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
hoa [83]
2 years ago
9

Why isn't it possible for adenine to pair with cytosine or guanine?

Biology
1 answer:
IRINA_888 [86]2 years ago
5 0

Answer:

Thymine and uracil or adenine have two hydrogen bonds between them, whereas guanine and cytosine have three.

You might be interested in
The secretion of tears, milk, sweat, and saliva are functions of what tissue
drek231 [11]

The tissue that corresponds to this would be epithelial

4 0
3 years ago
PLEASE HELP!!! WILL MARK BRAINLIEST!!!
iren [92.7K]
B. They make their own food, Position 1 because all of those animals would have jaws. B. Cellular Respiration, A. They belong to the same kingdom but different phyla.
8 0
3 years ago
IF most of the energy we use on earth comes from the sun –how does that energy (light and thermal) end up
____ [38]

Answer:

1: Chemical Energy

2: Kinetic Energy

3: Electrical Energy

4: Mechanical Energy

Explanation:

1: The energy held in food is called <em>chemical energy. </em>It is a form of <u>potential energy</u> held within chemical bonds between atoms.

2: When flowing water is captured and turned into electricity, it is called hydroelectric power or hydropower. There are several types of hydroelectric facilities; they are all powered by the <em>kinetic energy of flowing water</em> <u>as it moves downstream.</u>

3: The power for lights and stuff is <em>Electrical</em><em> </em><em>Energy</em><em>,</em> ofc :]

4: The <u>chemical energy in the food</u> gets changed into the <em>mechanical energy</em> of <u>moving muscles.</u>

<u>Hope</u><u> </u><u>this</u><u> </u><u>helps</u><u>!</u><u>!</u><u> </u><u>:</u><u>D</u>

5 0
2 years ago
All of the following make up the three major categories of environmental problems except *
SVETLANKA909090 [29]

Answer: Resourse depletion

Explanation:

8 0
3 years ago
The most important cause of the age-related drop in female fertility is
RideAnS [48]
<span>Actually some of the important causes for the age related drop in female fertility is due to some chronic bad habits like chain smoking, regular alcohol intake and taking big dose of drugs, and also due to wrong diet or junky bad food habits, then mainly its due to hormone imbalance problems.</span>
7 0
3 years ago
Other questions:
  • Which chemical magic reactions could be used to store energy?
    13·1 answer
  • Why soils in different locations around the world have different properties
    5·1 answer
  • Scientists can track the movement of proteins through the endomembrane system using an approach known as a pulse-chase experimen
    13·1 answer
  • You’re doing a clinical at the local hospital when you meet Mr. T, a 23-year-old man who has suffered a complete spinal injury a
    14·1 answer
  • Which organelle stores and transports material?
    8·1 answer
  • To survive<br> As the environment changes, all organisms must
    8·2 answers
  • An engineer is developing a new prosthetic leg to help patients who have lost limbs to walk. The engineer is focused on making t
    10·1 answer
  • A researcher has performed a BLASTp search for a protein of interest. He identifies a globular protein that shares 30 percent of
    13·1 answer
  • Which one of the following is the correct answer ?
    13·1 answer
  • What is the symbol for aluminum
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!