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
djverab [1.8K]
3 years ago
6

Suppose a scientist is studying the platypus, one of the few venomous mammals. The male platypus produces venom in the crural gl

ands located beneath the calcaneous spur on each of its hind limbs. The female platypus can develop calcaneous spurs, but the crural glands never develop.
Which of the following libraries would be most useful to help the scientist identify the gene or genes responsible for venom production?


a) genomic DNA library generated from the crural gland of a female platypus

b) cDNA library made from the mRNA isolated from the crural gland of a male platypus

c) genomic DNA library generated from the crural gland of a male platypus

d) cDNA library generated from mRNA isolated from a mixture of different male platypus tissues

e) genomic DNA library generated from a mixture of different male platypus tissues
Biology
1 answer:
Ghella [55]3 years ago
5 0

Answer:

B-cDNA library made from the mRNA isolated from the crural gland of a male platypus

Explanation:

You might be interested in
How does the electron transport chain active during the Krebs cycle affect the hydrogen ion concentration in a mitochondria
belka [17]
Electron transport trains create a concentration gradient of hydrogen ions outside the mitochondria and fewer inside the mitochondria and creates energy(ATP) by diffusing the hydrogen ions back in
8 0
4 years ago
When the moon orbits the Earth and the_____of the moon shines on the Earth we have a___eclipse.
MakcuM [25]

Answer:

Shadow, an d total

Explanation:

5 0
3 years ago
Two heterozygous red flowers (white flowers are recessive) are crossed
e-lub [12.9K]
It would be: Rr × Rr
Result of cross would be: 1RR, 2Rr, 1rr

So, it's genotypic ratio = 1:2:1
Phenotypic ratio = 3:1

Hope this helps!
4 0
4 years ago
PLEASE HELP ME!!
Minchanka [31]

Answer:

Evolution

Explanation:

Evolution is a gradual change in a population that occurs overtime in a species.

6 0
3 years ago
Neither end of Earth’s axis is tilted toward or away from the sun.
kotykmax [81]
Toward the sun because it faces us and that is how we get heat and live
3 0
3 years ago
Other questions:
  • In what type of court would a justice of the peace handle minor criminal cases, less serious civil suits, and traffic/parking vi
    9·1 answer
  • When Mendel crossed a true-breeding short plant with a true-breeding tall plant all the offspring were tall. Which term describe
    6·1 answer
  • Infants with reflux are initially treated with
    11·2 answers
  • This is due in 5 min plzzz help
    14·2 answers
  • Which terms describe the stem and root of this plant?
    13·2 answers
  • PLEASE HELP ASAP
    11·1 answer
  • Por qué algunas enfermedades se padecen solo una vez?
    14·1 answer
  • How does volcanic rock in Hawaii turn into sediment?
    5·2 answers
  • How do you know that the gene being transcribed in the animation is in a prokaryote?
    14·1 answer
  • two genes are involved in determining the color of a species of foxglove flower. the dominant allele of the m gene produces a li
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!