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
salantis [7]
2 years ago
7

What holds the base pairs of DNA together? A. Covalent bonding B. Double helix C. Ionic bonding D. Hydrogen bonding

Biology
1 answer:
Sholpan [36]2 years ago
3 0
The answer would be D. Hydrogen bonding. 
You might be interested in
Briefly describe how the experiments of Avery, McCarthy, and MacLeod, building on the work of Griffith?
satela [25.4K]
The Avery–MacLeod–McCarty experiment<span> was an experimental demonstration, reported in 1944 by </span>Oswald Avery<span>, </span>Colin MacLeod<span>, and </span>Maclyn McCarty<span>, that </span>DNA<span> is the substance that causes </span>bacterial transformation<span>, in an era when it had been widely believed that it was </span>proteins<span> that served the function of carrying genetic information (with the very word </span>protein<span> itself coined to indicate a belief that its function was </span>primary<span>).

It was the culmination of research in the 1930s and early 20th Century at the </span>Rockefeller Institute for Medical Research<span> to purify and characterize the "transforming principle" responsible for the transformation phenomenon first described in </span>Griffith's experiment<span> of 1928: killed </span>Streptococcus pneumoniae<span> of the </span>virulent<span> strain type III-S, when injected along with living but non-virulent type II-R pneumococci, resulted in a deadly infection of type III-S pneumococci.

In their paper "</span>Studies on the Chemical Nature of the Substance Inducing Transformation of Pneumococcal Types: Induction of Transformation by a Desoxyribonucleic Acid Fraction Isolated from Pneumococcus Type III<span>", published in the February 1944 issue of the </span>Journal of Experimental Medicine<span>, Avery and his colleagues suggest that DNA, rather than protein as widely believed at the time, may be the hereditary material of bacteria, and could be analogous to </span>genes<span> and/or </span>viruses<span> in higher organisms.</span>
5 0
2 years ago
A cone has a volume of 7,560 cubic millimeters . what is the volume of a similar come that is one sixth size of this cone?
IRINA_888 [86]
Answer: 1,260 cubic mm

(1/6)(7,560) = 7,560/6 = 1,260
multiplying by 1/6 is the same as dividing by 6 (6 and 1/6 are reciprocals)

6 0
2 years ago
Read 2 more answers
How does natural selection negatively impact humans? Use complete sentences to explain with the help of an example.
Neko [114]

Answer:

In general, negative selection eliminates from the population very harmful changes to proteins that kill or stop reproduction. ... The authors also found a correlation between genes predicted to be under negative selection and genes implicated in certain hereditary diseases

Explanation:

5 0
2 years ago
Which botany phenomenon is primarily based on an understanding of physics? . . . A.The way plant pollen is carried by wind to an
belka [17]
A.The way plant pollen is carried by wind to another plant.
8 0
3 years ago
Read 2 more answers
The cytoplasm surrounds the nucleus of the cell and contains organelles. Select the organelles found in the cytoplasm. Select al
serg [7]
All of them are found in the cytoplasm
8 0
3 years ago
Other questions:
  • WILL MARK BRAINLIEST! HELP ASAP
    13·1 answer
  • Plants use sunlight to convert nutrients into energy. What form of energy transfer is taking place?
    10·2 answers
  • Female cones produce what? Which contain eggs
    12·2 answers
  • Describe two ways in which animals must maintain homeostasis
    15·1 answer
  • What are the 3 ingredients that plants need in order to preform photosynthesis
    12·1 answer
  • During the process of cell division both plants and animal cells
    15·2 answers
  • What types of organisms serve as the producers at the bottom of the ocean
    13·1 answer
  • What is the principal to crop rotation
    14·1 answer
  • The DNA sequence for Species A is mutated to: GAC-TGA-CTC-CAC-TGG. What is the effect, if any, on the protein produced?
    7·1 answer
  • Organism A shares 50% of its DNA sequences with organism B, while organisms B and C share 90% of their DNA sequences. What can b
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!