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What is the hierarchy of life from largest to smallest? - Answer✅✅Biosphere-
Ecosystem-Community-Population-Organism-Organ system-Organ-Tissue-Cells-
Organelle-Molecule-Atom
A current example of natural selection is - Answer✅✅The bacteria that has become
drug resistant
The usual process for the scientific method is: - Answer✅✅Observation-question-
hypothesis-prediction-experiment-results-conclusion
Starch is a reserve polysaccharide made up of _____ subunits - Answer✅✅Gluclose
Monosaccharides are to polysacharides as ______ are to _______ -
Answer✅✅Amino acids; proteins
All organic molecules contain: - Answer✅✅Carbon
, In polar covalent bonding, electrons are ______ ______ between two atoms -
Answer✅✅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? - Answer✅✅10
What organelles are involved in energy conversion? - Answer✅✅Mitochondrion
and chloroplast
Two molecules contain the exact same elements but are arranged differently what
is this called? - Answer✅✅Isomer
Why is one side of a water molecule practically negative while the other side is
practically positive? - Answer✅✅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? -
Answer✅✅Dehydration synthesis reactions
Which of the following dietary fats is considered to be the healthiest? -
Answer✅✅Unsaturated cis fat
The structure of cholesterol is similar to the structure of: - Answer✅✅Sex
hormones
The graph is showing the differences in _____ between a chemical reaction with and
without enzymes - Answer✅✅Activation energy
Which structure selectively regulates the transport of substances into and out of a
planet cell? - Answer✅✅The plasma membrane
What is the role of the protein component of chromatin? - Answer✅✅Something
small and charged, like Mg ion
You have two beakers in front of you labled A and B. One beaker contains Sodium
Chloride and the other contains crystalized triglyceride. You cannot tell them visually
apart. You then take a subsample from beaker A and place it in water. The substance
dissolves. The substance in Beaker B does not dissolve which beaker contains salt? -
Answer✅✅Beaker A
You just got a job at a blood bank and you are adding a chemical to preserve the
blood. After a few bags you notice the blood changing color and separating. You take
a subsample of a treated sample and look under a microscope. You see that the red
blood cells have either exploded or are shaped like a fat balloon that is going to pop.
The solution that the blood cells are in is probably what? - Answer✅✅Hypotonic