telomeres biology and its relativity to cancer and age

1. Dr : Hussein Sabit
Eman Mohamed
T
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2. structure
# Repeating DNA sequence . i.e ,
( TTAGGG ) at the tip of
chromosome .
# telomere length about 15000
Base pairs .
.

3. cont
# composed of double strands of DNA , Telomere
overhangs is single strands .

4. FUNCTION
# cap function.
# control cell division.
# hold some secrets to how we
age and get cancer.

5. SHORT
TELOMERES

6. TELOMERES & AGING
# The length of telomeres is
the most accurate indicator of
the speed the person is aging.
# It is not yet known whether
shorter telomeres are just a sign
of aging – like gray hair – or
contribute aging .