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
notsponge [240]
2 years ago
8

HELP FAST ... every cell in the human body contains a nucleus with DNA, but what is the origin of that DNA!?​

Biology
1 answer:
ira [324]2 years ago
6 0

Answer:

I think the answer is RNA

You might be interested in
New milestones in environmental policy will most likely deal with long-term issues. true or false
r-ruslan [8.4K]
I believe that the answer is "True" 
5 0
3 years ago
Read 2 more answers
An organism is unicellular, contains chlorophyll, and has a flagellum. to which kingdom does this organism belong?
denis23 [38]
This organism belongs to the Plantae kingdom
8 0
3 years ago
5. Explain why an artery is an organ.
Fiesta28 [93]

Answer:

Arteries are blood vessels that carry oxygenated blood away from the heart. Their walls are composed of three layers called the tunica intima, tunica media, and the tunica adventitia, which all have different cellular structures and compositions.

Explanation:

Similarly, organs are defined are being a collection of tissues, which are joined in a structural unit to serve a common function.An artery is made up of several types of tissues including: Elastic tissue - this evens out the pressure changes in the vessel when the heart ventricles contract, by stretching and recoiling ...

6 0
3 years ago
Read 2 more answers
Thick mucous gland secretions, elevated sweat electrolytes, meconium ileus, and difficulty maintaining and gaining weight are as
Hoochie [10]

Answer:

The correct option is the number 2. Cystic fibrosis

Explanation:

Cystic fibrosis is a hereditary disease that affects the glands that produce mucus, sweat and digestive juices, this genetic disorder makes the secretions more sticky and thick, they accumulate and produces blockage in the tubes, ducts and passages, in particular in the lungs and pancreas.

The mucus block the ducts that carry digestive enzymes from the pancreas to the small intestine. Without these digestive enzymes, the intestines are not able to completely absorb nutrients in the food. The result is often, little increase in weight and growth, intestinal obstruction, particularly in newborns (ìleo meconium), among others.

Cystic fibrosis also affects the epithelial cells of the sweat glands, children suffering from this disorder may have a kind of salt layer on the skin. They can also lose abnormally high amounts of salt when they sweat on hot days.

4 0
3 years ago
3. How is carbon added to the atmosphere?
vova2212 [387]

Answer:

Explanation:

Carbon dioxide is added to the atmosphere naturally when organisms respire or decompose (decay), carbonate rocks are weathered, forest fires occur, and volcanoes erupt. Carbon dioxide is also added to the atmosphere through human activities, such as the burning of fossil fuels and forests and the production of cement

7 0
2 years ago
Other questions:
  • Lipids are organic macromolecules that serve a variety of purposes. What is the most important role of lipids?
    6·2 answers
  • What trophic level is the snake in
    5·2 answers
  • Which shows the correct descending order of hierarchical classification?
    13·1 answer
  • Explain the process of energy moving through the atmosphere.
    5·1 answer
  • Insects have three pairs of legs or are ________ arthropods
    5·1 answer
  • Help?!!!!!!!!????!????
    10·1 answer
  • Part 1: Describe the mass and surface temperature of the main sequence stars.
    15·1 answer
  • What is a bad consequence of extensive use of fertilizer? *
    8·1 answer
  • Tae formation of fossil fuels is a process that takes millions of years and
    14·1 answer
  • Which are not displayed on graph
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!