A molecule inside a cell consists of over 3,500 covalently linked atoms weighing about 105,000 daltons. From this description, the molecule can most specifically be described as a

A) macromolecule.
B) polysaccharide.
C) lipid.
D) polypeptide.
E) protein.


Ans: A) macromolecule.

Biology & Microbiology

You might also like to view...

DNA sequencing data suggest that evolutionary changes are related to an accumulation of:

a. index fossils. b. vestigial organs. c. convergent structures. d. homologous structures. e. changes in DNA nucleotide sequences.

Biology & Microbiology

Which of the following substances is secreted by an endocrine gland?

a. Tears b. Breast milk c. Wax d. Saliva e. Hormones

Biology & Microbiology

Toxic dinoflagellates can directly harm other organisms during bloom periods by secreting their toxins in the water or by being consumed and concentrated in the tissues of filter-feeding organisms. Can you think of ways in which blooms of non-toxic dinoflagellates may harm other organisms in the water?

What will be an ideal response?

Biology & Microbiology

What is released into the neuromuscular junction to produce a muscle contraction?

a. calcium b. acetylcholine c. potassium d. sodium e. chloride

Biology & Microbiology