Which of the following cell organelles is NOT directly involved in protein synthesis?

A scientist is studying a cell organelle that contains hydrolytic enzymes and is bound by a single phospholipid bilayer. Which organelle is the scientist most likely studying?

The nucleosome core particle plays a crucial role in DNA packaging. Which of the following correctly describe its composition and characteristics?

(a) It comprises eight histone proteins.

(b) It involves approximately 146 base pairs of DNA wrapped around the histone core.

(c) Histones are rich in acidic amino acids like aspartic acid and glutamic acid.

(d) The DNA is wrapped around the histone core in a left-handed manner.

(e) Nucleosomes contribute to the higher-order structure of chromatin.

Golgi complex works for

Which organelle's inner membrane is less permeable and folded into cristae to increase surface area for ATP production?

Quantasome are present in

Golgi apparatus

I. transports and modifies material.

II. Secrete mucin in respiratory tract.

III. Secretes slime in insectivorous plants

What is correct?

Assembly of two subunits 40 S and 60 S of the ribosome is

Which of these cytoskeletal components are NOT composed of microtubules?

Nuclear membrane is continuous with

Which organelle acts as the primary site of ATP production in eukaryotic cells?