Final Flashcards
Biology is a
Scientific study of living things
What describes Mitocondria?
Require oxygen to produce ATP, energy for the cell
What is a cellular characteristic of eukaryotic cells?
A nucleus
Who invited microscope?
Robert Hooke
Who invited the theory of evaluation through natural selection?
Charles Darwin
What is the first step of scientific method?
Making observations
Isotope elements have different number of
Neutrons
At what stage is a protein not functional?
Primary & Secondary state
Which has chemical formula of C15,H10,O5
Carbohydrate
The nucleus of an atom is usually made up of:
protons that have a positive charge and neutrons that have no electrical charge.
All matter on earth, living and non living, are made up of
Atoms
Nitrogen has the atomic number 7. This means:
nitrogen has 7 protons.
3 principle types of bonds are:
Covalent, ionic, hydrogen bonds
Which organelle is the largest and most prominent in Eukaryotic cell?
Nucleus
When you put a piece of chocolate on your tongue, your brain registers a sensation of sweetness. What
aspect of molecules is responsible for having a particular taste.
The molecules shape
Definition of “depth of field”
It is the thickness of the specimen that may be seen in focus at one time.
Prokaryotic organisms lack:
Nucleus and other organs
What major advantage does the presence of organelles offer eukaryotic cells?
They separate chemicals, concentrating them for certain reactions.
What is the most important barrier isolating the inner contents of an animal cell from its extenor environment.
Cell membrane
__________ is when an organism maintains its internal equilibrium.
Homeostasis
When iodine turns blue or purple, _____ is present
Starch
If there is no difference in an experiment result such as a gender of a test subject, the hypothesis is a
Null hypothesis
Smaller building blocks of carbohydrates
Monoccharides
how do the functions of carbohydrates and lipids differ?
Carbohydrates make quick energy
Lipids store long term energy