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
grin007 [14]
3 years ago
14

Which of the following is true of penguins?

Biology
1 answer:
Alexxx [7]3 years ago
5 0

A. They live in the polar regions of the Northern and Southern Hemispheres.

You might be interested in
Now that you have identified the components of DNA, can you describe how these components bind together to form a DNA molecule?
omeli [17]

The question is incomplete. The complete question is attached below.

Answer:

1. DNA is the polymer of deoxyribonucleotides that contain the nitrogenous base, pentose sugar and phosphate group. The phosphate is attached with the 3 C position of the deoxyribose sugar. This leads to teh formation of phosphodiester bond.

2. The DNA backbone consists of phosphate and sugar. The nitrogenous bases are inserted inside the DNA molecule. These nitrogenous bases are linked together by the hydrogen bonds.

3. The adenine binds requires two hydrogen bonds to bind with thymine. This provide complementary nature to the DNA molecule. Uracil is present instead of thymine in RNA .

4. The guanine binds requires three hydrogen bonds to bind with cytosine. More amount of energy is required to break their bonds.

8 0
3 years ago
Select the correct statement about the evolution of animals.
WARRIOR [948]

Answer:

The correct answer is b. The oldest generally accepted fossils of large animals range in age from 565 to 550 million years old.

Explanation:

The oldest one of them all is the hematite tubes, that are dated about 3.77 billion to 4.2 billion years and it's from a yet unknown bacteria.

5 0
3 years ago
Why cant the japanese people say the letter r?​
kozerog [31]

Explanation:

There's a simple reason why Japanese people can't pronounce R and L correctly.  They don't exist in Japanese.  

Hope this helps :)

8 0
3 years ago
Reactants capable of interacting to form products in a chemical reaction must first overcome a thermodynamic barrier known as th
aniked [119]

Answer:

Explanation:way

Hey I did a good night morning is the time for the

3 0
3 years ago
The leaves of deciduous plants are broad, flat and designed to facilitate
Afina-wow [57]

Answer:

Closing the stomata, or stoma, on the underside of the leaves in order to reduce water loss through the stoma during transpiration.

4 0
3 years ago
Other questions:
  • Which of the following traits would be least useful in a phylogenetic analysis? A) A trait that is altered easily by small chang
    6·1 answer
  • Put the five kingdoms of living things in order from the simplest organism to the most complex
    13·1 answer
  • The atmospheric greenhouse effect is due primarily to the fact that
    6·1 answer
  • Which of the following is a method used to prevent soil depletion?
    5·2 answers
  • A mutation creates a dominant negative allele of a particular gene. The normal allele of the gene encodes a protein that forms a
    11·1 answer
  • What is a instructive igneous rock
    10·1 answer
  • Why are invasive species a threat to biodiversity
    11·2 answers
  • Which structures are common to both plant and animal cells? Check all that apply.
    11·2 answers
  • 6. After a person eats a large meal, glucose begins to move into the bloodstream and the
    13·1 answer
  • Which two parts of the cell are unique to plant cells?.
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!