Biology Quiz 1-3 Questions
A substance accepting proton (hydrogen ion) is known as?
Base
What distinguishes saturated and unsaturated fats?
Presence of double carbon bonds
The nucleus of an atom consists of?
Proton and Neutron
What are the properties of water?
cohesion, adhesion, high specific heat, high heat of vaporization, less dense as a solid
All the living organisms in an ecosystem is called?
community
True or False, Organic compounds do not contain carbon
False
True or False, Water is a nonpolar covalent bond
False
True or False, ice water is more dense than liquid water
False
True or false, Lipids are hydrophilic
False
True or False, Humans are agents of both artificial selection and natural selection
True
True or false, Calification rate is positively related to Carbonate ion concentrations. (This is from coral reef ecosystems)
True
True or false, Most enzymes are made of proteins
True
Which one is NOT one of the properties of DNA?
Uracil as a part of pyrimidines
What are 4 major elements that make an organism?
Carbon, Nitrogen, Hydrogen, Oxygen
What is the fundamental unit of Life?
Cell
Mathane (CH4) is an example of?
Covalent bond
A protein losing its shape is known as?
Denature
What level of hierarchical organization seen in interactions between moose and the environment?
Ecosystem
A substance that cannot be broken down into other substances is known as?
Element
Protists belong to which deomain?
Eukarya
Red panda's false thumb is an example of what type of theme(s) in Biology?
Evolution
Which one is not produced by steroids (cholesterol)?
Hyaluronic acid
A proposed explanation for a set of observations is known as?
Hypothesis
NaCl (sodium chloride) is an example of?
Ionic bond
Which molecules are not polymers?
Lipids
A mechanism for evolution is known as?
Natural Selection
Which one is NOT the property(s) of Life?
No movement
Comparisons of DNA sequence are what type of class?
Observational
Find the energy-string carbohydrates
Starch, Glycogen
Partially hydrogenated fats are known as?
Trans fats
