Biology 121 Final Exam (100 OUT OF 100) Questions and Answers
(SOLVED)
What is the hierarchy of life from largest to smallest?
Biosphere-Ecosystem-Community-Population-Organism-Organ system-Organ-Tissue-Cells-Organelle-
Molecule-Atom
A current example of natural selection is
The bacteria that has become drug resistant
The usual process for the scientific method is:
Observation-question-hypothesis-prediction-experiment-results-conclusion
Starch is a reserve polysaccharide made up of _____ subunits
Gluclose
Monosaccharides are to polysacharides as ______ are to _______
Amino acids; proteins
All organic molecules contain:
Carbon
In polar covalent bonding, electrons are ______ ______ between two atoms
, shared unequally
I have an element alpha with an atomic number of 10 and I have another element beta with the same
number of protons but has 3 more neutrons than alpha. What is the atomic number of beta?
10
What organelles are involved in energy conversion?
Mitochondrion and chloroplast
Two molecules contain the exact same elements but are arranged differently what is this called?
Isomer
Why is one side of a water molecule practically negative while the other side is practically positive?
Uneven sharing of electron pairs occurs due to the strong pull of oxygen.
Looking at the reaction above what type of reaction forms a triglyceride?
Dehydration synthesis reactions
Which of the following dietary fats is considered to be the healthiest?
Unsaturated cis fat
The structure of cholesterol is similar to the structure of:
(SOLVED)
What is the hierarchy of life from largest to smallest?
Biosphere-Ecosystem-Community-Population-Organism-Organ system-Organ-Tissue-Cells-Organelle-
Molecule-Atom
A current example of natural selection is
The bacteria that has become drug resistant
The usual process for the scientific method is:
Observation-question-hypothesis-prediction-experiment-results-conclusion
Starch is a reserve polysaccharide made up of _____ subunits
Gluclose
Monosaccharides are to polysacharides as ______ are to _______
Amino acids; proteins
All organic molecules contain:
Carbon
In polar covalent bonding, electrons are ______ ______ between two atoms
, shared unequally
I have an element alpha with an atomic number of 10 and I have another element beta with the same
number of protons but has 3 more neutrons than alpha. What is the atomic number of beta?
10
What organelles are involved in energy conversion?
Mitochondrion and chloroplast
Two molecules contain the exact same elements but are arranged differently what is this called?
Isomer
Why is one side of a water molecule practically negative while the other side is practically positive?
Uneven sharing of electron pairs occurs due to the strong pull of oxygen.
Looking at the reaction above what type of reaction forms a triglyceride?
Dehydration synthesis reactions
Which of the following dietary fats is considered to be the healthiest?
Unsaturated cis fat
The structure of cholesterol is similar to the structure of:
