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
Illusion [34]
3 years ago
9

Why does dna contain thymine but rna contains uracil?

Biology
1 answer:
uysha [10]3 years ago
6 0
<span>Thymine is harder to make, but more stable. DNA needs to keep information safe for a long time, so it makes sense to use thymine. But RNA is made and used quickly, and small mistakes don’t matter as much, so the easier to make uracil does the job.</span>
You might be interested in
Choose the best answer for the following question:
djverab [1.8K]
B what species it is
8 0
2 years ago
An original DNA strand has the following base sequence: TAGGTAACT What base sequence would be produced through transcription
laila [671]
<span>Answer;
</span>AUCCAUUGA<span>
The base sequence that would be produced will be; will be </span>AUCCAUUGA.<span>

Explanation;
Transcription is the process by which RNA are synthesized from DNA molecules, by the enzyme RNA polymerase.
The process takes place in the nucleus of a cell and DNA acts as a primer for the process. 
During the process; the corresponding base pairs are such that; A will correspond to T, while G will correspond to C. However in the RNA the nucleotide base Thyamine is replaced with nucleotide Uracil.</span>
7 0
3 years ago
Random mutations can occur in an organism's DNA, causing traits that are different from other organisms in that species. Sometim
Lelechka [254]
<span /><span>

-The mutation could make it easier for an organism to obtain food.
-yes, a correct anwer!

-The mutation could make an organism need more food.
-no, this would make it harder for the organism to survive

-The mutation could improve the organism's sight.
-yes! better sight means more information, which is beneficial

- The mutation could let the organism run faster.
-running faster means advantage over pray and predator - also a correct answer

so all are correct except on the second one.
</span>
6 0
3 years ago
ONLY ANSWER IF YOURE SURE
OleMash [197]
The answer is 100%. Three are observable, but the fourth is just a carrier.
8 0
3 years ago
Read 2 more answers
Give reasons why local efforts are required to conserve biodiversity​
cluponka [151]

Answer:

Healthy ecosystems clean our water, purify our air, maintain our soil, regulate the climate, recycle nutrients and provide us with food. ... Biodiversity is the key indicator of the health of an ecosystem. A wide variety of species will cope better with threats than a limited number of them in large populations.

7 0
2 years ago
Other questions:
  • Spectator at or comes from the Latin specs meaning
    5·1 answer
  • What vessel returns filtered blood to the inferior vena cava
    9·1 answer
  • Where can you get your outdoor annual and how much does it cost?
    15·1 answer
  • Why is the SI measurement system so important to the scientific community
    7·1 answer
  • environmental change that triggers a definite action on the part of the organism serves as a(n) _____. a.stimulus b.response c.e
    15·2 answers
  • Which characteristic is used to classify metamorphic rocks as foliated or non-foliated?
    13·2 answers
  • Muscles work in _________________________________________, contracting and relaxing. These muscles are called __________________
    5·1 answer
  • Which cell type transforms into plasma cells under the influence of cytokines?
    12·1 answer
  • A hurricane destroyed all life forms on an island and washed away all the soil, leaving bare rock. In time, lichens grow in crac
    14·2 answers
  • if an organism has 12 chromosomes and its cell undergoes meiosis, how many chromosomes will the daughter cell have. 12, 6, 24, 4
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!