In peas the flower color and pollen length genes are very close
together on the same chromosome. Purple flowers (P are dominant to
white (p), and long pollen (L) is dominant to short pollen (l). A
true breeding variety of peas with purple flowers and short pollen
is crossed to a true breeding variety with white flowers and long
pollen. The F1 plants are then self-crossed to produce an F2
generation.
a. What is the genotype and phenotype
of the...
a) Two charges are close together. One charge has +9.6 C and the
other has -3.2 C. If you were viewing a field line diagram of these
charges what would you expect for the ratio of the number of lines
extending to infinity divided by the number of lines that terminate
on the negative charge?
b) You are sitting next to a positively charged metal sphere.
What is the flux through the skin of your body due to the electric...
How do electric charges move in an electric field?
a. Positive charges move in the direction of the electric field,
whereas negative charges move in the opposite direction
b. Negative charges move in the direction of the electric field,
whereas positive charges move in the opposite direction
c. Both positive and negative charges move in the direction of
the electric field
d. Both positive and negative charges move in the opposite
direction of the electric field
e. It depends on...
Rules for positive definite matrix.
What are they? My text book explains them in a very confusing
way.
Also:
"A matrix A is said to be positive definite if it is symmetric
and if and only if each of its leading principal sub matrices has a
positive determinate"
How do I get the leading principal sub matrices?
If the residual positive, what does that mean and how does it
compare with the line of best fit? What about if the residual is
negative?a) What does it mean if the residual is close to 0? What if the
residual isn't close to 0?b) How would each of these residuals appear in a scatter
plot?
During the purging steps in the Schlenk line experiment, why
does the chemist close the nitrogen before opening the vacuum? What
gas is being evacuated?