HESI A2 BIOLOGY TEST V1&V2 LATEST ALL REAL EXAM QUESTIONS AND CORRECT ANSWERS
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HESI A2 BIOLOGY V1&V2
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HESI A2 BIOLOGY V1&V2
a cell from heart muscle would most likely contain an unusual amount of what organelle - Answer- mitochondria
why is polarity the most important characteristic of water? - Answer- the resultant of the polarity of hydrogen bonding, a high specific heat value and its versatile solvent properties
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HESI A2 BIOLOGY TEST V1&V2 LATEST 2024-
2025 ALL REAL EXAM QUESTIONS AND CORRECT
ANSWERS
a cell from heart muscle would most likely contain an unusual amount of what organelle -
Answer- mitochondria
why is polarity the most important characteristic of water? - Answer- the resultant of the
polarity of hydrogen bonding, a high specific heat value and its versatile solvent properties
What part of cellular respiration produces the most ATP? - Answer- Electron Transport Chain
(ETC)
the krebs cycle produces the what... - Answer- ATP, NADH
hierarchic system of classification - Answer- kingdom, phylum, class, order, family, genus,
species
what bone does not articulate with any other bone - Answer- hyoid bone
If an element has a mass # of 14 and contains 8 neurons, what is the atomic #? - Answer- 14-8= 6
What is the oxidation # of magnesium with any compound? - Answer- +2
What term best describes NAOH in this reaction? - Answer- HCl+NaoH=NaCl+H2O
isotopes have same number of - Answer- protons and electrons
,What term describes the region in space where there is a high probability of
finding an electron - Answer- atomic orbital
Which statement regarding atomic size is true? - Answer- Neutral K is larger than K+
Chemical matter question - Answer- Substance matter has a fixed composition and distinct
properties.
when hydrogen and hydroxide ions are combined in equal
concentrations. - Answer- Ionization occurs
chemical formula of copper(I) Cyanide - Answer- CuCN
Bacon grease and vegetable oil question - Answer- Lipids
Water is in a state of ______ at room temp - Answer- liquid
Resovoir question... the ______the number the more acidic!! - Answer- lower
What type of bond is caused by the electrostatic attraction between a metal and a
nonmetal - Answer- Ionic bond
What term means the substance in which the solute is dissolved into. - Answer- Solvent
Molecular weight of ethanol - Answer- 46.07 g
Term meaning amount of energy necessary to raise the temperature of one gram of a substance by
one degree Celsius.. - Answer- Specific heat capacity
,What term describes the attraction of two ions for the opposite charge. - Answer- electrovalent bond
Systematic name of ammonia - Answer- Hydrogen Nitride/ Nitrogen trihydride
What type of biochemical molecule contains two or more amino acids joined
by peptide bonds - Answer- protein
What happens to energy according to the law of conservation of energy. - Answer- Energy can neither
be created nor destroyed.
What term describes urine sample with a pH of 5.5 - Answer- ACIDIC
What subatomic paricles are found in the nucleus and are without a charge - Answer- NEUTRONS
Water can be observed in which states of matter on earth... - Answer- solid, liquid, gas
Many solute particles must use a channel protein to move from high concentration to low
concentration outside of the cell - Answer- passive transport
Replication takes place in what organelle.. - Answer- Nucleus
Where in the cell cycle does krebs cycle take place. - Answer- Mitochondria Matrix
What organelle packages and transports - Answer- Golgi apparatus.
During which phase does DNA replication occur - Answer- S phase
Anaerobic respiration can occur in the presence of what necessary molecule - Answer- Oxygen
, solution has a higher concentration of solutes. - Answer- hypertonic
Which molecules make up the cellular membrane. - Answer- Lipids (glycerol)
is the product of meiosis in an animal cell. - Answer- Gametes
describes diffusion of a biological membrane without the need for cellular energy. - Answer-
Facilitated diffusion/ Osmosis
are caused by a bacterium. - Answer- Gonorrhea, Syphilis, Cholera
are activated to pump water out of the cell. - Answer- Contract Vacuole
is critical to cellular motility. - Answer- Cytoskeleton
is what animals are composed primarily of. - Answer- Epithelial cell
of phospholipids found in the membrane. - Answer- 2 layers
means alternate forms of a gene for the same trait. - Answer- Allele
are present in the gametes of a diploid organism with a
chromosome number of 46. - Answer- 23 chromosomes
is the first stage of cellular respiration. - Answer- Glycolysis
is responsible for transporting an oxygen molecule to - Answer- circulatory system
is the macromolecule that the genetic code is carried on - Answer- DNA
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