Cell Signalling and Transduction MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Cell Signalling and Transduction, a fundamental topic in the field of Biochemistry. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Cell Signalling and Transduction MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Cell Signalling and Transduction mcq questions that explore various aspects of Cell Signalling and Transduction problems. Each MCQ is crafted to challenge your understanding of Cell Signalling and Transduction principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Biochemistry tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Cell Signalling and Transduction MCQs are your pathway to success in mastering this essential Biochemistry topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Cell Signalling and Transduction. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Cell Signalling and Transduction knowledge to the test? Let's get started with our carefully curated MCQs!

Cell Signalling and Transduction MCQs | Page 2 of 6

Discover more Topics under Biochemistry

Q11.
According to the fluid mosaic model of cell membranes,

a.

the most common type of molecules in the membrane are proteins

b.

basic membrane structure results from how the proteins interact with water

c.

the membrane is a highly mobile mixture of phospholipids and proteins

d.

the unique properties of cell types are determined by their phospholipids

Discuss
Answer: (c).the membrane is a highly mobile mixture of phospholipids and proteins
Q12.
The simplest way to differentiate a prokaryotic cell from a eukaryotic one is to

a.

look for a plasma membrane

b.

see if a nucleus is present

c.

check for the presence of DNA

d.

determine if the cell is an entire organism or not

Discuss
Answer: (b).see if a nucleus is present
Q13.
Which of the following is the best criterion for deciding whether a cell is prokaryotic or eukaryotic?

a.

The cell came from a single-celled or multicelled organism

b.

The cell has a nucleus or not

c.

The cell has cytosol or not

d.

DNA is present in the cell or not

Discuss
Answer: (b).The cell has a nucleus or not
Q14.
Lysosomes are specialized vesicles in __________ that contain digestive enzymes for the breakdown of food. A related organalle known as a vacuole, which is found in __________ , also contains enzymes but in addition may act as a storage organelle for nutrients or water.

a.

animals; plants and fungi

b.

plants; animals and fungi

c.

plants and fungi; animals

d.

animals and plants; fungi

Discuss
Answer: (a).animals; plants and fungi
Q15.
The highly folded membranes found in such eukaryotic organelles as mitochondria and chloroplasts

a.

increase the surface area where key chemical processes can occur

b.

help the cell against physical damage

c.

make it possible to package large amounts of DNA within the cell

d.

assist with cell movement

Discuss
Answer: (a).increase the surface area where key chemical processes can occur
Q16.
Which of the following are responsible causing the diseases?

a.

Pathogens

b.

T cells

c.

Lymphocytes

d.

Macrophages

Discuss
Answer: (a).Pathogens
Q17.
In which of the following cell types more cellular detail can be observed using an electron microscope compared to a light microscope?

a.

Animal

b.

Bacterial

c.

Protist

d.

All of these

Discuss
Answer: (d).All of these
Q18.
Which of the following is present in both prokaryotes and eukaryotes?

a.

Lysosome

b.

Chloroplast

c.

Plasma membrane

d.

Vacuole

Discuss
Answer: (c).Plasma membrane
Q19.
Microtubules, motor proteins, and actin filaments are all part of

a.

the mechanism of photosynthesis that occurs in chloroplasts

b.

the rough ER (endoplasmic reticulum) in prokaryotic cells

c.

the cytoskeleton of eukaryotic cells

d.

the process that moves small molecules across cell membranes

Discuss
Answer: (c).the cytoskeleton of eukaryotic cells
Q20.
A certain cell organelle which is made of a double phospholipid bilayer that has many large pores in it, is most likely

a.

the nuclear envelope

b.

the plasma membrane

c.

the mitochondrion

d.

the cytoskeleton

Discuss
Answer: (a).the nuclear envelope
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