Try our free HESI A2 Biology practice test. This is an interactive exam with instant scoring and detailed explanations. There are 40 HESI Biology practice questions to work through. These are challenging questions that cover all of the key concepts that you must know for this exam. Read each question and then choose the best answer. Click on the arrow in the lower right corner to move on to the next question.
The nuclear envelope disappears and the chromosomes begin to attach to the spindle that forms along the axis of the cell.
Chromosomes gather on either side of the now separating cell.
Chromosomes start to separate.
Chromosomes align along the center of the cell.
Attached to the endoplasmic reticulum and in the cytoplasm.
Only in the cytoplasm.
Only attached to the endoplasmic reticulum.
None of the above.
To provide intracellular digestion.
To provide transportation of materials throughout the cell.
To uptake food through the cell membrane.
To produce cellular respiration.
Its high specific heat.
Its cohesive properties.
Its covalent bonds.
Its polar nature.
Both meiosis and mitosis.
Neither meiosis and mitosis.
the creation of ATP and Pyruvate.
the creation of GTP and NADH.
the process by which plants take in carbon dioxide and produce oxygen.
a linear method of creating energy.
a single layer of phospholipid molecules.
a bilayer of phospholipid molecules.
proteins that act as transport highways.
Watson and Crick.
Watson and Holmes.
Holmes and Croiger.
Brown and Curie.
A condition in which multiple genes are missing.
A situation in which one gene remains unexpressed.
One gene influencing multiple, seemingly unrelated phenotypic traits.
Two genes affected by a single allele.
Electron transport chain.
14 to 18.
18 to 25.
32 to 36.
68 to 70.
Saturated fatty acids contain double bonds, unlike unsaturated fatty acids.
Saturated fatty acids contain no double bonds, unlike unsaturated fatty acids.
Saturated fatty acids often contain two or more pairs of double bonds, unlike unsaturated fatty acids.
There is no difference between saturated and unsaturated fatty acids.
Water beading together on top of a freshly waxed car.
An ocean stabilizing the temperature of a region.
Water dissolving salt to become salt water.
A bottle of water cracking when left in the freezer.
tRNA bonds together amino acids and then releases them to create an elongated chain of amino acids.
tRNA contains codons during DNA transcription.
tRNA is the piece of DNA produced during transcription.
tRNA brings the amino acids to the site of synthesis.
Rough endoplasmic reticulum.
Smooth endoplasmic reticulum.
All plants grow better with music.
In the experiment, plants grown with music grew better than those grown without it.
In the experiment, plants grown without music grew better than those grown without it.
All plants grow better without music.
Absorption of nutrients
Digestion of Nutrients
Digestion and Absorption of nutrients
None of the above.