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
sukhopar [10]
3 years ago
11

The C. elegans genome is about 100,000kb. If C elegans genomic DNA is digested with XbaI, which recognizes and cleaves the seque

nce TCTAGA, what is the expected number of DNA fragments generated by this digest?
Biology
1 answer:
nasty-shy [4]3 years ago
5 0

Answer:

25000 fragments

Explanation:

A restriction enzyme can cut a random DNA sequence once per every 4^n where n = number of bases in the recognition site of enzyme.

There are 6 bases in Xbal's recognition site (TCTAGA) so it will cut once per every 4^6 = 4096 bases (4kb).

Total genomic size = 100000kb

So expected number of fragments = Total genomic size/Size of one fragment

= 100000/4

= 25000 fragments

You might be interested in
In bacteriophage lambda, the choice between the lytic and lysogenic pathways is often thought of as a sort of race between the p
Pie
What pathway would likely predominate in a mutant in which ci was overexpressed relative to a wild-type virus? - Lytic pathway; when the virus infects the cell, that is, it gets into it, clones or forms thousands of viruses and then breaks the capsid and continues parasitizing other cells to follow the same procedure.<span>in a mutant in which ci was underexpressed relative to a wild-type virus?</span> Lysogenic; that is when the genetic material of the virus is coupled to the genetic material of the cell, then the cells b, daughters of this, will be possessors of the virus (genetically).
4 0
3 years ago
Cells: the basic units of life
vagabundo [1.1K]

Answer:

Yes. Indeed they are...(?)

4 0
3 years ago
Which of the following do plants need to grow?
djverab [1.8K]

Answer:

All of them

Explanation:

3 0
3 years ago
A letter about the evidence of evolution
GuDViN [60]

Answer:

I am writing this in response to a letter regarding evolution. Evolution is increasingly solid, not shaky. Darwin’s “theory” or explanation was a way of understanding what he had discovered (which did not include genes, chromosomes, DNA or nucleotide bases). Our explanations now include genetics and the commonality of mutation.  

Proofs are solid, not in question by serious scientists. Direct observation is one, which we see in the fact that this year’s flu evolved a little too far from last year’s, so flu shots are less effective this year than we would like them to be.  

Fossils tell the story well: whales with legs, dinosaurs with feathers and Tiktaalik. The latter was found in the Canadian north and is part fish, part amphibian, before there were ever any amphibians. Imperfection is a good proof: think of your useless appendix, the very bad design of your ankles, knees, and back (talk to a chiropractor about that).  You have big toes because they used to be useful thumbs for your grasping feet.

Many other animals and even plants similarly have flaws that show their evolutionary past. Two large human chromosomes reflect the coming together of two chimpanzee chromosomes each.

Hope it helps,

Please mark me as the brainliest

Thank you

5 0
3 years ago
Between 60% and 80% of genes are not regulated, but are
mezya [45]
Https://quizlet.com/59754152/chapter-8-flash-cards/ go here for for question

7 0
3 years ago
Other questions:
  • What differentiates the isotopes of an element?
    8·1 answer
  • Which of the following cannot undergo sexual reproduction?
    13·2 answers
  • The human body has many cells that are deep inside the body. For this reason, the
    15·2 answers
  • Matching: Match the word on the right to the correct word on the left.
    13·2 answers
  • HELP ASAP! 5 questions
    6·1 answer
  • Which statement about inheritance is true?
    13·2 answers
  • What do the carbon, nitrogen, hydrologic, and mineral/phosphorus cycle all have in common?
    12·1 answer
  • Which describes sexual reproduction and not sexual reproduction?
    9·2 answers
  • What is the answer with explaining
    13·1 answer
  • ANSWER BOTH QUESTIONS about BIOLOGY PLEAASE!!
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!