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
astra-53 [7]
3 years ago
9

Help fast please ASAP fast

Biology
2 answers:
disa [49]3 years ago
8 0

Answer:

guanine always pairs with cytosine

shutvik [7]3 years ago
3 0

Answer:

Cystone always pairs with Guanine

You might be interested in
A species that plays a critical role in maintaining the structure of an ecological community and helps to determine the types an
amm1812

Answer:

Option A, Key stone

Explanation:

A keystone species plays a major role in an ecosystem as it is the species whose presence effects all other species in the ecosystem .In general a keystone species is always a dominant predator that feed on prey population. If it is removed, the prey population will explode and the population diversity will reduce. For example - bison, prairie dog etc.  

Hence, option A is correct

7 0
3 years ago
Why was the path to discovery of the theory evolution easy or difficult? (Explain)
AleksAgata [21]
Difficult because it went against basically everything that was previously believed to be true
6 0
3 years ago
The morning newspaper reports a uv index forecast of 6.5. What precautions, if any should a fair skinned person take?
balu736 [363]

Reduce exposure between 10 am and 4 pm in addition to SPF 15+ sunscreen.

3 0
3 years ago
Which two macromolecules are used as the primary source of energy for cellular respiration
noname [10]
The molecule that is the primary source of energy in all cells is ATP, which is definitely not a macromolecule. Other primary sources of energy include other sugars, proteins, and fats. Hope this answers the question. Have a nice day.
3 0
3 years ago
The _____________ model is a model proposed by Nicholaus Copernicus, a Polish cleric, around 1500. His model proposed that all t
avanturin [10]
Heliocentric (hope it helps)
8 0
4 years ago
Other questions:
  • Which statement about matter is true?
    10·1 answer
  • A natural color mutation occurs in a species of red beetles, causing some of them to be green in color. These bugs exist in a gr
    5·2 answers
  • Which tropic level of a food chain consists of secondary consumers?
    9·1 answer
  • Please help me'
    6·2 answers
  • A DNA strand has 30% guanine. How much adenine would there be in the same strand
    15·1 answer
  • Que efectos tiene el chancro blando?
    8·1 answer
  • ¿Qué es y a qué se dedican las ciencias naturales?
    14·2 answers
  • The method is a forecasting method based on the idea that the weather
    9·1 answer
  • Any good hypothesis idea?​
    10·1 answer
  • Studies of autonomic nerve regeneration have demonstrated that Group of answer choices preganglionic fibers show a strong prefer
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!