WILL MARK BRAINLIEST!
The two sides of the DNA ladder are held together loosely by hydrogen bonds. Answer the following questions:
1. The bases are on the _ (interior/exterior) of the double helix.
my interior
2. They are arranged _ (randomly/neatly stacked).
my neatly stacked
3. The phosphate groups are on the _ (interior/exterior) of the DNA molecule.
my exterior
4. The sugar groups on the _ (interior/exterior) of the DNA molecule.
my exterior

just to make sure these are correct^

it is to be noted that an alpha particle is an helium nucleus. so it contains 2 protons 2 neutrons and has a mass number of 4. when alpha decay particles are ejected from the nucleus it gets transformed into an atom which has atomic number less than 2 and a mass number less than 4.

an equation that could represent alpha decay is radium 226 decay of alpha particle forms radon 222.

→

the transfer of heat by electromagnetic radiation is called thermal radiation . it is usually carried out by electromagnetic waves in an energy range just below the visible spectrum, which is the infrared range.

so the answer would be radiation.

: )

(b) which contains higher levels of vitamin b, oranges or spinach?

explanation:

you can eliminate a, c, and d because they are questions based on opinions.