2006-09-25 16:50:56 · 9 answers · asked by duncefremen 2 in Science & Mathematics ➔ Biology
False, and I have co-workers to prove it.
2006-09-25 17:00:03 · answer #1 · answered by Ron D 4 · 0⤊ 1⤋
False. While reposing in a cell, DNA is double-stranded, but during cell division the strands separate so that replication can occur. DNA can also be rendered single-stranded in the laboratory by heating.
2006-09-25 16:54:28 · answer #2 · answered by Anonymous · 0⤊ 0⤋
Pretty much...unless it's going through replication...but yes, overall DNA is in the shape of a double helix (twisted ladder) and it does have two strands.
Unless of course you're messing with it...but I don't think the question calls for that. You should assume it's in a natural state.
Then again what are you studying? Some microorganisms do some weird things with DNA.
2006-09-25 17:00:51 · answer #3 · answered by Shaun 4 · 0⤊ 0⤋
Animal DNA is double stranded however if the question includes bacteria and other microorganisms, the answer is false.
2006-09-25 19:08:54 · answer #4 · answered by Lindsay 4 · 0⤊ 0⤋
Here's a tip...anytime a question says "ALL" and "true or false", the answer 95% of the time is "false".
DNA is deoxyribonucleic acid, which refers to the sugar that composes it. However, it does not indicate single or double stranded.
2006-09-25 16:53:50 · answer #5 · answered by Tiramysu 4 · 1⤊ 0⤋
False. There are some viruses that have single-stranded DNA.
2006-09-25 17:01:48 · answer #6 · answered by southeastside 2 · 0⤊ 0⤋
ssDNA viruses (single stranded DNA) are the only exception I know of. Even during replication there is only an extremely small fraction that is not double stranded.
2006-09-25 17:10:22 · answer #7 · answered by Anonymous · 0⤊ 0⤋
a double helix?
yes
2006-09-25 16:53:28 · answer #8 · answered by Anonymous · 0⤊ 0⤋
True except for when it is false!
2006-09-25 16:55:19 · answer #9 · answered by its me 1 · 0⤊ 2⤋