Theories of ageing, Biology

Assignment Help:

THEORIES OF AGEING -

1.       Compromise theory.

2.        Wear & tear theory.

3.       Somatic mutation theory.

4.       Immunity theory - Thymus becomes less active

5.       If matabolic rate is high, die sooner.

Gerentology deals with age of animal.


Related Discussions:- Theories of ageing

Evolutionary species concept, The evolutionary species concept which ident...

The evolutionary species concept which identifies a species as a "lineage (i.e. ancestor descendant sequence of population) evolving separately from others with its own unitary ro

Do the arteries that carry blood from the heart to the lungs, Do the arteri...

Do the arteries that carry blood from the heart to the lungs have arterial or venous blood? What happens to the blood when it passes through the lungs? Arteries of the pulmonar

Which substance does not contain hormones , Hormones are composed from seve...

Hormones are composed from several classes of molecules. As far as our present knowledge extends, hormones are not found in which of the subsequent categories of substances: a)

Exchange of cells between the mother and the fetus, Q. Is there an exchange...

Q. Is there an exchange of cells between the mother and the fetus through the placenta? Under usual conditions there is no passage of cells across the placenta during gestation

Childhood obesity, Specify the things needed for a nurse-led primary health...

Specify the things needed for a nurse-led primary health care practice relating to childhood obesity. In particular, you need to do the following two things: (a) Indicate:

What is resting membrane potential of an axon, Action potentials include ch...

Action potentials include changes in the membrane potential of an axon, as shown in the schematic below. During the refractory period, sodium channels are inactivated and

Human skeleton, what are the main coponents of human skeleton?

what are the main coponents of human skeleton?

What is the difference between the concepts of genome, Q. What is the diffe...

Q. What is the difference between the concepts of genome and karyotype? Genome is the set of DNA molecules that characterizes each species or each living being. The concept the

Question 1, Which type of reproductive structure has a better chance of sur...

Which type of reproductive structure has a better chance of survival if there was a sudden temperature change in its environment? A.)asci B.)zygosporangium C.)basidium D.)lichen

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd