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
lilavasa [31]
4 years ago
13

A sample is in the second half-life. What percent of the sample is stable at this point?

Biology
2 answers:
ivann1987 [24]4 years ago
6 0

Answer:

the answer is B

Explanation:sorry if im wrong TwT

Tatiana [17]4 years ago
4 0

Answer:

25%

Explanation:

You might be interested in
A unique feature of dna is that it can duplicate itself through a process called
Brut [27]
<span>A unique feature of dna is that it can duplicate itself through a process called replication.</span>
7 0
3 years ago
Cytokinesis is the recombining of the cytoplasm.
Anna007 [38]
Yes it is hope i could help and is that supposed to be a ques tion

5 0
3 years ago
Amanda is observing the transverse cross section of an apple root under the microscope. She has to locate the stele. Which chara
WITCHER [35]
<span>A.<span>It is present at the center of the root, surrounded by the pericycle, and has the vascular tissues like xylem, phloem, and cambium inside it.</span></span>
4 0
4 years ago
Read 2 more answers
Genomic mammalian DNA cannot be expressed directly using bacterial expression vectors because mammalian genomic DNA contains int
Naya [18.7K]

Answer:

The correct order of formation of cDNA or complementary DNA are described below.

Explanation:

The DNA that is synthesized from mRNA with the help of reverse transcriptase enzyme is known as cDNA or complementary DNA.

Formation of cDNA

Step 1 Mature RNA is isolated

Step 2 Reverse transcriptase provided with a primer,synthesize a strand of cDNA without introns.

Step 3  The mRNA is hydrolyzed by raising the pH.

Step 4 A primer site is created on the single stranded cDNA molecule.

Step 5 A complementary DNA strand is synthesized forming double stranded cDNA molecule.

4 0
3 years ago
Which of the following statements is FALSE? A. The assisting party in a mutual aid agreement can withdraw deployed resources due
denis23 [38]

Answer:

The correct answer is option C. "Self-dispatch is encouraged in mutual aid systems".

Explanation:

It is false to affirm that self-dispatch is encouraged in mutual aid systems. Mutual aid systems are agreements that let resources assistance across jurisdictional boundaries under emergency situations. Therefore, self-dispatch is not encouraged in mutual aid systems. On the contrary, it is encouraged that the resources request for assistance of other jurisdictions under an emergency situation.  

4 0
4 years ago
Other questions:
  • Which type of proteins exhibit only primary and secondary structure?
    6·1 answer
  • Twins Carlos and Miguel received bulldog puppies from the same litter for their birthday. Their parents thought they would be le
    11·2 answers
  • A mineral is classified as an ore as long as ____?
    5·1 answer
  • Which element of the scientific process can not be changed
    8·1 answer
  • Phase changes occur when _____ is gained or lost from a substance.
    15·1 answer
  • Which of the following is true of all populations of living things?
    5·1 answer
  • When glucose is used as an energy source, the largest amount of ATP is generated by the ___________ of the entire respiratory pr
    13·2 answers
  • What you know about laws of motion
    9·1 answer
  • A student sets four bricks in sunlight as shown below which brick will get the hottest?
    9·1 answer
  • during the surgical count before closure of the peritoneum, the scrub person and the rn circulator are unable to locate a laparo
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!