questionedithistorytranslations

What charge does a dna molecule have?

Postive
Negative
Neutral
Polar
DNA does contain in its backbone phosphates. These are negatively charged. This negative charge is responsible for the whole DNA molecule to appear negatively charged as a mild acid. So it is called* a nucleic ACID, a "DNacid".
rivking
0
Correct this question
wikipedia → DNA
6
Very interesting!
reach: rather globalbiology
Biology quiz
  You will play as

Answers by country

Postive
Negative
Neutral
Polar
answers
flagSpain
0%
70%
30%
0%
10
flagCanada
6%
60%
13%
20%
15
flagGreece
20%
60%
13%
6%
15
flagPakistan
12%
56%
12%
18%
16
flagIndia
16%
55%
25%
3%
60
flagthe United States
14%
51%
22%
11%
35
flagthe United Kingdom
19%
38%
16%
25%
31
flagthe Netherlands
18%
36%
18%
27%
11
flagPoland
20%
29%
30%
19%
1634
flagAustria
12%
24%
43%
19%
41
flagSwitzerland
18%
22%
40%
13%
22
flagGermany
17%
21%
39%
20%
147
flagNigeria
20%
20%
50%
10%
10
flagAustralia
40%
10%
40%
10%
10
flagRepublic of Ireland
0%
9%
63%
27%
11

How do baby birds get oxygen inside their eggs?

They have a large oxygen supply from the start
Oxygen is created during protein reduction
Oxygen comes in through pores in the shell
They don't need oxygen at all

How deep is the root system of a giant sequoia?

4 meters (13 feet)
20 meters (60 feet)
40 meters (130 feet)
80 meters (260 feet)

How many chromosomes does a mule have? (A horse has 64, a donkey has 62)

62
63
64
It is infertile and does not have chromosomes

Pacinian corpuscles is a receptor..?

of temperature changes
of pressure and touch
of taste
of smell