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
inysia [295]
2 years ago
7

Please and thank you

Biology
1 answer:
Tpy6a [65]2 years ago
8 0

Answer:

D

Explanation:

An experiment should be conducted several times to make sure the first time wasn’t just a fluke

You might be interested in
Do humans have the right to impact the environment as much as<br> they do? Why why not?
DochEvi [55]

Answer:

yes

Explanation:

Humans impact the physical environment in many ways: overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water.

7 0
3 years ago
How does the pressure in the chest cavity affect airflow?
kipiarov [429]
Pressure tightness and squeezing
5 0
3 years ago
Read 2 more answers
48.
satela [25.4K]

Answer:

Ribose

Explanation:

DNA is a large molecule, a type of nucleic acid which store and act as a genetic material of the cell. DNA molecule is formed by the repeating monomer units called nucleotides.

Each nucleotide is made up of three subunits as:

1. 5-C sugar: De-oxyribose formed by the removal of oxygen group from 2' OH group of ribose. Ribose is the sugar molecule present in RNA nucleic acid.

2. Phosphate group (PO₄³⁻)

3. Nitrogenous bases: adenine, guanine, adenine and cytosine.

Thus, ribose is the correct answer.

5 0
3 years ago
Read 2 more answers
Why do we need both aerobic and anaerobic respiration?
Alex17521 [72]
As our all basic needs is fulfilled by aerobic respiration but when it comes to vigorous exercise when there is a shortage of oxygen , muscles starts using anaerobic respiration to full fill the need !

another example of anaerobic respiration in our body is in RBC ! Here there is no mitochondria so it has to do anaerobic respiration !
7 0
3 years ago
Which example best demonstrates diffusion?
nataly862011 [7]
If i am not mistaken , the answer is C
6 0
3 years ago
Other questions:
  • What are contour lines on a contour map
    11·1 answer
  • ANSWER THIS! 45 POINTS! OMGGG
    9·1 answer
  • What is the best explanation for why a bacteriostatic treatment might be chosen over a bacteriocidal treatment?
    13·1 answer
  • Cells that share a function group together to form organ systems.<br> True or False?
    11·2 answers
  • gene expression can occur at several points along the pathway from DNA to RNA to proteins. In one example of gene expression, th
    9·1 answer
  • Why was there not a significant difference in the reaction rate with 800 mg of substrate as compared to 400 m. of substrate? Wha
    7·1 answer
  • What happens if you connect a battery to a small light bulb with a single wire .?
    10·1 answer
  • Give the names of two co- enzymes that take part in the cellular respiration.
    13·1 answer
  • Earth is 150 million kilometers from the sun, and the solar "wind" travels at about 400 km/sec. How long does it take particles
    14·1 answer
  • What do you already know about conservation? Think about wildlife and the environment
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!