1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
d1i1m1o1n [39]
3 years ago
5

What holds the two strands of a DNA molecule together?A. Ionic bonds between negatively and positively charged ionsB. Covalent b

onds between sugars and phosphatesC. Brüno's interactionsD. Hydrogen bonds between complementary base pairs
Chemistry
1 answer:
statuscvo [17]3 years ago
8 0

Answer:

D. Hydrogen bonds between complementary base pairs89

Explanation:

A DNA molecule is composed of two long polynucleotide chains made of four types of nucleotide subunits, two purines (adenine and guanine) and two pyrimidines (cytosine and thymine). These nucleotides are joined by covalent bonds forming a phosphate-sugar backbone. <em>These strands are held to one another with hydrogen bonds between the base portions of complementary nucleotides.</em>

I hope you find this information useful and interesting! Good luck!

You might be interested in
Which statement best describes a bacterial cell?
KatRina [158]
B.) it is a complete organism
3 0
3 years ago
Read 2 more answers
Burning fossil fuels creates the ___________ gas carbon dioxide which increases global temperatures.
Flauer [41]
Greenhouse gas is your answer it is causing the greenhouse effect of trapping heat in the earth
3 0
2 years ago
Read 2 more answers
1.For Structure B the bond between carbon and sulfur is polar or non polar
Inga [223]

Answer:

polar

Explanation:

because carbon and sulfur have different electronegativities, the S=C bond is polar.

The entire molecule is nonpolar however because the dipoles (polar bonds) cancel out due to the geometry of the molecule (linear)

3 0
3 years ago
I need help with #3 name the compound
ioda
4-ethyl-3-methyl 1 hexane
4 0
3 years ago
If I touch a hot object, my hand gets hot through which type of heat transfer?
mamaluj [8]

Answer:

Thermal Transfer.

Explanation:

4 0
3 years ago
Read 2 more answers
Other questions:
  • Which element is present in all organic
    11·1 answer
  • A line in the lyman series of hydrogen has a wavelength of 122 nm. from what state did the electron originate?
    11·1 answer
  • A gas cylinder contains exactly 15 moles of oxygen gas (O2). How many molecules of oxygen are in the cylinder? 4.01 × 1022 molec
    15·2 answers
  • For the reaction below, determine the standard free energy change, δg o. cu(s) + sn2+(aq) → cu2+(aq) + sn(s) e o cell =–0.48 v v
    6·1 answer
  • What is the volume in milliliter(ml) of 250 cm ^3 beaker
    7·2 answers
  • 1) A) Balance the following equation:
    15·1 answer
  • If one of the reactants in a reaction us Na2O, what is known about the products?
    15·1 answer
  • How many atoms of fluorine are in 5.6×1022 molecules of MgF2?
    13·1 answer
  • HELP ITS DUE IN 5 MINS PLSSS Name at least one negative affect that is the result of clearing areas of a rainforest.
    13·2 answers
  • Which refers specifically to a heated solution that holds more dissolved solution than it can hold at a lower temperature?.
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!