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
Westkost [7]
3 years ago
10

Pancreatic cells, which secrete a large amount of digestive enzymes, are labeled with radioactive leucine and then chased for se

veral hours withnonradioactive leucine. Photographic emulsions are prepared at different times during the chase. Where would the black spots appear on an emulsionprepared 3 hours after the pulse?
A- Rough ER
B- Secretory vesicles
C- Golgi apparatus
D- Exterior of the cell
Biology
1 answer:
Vika [28.1K]3 years ago
3 0

Answer:

Exterior of the cell

Explanation:

Pancreas is a gland found behind the stomach and it secretes digestive enzymes into the duodenum.

Digestive enzymes are proteins hence leucine will form part of the enzymes.

Digestion of food takes approximately three hours. Therefore, if labelled Leucine  is chased down with non radioactive leucine.

Black spots will appear on the exterior of the cells because digestive enzymes are extracellular enzymes .

You might be interested in
In sickle-cell disease, variation in one gene causes red blood cells to bend, or sickle. This means the sickled cells _____.
Savatey [412]

Answer:

A case study of the effects of mutation: Sickle cell anemia. Sickle cell anemia is a genetic disease with severe symptoms, including pain and anemia. The disease is caused by a mutated version of the gene that helps make hemoglobin — a protein that carries oxygen in red blood cells.

Explanation:

5 0
3 years ago
Which increases the rate of soil formation?
Ludmilka [50]
In my opinion mixed layers would be the best choice
5 0
3 years ago
Read 2 more answers
Because carbon can bond to one another, what shapes can they form?
faltersainse [42]
Correct answer - Tetrahedral, planar or flat.

Why? - When carbon forms single bonds with other atoms, the shape is tetrahedral. When two carbon atoms form a double bond, the shape is planar, or flat. Single bonds, like those found in ethane, are able to rotate.
8 0
2 years ago
Which of the following cells is formed by meiosis?
Lilit [14]

Answer:

B. A sperm cell

Explanation:

Meiosis creates gametes/sex cells, such as the sperm and egg.

So, sperm cells are formed by meiosis.

Meiosis doesn't create fertilized eggs, it instead creates normal egg cells.

Meiosis also doesn't create heart and bacterial cells because those are made in mitosis.

So, B is the correct answer.

6 0
3 years ago
Which of the following accurately describes the function of transfer RNA?
Alchen [17]

Answer:

II. This type of RNA molecule transports amino acids from the cytoplasm to the ribosomes to build proteins.

7 0
3 years ago
Read 2 more answers
Other questions:
  • Where are stem cells harvested from? Name 2 places.
    14·1 answer
  • The tissue that makes up the aortic arches
    13·1 answer
  • Explain the purpose of the F1 offspring. The first one to answer correctly gets a thanks and gets marked brainliest.
    13·1 answer
  • What is the definition of cell membrane?
    7·2 answers
  • What do you call a pig in a pawn shop?
    12·1 answer
  • Identify the pregnancy prevention method(s) that prevent the release of an egg, thickens the cervical mucus and reduces the buil
    12·1 answer
  • Which two properties of water are what make it sticky, or wet?
    13·1 answer
  • What gas would there be more of on planet Earth if plants stopped photosynthesising​
    13·1 answer
  • Name the process by which sugar moves into cell A.
    11·1 answer
  • Which of the following describes an effect of particulate matter on health?
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!