Content Practice A
LESSON
DNA and Genetics
Directes o low water from the world that comedy composer la
ale de
DAA
double bois
perde dinder mutades
nitrogen
and des
phosphate
proteine
replican
RNA
transcription
traadation
1. Chromosomes are made of Proteins
DNA
tof
to put
2 color or
omosome.
ponucleic
DNA is an
DNA on a
are tightly
t possible for
are encoded in segments of its
2. An organism's
chromosomes called
3. A DNA molecule is shaped like a twisted ladder, a shape that is called
طوطا (مد
are made of a sugar, n)
nitroen
1. The genetik units called Duclendide
froupand n) nitro
5. The process by which a new copy of a DNA molecule is created is
called Implication
t is called a
le figure or
molecules carry out genetic Instructions for
6. Three kinds of
the production of proteins
and
7. This process involves two main steps, called
ape of DN
X-rays to
was a hel
one of
build
ays as
by 2
lan
are linked
&. In the second of those steps, units called
together.
mutation
9. A change in a gene's sequence of nucleotides is called a(n)
ller
10. A change in a gene's sequence of nucleotides can lead to an)
such as cystic fibrosis
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