First Quarter Exam Flashcards
What type of RNA has anticodons?
tRNA
A scientific idea that has not been tested is a _____.
Hypothesis
The doctrine of humors believes that humans contain 4 different _____.
Liquid/fluids
What do we call the process by which bacteria obtain energy from inorganic chemicals?
Chemosynthesis
Atom having a negative or positive charge?
Ion
A solution that has a greater concentration than water molecules in a cell is called what?
Hypophilic
The principle product of photosynthesis is _____.
Glucose
The entire process of photosynthesis takes place in the _____.
Chloroplast
The reaction that causes bread to rise is an example of _____.
Alcohol fermentation
What is the control center of most cell activity?
The nucleus
Robert Brown was first to describe ____.
Nucleus
The increase in randomness and loss of usable energy in nature is known as _____.
Entropy
What kind of chemical bond shares chemical bond?
Covalent
What is the name of the numerical index used to express the acidity or alkalinity of a substance?
The PH scale
The use the cellular energy to change the permeability of a membrane is called _____.
Active transport
What suggests looking for items in nature that represent a person’s problem?
The doctrine of signatures
What’s another name for the land/eyepiece on a microscope?
Ocular
What is the messenger RNA (mRNA) carry?
Amino acid
What kind of transport requires the cell to expand energy in order for the substances to pass through the membrane?
Active transport
What is the movement of substances through a cell membrane without the cell’s expending energy?
Passive transport
The bursting of blood cells in hypotonic solution is called_______.
cytolosis
True or False
Active Transport involves the cell’s expending energy to digest a substance it has taken in.
False
True or False
Some multicellular organisms are colonial.
True