with ____.

• A) primer
• B) promises
• C) primase
• D) promoter