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
lbvjy [14]
3 years ago
10

Alternative splicing can process the same pre-mRNA into different forms of mRNA. Which one of the following reasons best explain

s why this pre-mRNA can't be processed into a mRNA containing only (Exon 1-Intron A-Exon 3)?
(A) The spliceosome can not excise RNA sequences bounded by two 5' splice sites.
(B) The spliceosome can not excise RNA sequences bounded by two 3' splice sites.
(C) The spliceosome can not excise RNA sequences bounded by an upstream 5' splice site and a downstream 3' splice site.
(D) The spliceosome can not excise RNA sequences bounded by an upstream 3' splice site and a downstream 5' splice site.
Biology
1 answer:
tatuchka [14]3 years ago
8 0

Answer:

The answer is letter C.

Explanation:

The spliceosome can not excise RNA sequences bounded by an upstream 5' splice site and a downstream 3' splice site.B

Because it is not possible to produce an mRNA with the composition Exon 1 Intron AExon 3, it would require the use of two 3' splice sites.

You might be interested in
Define these 3 terms:<br> Isotonic<br> Hypertonic<br> Hypotonic
lisabon 2012 [21]

Answer:

Isotonic

denoting or relating to a solution having the same osmotic pressure as some other solution, especially one in a cell or a body fluid.

Hypertonic

having a higher osmotic pressure than a particular fluid, typically a body fluid or intracellular fluid

Hypotonic

having a lower osmotic pressure than a particular fluid, typically a body fluid or intracellular fluid.

Explanation:

4 0
3 years ago
The most potent single predictor of an infant's future health status is
SIZIF [17.4K]
The most potent single predictor of an infant's future health status is the infants birth weight.  A<span>n infant at 5 months of age should have doubled the birth weight.</span>
8 0
3 years ago
When your body converts food into energy this process is known as: question 4 options:
Natali [406]
That would be B - Metabolism. 
8 0
3 years ago
Please help I give brainliest photo attached
Leno4ka [110]
The order is D, C, A, then B
4 0
4 years ago
Read 2 more answers
Most types of communication between cells utilize ________ the exchange of cytosol between the cells the movement of the cells c
Julli [10]

Most types of communication between cells utilize -chemical or electric signals.                

Communication is done by the release of chemical signals by the cell thus sending the message.  These chemical signals are usually  proteins or other molecules that are produced by the sending cell. These signals are released into the extracellular space.  

8 0
3 years ago
Other questions:
  • Imagine a diploid cell with the genotype AaBb, and assume that the A and B genes assort independently. If this cell undergoes me
    15·1 answer
  • What are the 9 important functions of proteins in your body?
    7·1 answer
  • Hominid that first made clothing and art and is still here today
    6·1 answer
  • Ingestion and Respiration are examples of
    6·1 answer
  • What moves across the earth and breaks down rocks
    15·2 answers
  • Living plants may be valuable additions to science classrooms. Which is the most important safety consideration when planning to
    7·1 answer
  • when a planarian(a type of worm) is cut in half each half usually grows back into a complete worm over time.) this situation mos
    13·2 answers
  • Which is not a kingdom in the Eukarya domain?
    9·2 answers
  • describe the cell structure of a typical plant cell. give the functions of each part of the cell structure
    11·1 answer
  • PLEASE HELP ME WITH THE FIRST QUESTION ASAP
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!