The atom, as a whole, is uncharged because
A. the number of protons equals the number of neutrons.
B. the number of electrons equals the number of neutrons.
C. neutrons neutralize the charges.
D. the number of protons equals the number of electrons.
D
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Recall that two different groups of angiosperms exist. The ____ produce seeds that form a single cotyledon, and the seeds of ____ produce two cotyledons
Fill in the blank with the appropriate word.
Mutations generated during site-directed mutagenesis occur randomly in the genome
Indicate whether the statement is true or false
Which of the following plant cells has a companion cell?
a. tracheids b. vessel elements c. sieve elements d. sclereids e. fibers
Using Table 10-2 values, (a) what do you predict from the standard reduction potentials about the direction electrons will tend to flow between NADH and O2,
and (b) using the equation calculate the standard free energy change (?G°) associated with the transfer of electrons between NADH and O2. Reaction: O2 + 2 NADH + 2H+ = 2 H2O + 2 NAD+ Equation: ?G° = ?nF?E0' [n is the number of electrons transferred; F is the Faraday constant (23,062 cal/mol-V)