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HESI BIOLOGY STUDY GUIDES ( LATEST 2024 / 2025 ) ACTUAL QUESTIONS AND ANSWERS 100% CORRECT
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HESI BIOLOGY STUDY GUIDES ( LATEST 2024 / 2025 ) ACTUAL QUESTIONS AND ANSWERS 100% CORRECT
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HESI BIOLOGY STUDY GUIDES( LATEST ) ACTUAL QUESTIONS AND ANSWERS
100% CORRECT
1. Amino acids:
Answer:
Building blocks of protein
2. Largest Biological Molecule:
Answer:
Proteins
3. Enzymes:
Answer:
particular types of proteins that act to catalyze different reactions or processes
Biological catalyst
Proteins that speed up chemical reactions
Functional proteins; their names usually end in - ase
Act as catalysts for special chemical reactions within the human bod
Protein that speeds up chemical reactions by lowering activation energy
4. Nucleic Acids:
Answer:
components of the molecules of inheritance DNA and RNA
5. DNA:
Deoxyribonucleic Acid is a unique molecule specific to a particular organism and
contains the code that is necessary for replication
A double-stranded, helical nucleic acid molecule capable of replicating and
determining the inherited structure of a cell's proteins.
6. RNA:
Answer:
Ribonucleic Acid is used in transfer and as a messenger in most species
of the genetic code
,Protein synthesis
7. Metabolism:
Answer:
the sum of all chemical reactions that occur in an organism
8. Metabolic pathways:
Answer:
Chemical reactions with a cell. Always progressing from a standpoint of high
energy to low energy
9. Cell:
Answer:
fundamental unit of biology
Basic unit of life
10. Organelles:
Answer:
Structures specialized to perform distinct processes within a cell.
11. Prokaryotic Cell:
Answer:
Lack a defined nucleus and do not contain membrane- bound organelles
A type of cell lacking a membrane-enclosed nucleus and membrane-enclosed
organelles; found only in the domains Bacteria and Archaea.
12. Eukaryotic Cell:
Answer:
A type of cell with a membrane-enclosed nucleus and membrane- enclosed
organelles. Examples of organisms with these cells are protists, plants, fungi, and
animals.
13. Nucleus:
Answer:
Contains DNA of the cell
, 14. Chromosomes:
Answer:
contain all of the material for the regeneration of the cell as well as all of the
instructions for the function of the cell. Every organism has a characteristic number
of chromosomes specific to the particular species.
15. Ribosomes:
Answer:
read the RNA produced in the nucleus and translate the genetic instructions to
produce proteins. Cells with a high rate of protein synthesis generally have a large
number of ribosomes.
16. Endoplasmic Reticulum:
Answer:
Bound ribosomes are attached to here
17. Hierarchic System:
Answer:
Most inclusive to least inclusive
Kingdom
Phylum
Class
Over
Family
Genus
Species
King Peter came over for Gina's soup
18. Water atom:
Answer:
two hydrogen atoms covalently bonded to one oxygen atom
19. Cohesion:
Answer:
the ability of a molecule to stay bonded or attracted to another molecule of the
same substance
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