BHS Remediation Assignment (Biology Sem.1 Review)

Front

What is the primary component of the cell membrane?

Back

Lipids form a bilayer that makes up the cell membrane, providing structure and protection.

Front

What are the phases of cell division?

Back

The phases of cell division include Interphase, Prophase, Metaphase, Anaphase, Telophase, and Cytokinesis.

Front

What are waxes, oils, and fats classified as?

Back

Waxes, oils, and fats are examples of lipids, which are hydrophobic organic molecules.

Front

Which nitrogen base is NOT found in DNA?

Back

Uracil (U) is not found in DNA; it is found in RNA. DNA contains Thymine (T), Adenine (A), Cytosine (C), and Guanine (G).

Front

What type of molecule is represented by proteins?

Back

Proteins are large biomolecules made up of amino acids, essential for various functions in living organisms.

Front

What is the function of lipids in the body?

Back

Lipids serve as energy storage, structural components of cell membranes, and signaling molecules.

Front

Define Interphase in the context of cell division.

Back

Interphase is the phase of the cell cycle where the cell prepares for division, including DNA replication.

Front

What is the role of proteins in biological systems?

Back

Proteins perform a wide range of functions, including catalyzing metabolic reactions, replicating DNA, and responding to stimuli.

Front

What are the four nitrogen bases found in DNA?

Back

The four nitrogen bases in DNA are Adenine (A), Thymine (T), Cytosine (C), and Guanine (G).

Front

What is the structure of a lipid bilayer?

Back

A lipid bilayer consists of two layers of phospholipids, with hydrophilic heads facing outward and hydrophobic tails facing inward.