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
geniusboy [140]
3 years ago
9

As part of a purification technique, a mixture of small-protein hormones and peptides are placed in a gel and exposed to an elec

tric field. The gel was prepared using a buffer at pH 2. One peptide in the mixture is the tetrapeptide Ala-Val-Ile-Leu. This peptide will move through the gel toward the _____ terminal.
positive
negative
Biology
1 answer:
lidiya [134]3 years ago
7 0

Answer:

The correct answer is "negative".

Explanation:

At pH 2 the net charge of the R groups of all the amino acids that comprise the peptide in question would be positive. This happens because of the high content of protons in a solution of pH 2, a value that is below the isoelectric point of all the amino acids. Since the peptide would have a positive net charge, it would migrate to the negative terminal of the gel because opposite charges attract each other.

You might be interested in
How do you drop a raw egg onto a concrete floor without it cracking?
musickatia [10]
You drop it barely above the ground
6 0
4 years ago
4 The state of matter with a fixed
Brut [27]

Answer:

It's option A- Solid

Explanation:

Solids have definite shape and volume.

3 0
3 years ago
Read 2 more answers
PLEASE HELP! WILL GIVE BRAINLIEST AND POINTS!
natulia [17]

Answer:

A. Lancelet

B. All chordates

Explanation:

A. Dorsal nerve chord is the only <u>unique feature</u> among all members of <u>phylum chordata</u> (mainly found in subphylum Vertebrata). In the given list, only lacelet is the Chordate whereas <u>snail belongs to phylum Mollusca</u>, <u>grasshopper belongs to Arthropda</u>, and <u>jellyfish belongs to Cnidaria</u>. Dorsal nerve cord runs along the length of organism's body.

B. <u>Gill slits</u> are <u>opening structures</u> to gills through which water passes from pharynx/throat to exterior. Their main purpose is to help filter the food particles available in surrounding water. Although they are typical for amphibians and fishes, chordates also possess gill slits at embryonic stages.

7 0
3 years ago
Qué fuerza se necesita para mover un objeto de 10 kg de masa y que esté acelere a 2m/s²​
Sergeeva-Olga [200]

Answer:

sorry I don't speak taco bell

3 0
3 years ago
Read 2 more answers
of the two cells represented in the figure, which would likely be more efficient at exchanging substances with the surrounding e
tia_tia [17]

Cell A is more efficient at exchanging substances due to larger surface area to volume ratio.

Cell A is more efficient at exchanging substances with the surrounding environment than cell B because it has the larger surface-area-to-volume ratio. Larger surface area of the cell exchanges more substances with the surrounding environment while on the other hand, lower surface area of the cell exchanges less materials with the environment so we can conclude that cell A is more efficient at exchanging substances due to larger surface area to volume ratio.

Learn more: brainly.com/question/24962460

7 0
3 years ago
Other questions:
  • 15. Why is an enzyme's shape important for the process of a chemical reaction:
    15·1 answer
  • A fiddlehead develops into what plant part?
    12·1 answer
  • What are 2 ways the environment recycles energy and nutrients and how do they work?
    6·2 answers
  • Which of the following is not part of the role of a forester?
    15·2 answers
  • Given the DNA strand GAATTCCTCGAG, what would be the complimentary strand to make the double stranded DNA? How do you get the an
    5·1 answer
  • What is a phylogenetic tree?
    10·1 answer
  • How could humans use less nonrenewable resources?
    12·1 answer
  • After a landslide, only bare rock is
    10·2 answers
  • 7. What happens during the process of translation?
    12·1 answer
  • ____________________ treatment is the oral administration of radioactive iodine to destroy thyroid cells.
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!