2026/2027 Comprehensive Original Practice
Questions, Detailed Explanations, Chapter 3
Concepts, Success Resource | Guarantee Pass |PDF
Can you match the structures with their descriptions?
Drag the terms on the left to the appropriate blanks on the right to complete the
sentences. - ✅🌹CORRECT ANSWER-1. DNA is the self-replicating material
present in nearly all living organisms; it is the main constituent of chromosomes
and the carrier of genetic information.
2. RNA is used in all steps of protein synthesis and carries the genetic
information of many viruses.
3. The nucleus is the most prominent membrane-bound organelle in eukaryotic
cells, and it houses most of a cell's DNA.
4. The nuclear envelope is the two-layered membrane that encases the nucleus
of a eukaryotic cell, separating the nucleus from the cytoplasm.
5. A protein-lined channel in the nuclear envelope that regulates the
transportation of molecules between the nucleus and the cytoplasm is called a
nuclear pore.
6. The round body that sits inside the nucleus of a eukaryotic cell and makes
ribosomal subunits from proteins and ribosomal RNA is known as the nucleolus.
, 7. Chromosomes are tightly coiled bundles of DNA and protein found in the
nucleus of most living cells.
Select the cellular structure that can be found in both plant and animal cells. -
✅🌹CORRECT ANSWER-Mitochondria
Which of the following statements is correct regarding chromosomes in a
eukaryotic cell? - ✅🌹CORRECT ANSWER-Which of the following statements
is correct regarding chromosomes in a eukaryotic cell?
Which form of transport requires the expenditure of energy? - ✅🌹CORRECT
ANSWER-Active transport
Which of the following statements is correct regarding DNA and RNA? -
✅🌹CORRECT ANSWER-DNA remains in the nucleus at all times; RNA is
produced in the nucleus but then leaves the nucleus.
What is a phospholipid? - ✅🌹CORRECT ANSWER-A special kind of lipid with
a water-loving head and 2 water-fearing tails
Substances are often packaged into small ________ for transport, either
through the membrane or throughout the interior of the cell. - ✅🌹CORRECT
ANSWER-vesicles