OBJECTIVE LIFE SCIENCE
BIOTECHNOLOGY
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
DNA is in the shape of a:
|
|
single helix.
|
|
|
single circle.
|
|
|
double circle.
|
|
|
double helix.
|
Explanation:
Detailed explanation-1: -A DNA molecule is made up of two linked strands that wind around each other to resemble a twisted ladder in a helix-like shape. Each strand has a backbone made of alternating sugar (deoxyribose) and phosphate groups.
Detailed explanation-2: -DNA is made of two linked strands that wind around each other to resemble a twisted ladder-a shape known as a double helix.
Detailed explanation-3: -Each DNA molecule is actually a pair of strands wound together, forming a double helix.
There is 1 question to complete.