Which of the following statements is supported by Chargaff's rule about the composition of DNA?
A:DNA is a single stranded nucleic acid that contains uracil.
B:The number of adenines in a strand of DNA is equal to the number of thymines.
C:The "steps" of the DNA ladder are made of sugar and phosphates.
D:DNA is a complex of RNA wrapped around protein
Why is DNA replication said to be semiconservative?
A:The old cell keeps part of the original DNA during cell division.
B:The new DNA strand can only be constructed in the 3' to 5' direction.
C:The double helix becomes a single strand of DNA.
D:New DNA has one original strand and one replicated strand.
Which of the following is the complimentary DNA strand for the sequence shown below?
ACT GCA
A:ACG TCA
B:ACU GCA
C:UCT GCU
D:TGA CGT
What is the central dogma of molecular biology? Explain its meaning.
Answers: 2
Biology, 21.06.2019 20:50
What occupation did muhammad have before the first revelation
Answers: 1
Biology, 22.06.2019 04:30
Quick asap will give brainiest ! what best describes the same pattern of tides on earth throughout the day? neap tides spring tides semidiurnal tides nocturnal tides
Answers: 1
Biology, 22.06.2019 10:50
The cretaceous period spanned the time interval between and 65 million years ago. 250 million 144 million 75 million 200 million
Answers: 2
Biology, 23.06.2019 00:40
How do herbicide-resistant plants farmers? a.farmers can spray for weeds without killing the crops b.the plants kill the weeds c.the soil is enriched for future plantings
Answers: 1
Which of the following statements is supported by Chargaff's rule about the composition of DNA?
Mathematics, 05.01.2021 23:40
Mathematics, 05.01.2021 23:40
Mathematics, 05.01.2021 23:40
Mathematics, 05.01.2021 23:40
English, 05.01.2021 23:40
Mathematics, 05.01.2021 23:40
Mathematics, 05.01.2021 23:40
Mathematics, 05.01.2021 23:40
Mathematics, 05.01.2021 23:40
Mathematics, 05.01.2021 23:40
Chemistry, 05.01.2021 23:40
History, 05.01.2021 23:40