EXAMINATION 2026 PREMIUM QUESTIONS
AND SOLUTIONS
◉ A nucleotide monomer consists of ___-carbon sugar, 1 or more ____
groups, and a __-__ nitrogen base.
Answer: 5
phosphate
ring-shaped
◉ De-oxy-ribo-nucleic acid is also known as?
Answer: DNA
◉ DNA consists of two long chains of _____ organized into a ___ ___?
Answer: deoxynucleotides
Double helix
◉ DNA stores what information?
Answer: genetic
,◉ RNA is known as ____ and consists of a __ chain of ribonucleotides.
Answer: ribonucleic
single
◉ RNA ___ genetic information to ribosomes and ____ protein
synthesis.
Answer: transfers
facilitates
◉ Adenosine triphosphate is known as ?
Answer: ATP
◉ ATP ____ and ____ ___ for biochemical reactions.
Answer: stores and supplies energy
◉ simple cells that lack a distinct nucleus are ?
Answer: prokaryotes
◉ large, complex cells with a nucleus and membrane bound
organelles are known as ?
, Answer: Eukaryotes
◉ what are the similarities between prokaryotes and eukaryotes?
Answer: 1. surrounded by membrane
2. filled with cytoplasm
3. genes located on chromosomes
◉ what are the differences between prokaryotes and eukaryotes?
Answer: 1. Euk have membrane bound nucleus and organelles, a
cytoskeleton, and DNA forms linear chromosomes in nucleus.
2. Pro unbound nucleoid region, no membrane bound organelles,
simple internal structure, DNA forms single chromosome in nucleoid
◉ Filtration is a ____ movement across a membrane that does ___
require ____.
Answer: passive
not
energy
◉ passive movement follows a ____ across a membrane.
Answer: Gradient