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BIOL 101

Quiz 1

QuestionAnswer
Within eukaryotic cells, which organelle is surrounded by a double membrane and carries the coding that determines protein synthesis? Nucleus
Which sequence of classification categories is in the proper order from least to most inclusive? species, genus, family, order, class, phylum, kingdom, domain.
Organic molecules a complex molecule that is primarily made of carbon atoms bonded with hydrogen atoms.
The atomic mass of an element the average mass of the atoms of an element measured in atomic mass unit
Which of the following is a prokaryotic cell? Bacteria and algae
Which sequence correctly lists the different levels of biological organization, from the smallest and simplest to the largest and most complex? cells-tissues-organs-organ systems-organism.
The process of protein denaturation when its normal shape gets deformed because some of the hydrogen bonds are broken.
Which of the following statements about hydrogen bonding is correct? Hydrogen bonding is possible when hydrogen is in a polar covalent bond.
If an element has an atomic number of 12, how many electrons are in its outermost shell? 2
Nucleic acids are polymers of nucleotides
Which statement about living organisms is false? All living things are motile
Which answer choice lists the steps of the scientific method in the correct order? observation, hypothesis, experiment, conclusion.
The two isotopes shown below differ in the number of neutrons.
Enzymes are organic compounds classified as: protein class
The smallest structural and functional unit in a multicellular organism is a(n) cell
_______ is a polysaccharide that is found in plant cell walls and accounts for their strength. Cellulose
The secondary structure of a protein consists of a strand of amino acids forming an alpha helix or pleated sheet.
You are investigating a cell under the microscope and you realize the cell is missing ribosomes. Based on what you know about ribosomes, the cell would not have the ability to manufacture and produce proteins for itself
Isotopes of a given element have he same number of protons but different numbers of neutrons.
Which of the following types of lipids is the most abundant constituent of cell membranes? Phospholipids.
Two molecules of glucose combine to form a disaccharide molecule during a(n) dehydration reaction.
When an ionic bond forms, electrons are transferred
Polar covalent bonds result from atoms with different electronegativities share electrons in a covalent bond.
During the formation of a polymer, two monomers are joined by the removal of water
A covalent bond is a chemical bond that involves sharing a pair of electrons between atoms in a molecule
Created by: Keelee
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