Midterm bio 101 Flashcards
What is the first step in the scientific method
Making an observation
In a graph, the experimental variable is plotted on the
x-axis
The standard error tells
how uncertain a particular value is
Which graft should be used to depict between 2 quantities?
line graph
What is the universal principle of the biological sciences?
evolution
In an electrically neutral atom, the protons are equal to what?
electrons
How many elements occur naturally?
92
The atomic number of an element is determined by the number of what?
Protons
Why is He positioned above Ne on the periodic table?
They both have the same amount of electrons in the outer most orbital
True or False: Fats and oils function better than other biological molecules as energy-storage molecules because of the carbon they contain
False
Why does a protein not function after it has been denatured?
The normal bonding between the R groups has been disturbed and the protein loses its normal shape.
When two amino acids combine via a dehydration reaction
A peptide bond is formed
Which of the following nitrogenous bases is found in DNA?
Cytosine
In developing embryos such as a chicken, what restores the amount of surface area needed for exchange requirements?
Cell division
Which of the following structures is present in both eukaryotes and prokaryotes?
Plasma Membrane
