BIO 1511 Final Exam LATEST
2024/2025 QUESTIONS AND
CORRECT ANSWERS A+
What is The flexible boundary of a cell? - ANSWER-Plasma
membrane
What type of cells are small and simple in Structure, and lack A
membrane enclosed nucleus? - ANSWER-Prokaryotic
What is the flexible boundary of a cell? - ANSWER-plasma
membrane
What structures are found in all cells and make proteins? -
ANSWER-ribosomes
In a eukaryotic cell what contains the DNA? - ANSWER-
nucleus
,Which eukaryotic organelles carry out cellular respiration? -
ANSWER-mitochondria
What refers to the theory that mitochondria and chloroplasts
were once independent prokaryotes? - ANSWER-
endosymbiont theory
In animal cells, what can be found in the centrosome? -
ANSWER-centrioles
What are cellular connections that That form a continuous seal
around the cell and prevent fluids from leaking between the
cells? - ANSWER-tight junctions
What refers to a channel in plant cells that the membrane
actually extends through, allowing molecules to move easily
between cells? - ANSWER-plasmodesmata
What is a subatomic particle with a positive charge? -
ANSWER-proton
All atoms of a particular element have the same number of
protons, in this number is called the elements what? -
ANSWER-Atomic number
What refers to atoms that have the same number of protons but
different numbers of neutrons? - ANSWER-isotopes
Out to how many electron's could be held by the 2nd and 3rd
electron shells? - ANSWER-8
What type of bond forms when atoms share one or more pairs
of electrons? - ANSWER-covalent bond
What type of bond does an unequal sharing of electrons
resulting, in a large difference in electronegativity, create? -
ANSWER-polar covalent bond
, What refers to an atom or molecule with a charge due to a gain
or loss of electrons? - ANSWER-ion
What's are the starting materials of a chemical reaction called?
- ANSWER-reactants
What refers to a dissolving agent (like water)? - ANSWER-
solvent
What refers to a substance that donates hydrogen ions to a
solution? - ANSWER-acid
Which functional group consists of a phosphorous atom bonded
to four oxygen atoms? - ANSWER-phosphate group
What are the building blocks of polymers called? - ANSWER-
monomers
What are the monomers of carbohydrates called? - ANSWER-
monosaccharides
Which polysaccharides makes up plant cells tough cell walls? -
ANSWER-cellulose
Which polysaccharide tried is used by insects to build their
exoskeletons? - ANSWER-chitin
What refers to something that is water-fearing? - ANSWER-
hydrophobic
Which type of lipids make up the majority of the cell
membrane? - ANSWER-phospholipids?
How many levels of protein structure are there? - ANSWER-
Four
2024/2025 QUESTIONS AND
CORRECT ANSWERS A+
What is The flexible boundary of a cell? - ANSWER-Plasma
membrane
What type of cells are small and simple in Structure, and lack A
membrane enclosed nucleus? - ANSWER-Prokaryotic
What is the flexible boundary of a cell? - ANSWER-plasma
membrane
What structures are found in all cells and make proteins? -
ANSWER-ribosomes
In a eukaryotic cell what contains the DNA? - ANSWER-
nucleus
,Which eukaryotic organelles carry out cellular respiration? -
ANSWER-mitochondria
What refers to the theory that mitochondria and chloroplasts
were once independent prokaryotes? - ANSWER-
endosymbiont theory
In animal cells, what can be found in the centrosome? -
ANSWER-centrioles
What are cellular connections that That form a continuous seal
around the cell and prevent fluids from leaking between the
cells? - ANSWER-tight junctions
What refers to a channel in plant cells that the membrane
actually extends through, allowing molecules to move easily
between cells? - ANSWER-plasmodesmata
What is a subatomic particle with a positive charge? -
ANSWER-proton
All atoms of a particular element have the same number of
protons, in this number is called the elements what? -
ANSWER-Atomic number
What refers to atoms that have the same number of protons but
different numbers of neutrons? - ANSWER-isotopes
Out to how many electron's could be held by the 2nd and 3rd
electron shells? - ANSWER-8
What type of bond forms when atoms share one or more pairs
of electrons? - ANSWER-covalent bond
What type of bond does an unequal sharing of electrons
resulting, in a large difference in electronegativity, create? -
ANSWER-polar covalent bond
, What refers to an atom or molecule with a charge due to a gain
or loss of electrons? - ANSWER-ion
What's are the starting materials of a chemical reaction called?
- ANSWER-reactants
What refers to a dissolving agent (like water)? - ANSWER-
solvent
What refers to a substance that donates hydrogen ions to a
solution? - ANSWER-acid
Which functional group consists of a phosphorous atom bonded
to four oxygen atoms? - ANSWER-phosphate group
What are the building blocks of polymers called? - ANSWER-
monomers
What are the monomers of carbohydrates called? - ANSWER-
monosaccharides
Which polysaccharides makes up plant cells tough cell walls? -
ANSWER-cellulose
Which polysaccharide tried is used by insects to build their
exoskeletons? - ANSWER-chitin
What refers to something that is water-fearing? - ANSWER-
hydrophobic
Which type of lipids make up the majority of the cell
membrane? - ANSWER-phospholipids?
How many levels of protein structure are there? - ANSWER-
Four
