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
Anvisha [2.4K]
3 years ago
12

How many types of nucleotides are in dna, and how do they differ?

Biology
1 answer:
mr_godi [17]3 years ago
3 0
There are 4 nucleotides. Guanine (G), Cytosine (C), Thymine (G) and Adenine (A).
C and T are called pyrimidines, and are longer than G and A.
G and C connect using 3 hydrogen bonds, but A and T bond using only 2.
You might be interested in
What is the difference between climate and weather? If you’re not sure, take a guess.
vlada-n [284]
The difference between weather<span> and </span>climate<span> is a measure of time. </span>Weather<span> is what conditions of the atmosphere are over a short period of time, and</span>climate<span> is how the atmosphere "behaves" over relatively long periods of time.</span>
4 0
3 years ago
Read 2 more answers
What is the relationship between mutation, natural selection, and adaptation? ​
balu736 [363]

Explanation:

well a mutation in my opinion is genetic change that happened in the animal this could be beneficial or may not be. natural selection is a process that ensures only the best of the species survives and more of them will produce because all of the flawed ones will die off. adaptaion is when a plant or animal adapts to its surrounding over time they may develop a charterisric that will help them thrive. all of them tie togethor

3 0
3 years ago
Joel is comparing two slides showing chromosomes in a sperm cell and a skin cell of a dog. He finds that the sperm cell has 39 c
leonid [27]
Using the concept that :
<span>The skin cell has twice the number of chromosomes as the sperm cell has.
</span>Hence,
<span>The sperm cell has 39 chromosomes.
The skin Cell will have = 39 x 2
                                    = 78 </span><span>chromosomes.</span>
8 0
3 years ago
Read 2 more answers
Drag each of the following organs to the appropriate organ system. Labels can be used more than once if the organ is a major par
Sergio039 [100]

Answer:

Nervous-brain as the components of the central nervous system,together with the spinal cord.

Digestive-Stomach as the components of the upper digestive or alimentary canal.It is for temporary storage and digestion of foods.

Small intestine where final digestion and absorption takes place

Respiratory-Lungs.-paired in mammals is for exchange of gases.

-Trachea as part of the upper respiratory system,conducts airways to the lungs

Reproductive-Ovary female reproductive organ for ova production

Urinary-Ureter for conducting urine to the bladder from the kidney to penis and orifice in females to the exterior.

Cardiovascular( the heart and the blood vessels)- heart the pumping organ into the blood vessels.

Endocrine-Thyroid gland for secretions of thyroid hormones -T3 and T4.

Pancreas for insulin and glucagon productions,and helps in digestion,

Integumentary-Skin,for protection of the body.

Lymphatic-Spleen.This forms the lymphatic system  for formation of un reabsorbed tissue fluids the lymph.

Skeletal-Bones for support and rigidity of the body,by attaching to the bones,

Muscular system-muscles for stability of the body in mammals.

Explanation:

5 0
3 years ago
HELP PLEASE BRAINLIST
velikii [3]
D. 1 female has freckles
3 0
3 years ago
Read 2 more answers
Other questions:
  • The formation of new organisms is called
    12·1 answer
  • Human cells have 46 chromosomes. Each consists of a pair of identical chromatids attached to together by a structure called cent
    13·1 answer
  • this scientist was important and that she obtained an x-ray photos of DNA which help determine its structure
    12·1 answer
  • The long, hot days of summer are here. We would expect this dog to _______________ to cool off.
    9·1 answer
  • Which of the following statements is true? Which of the following statements is true? No archaea are capable of using CO2CO2 to
    15·1 answer
  • Which trait is unique to birds?<br><br> Flight<br> Wings<br> Endothermic<br> Feathers
    14·2 answers
  • 1
    11·1 answer
  • Compare the process of excretion in terrestrial arthropods with that in aquatic arthropods.
    8·1 answer
  • Often the completion of an experiment fuels our curiosity and leaves us with even more
    5·1 answer
  • Although not completely proven, some researchers suggest that consumption of large amounts of caffeine can result in cancers of
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!