14. Based on the octet rule you would expect a carbon atom to make _____ covalent bonds while an oxygen atom would make ______covalent bonds. Fill in the blanks with the answer choices that correctly complete the sentence. a) 4 ; 2 b) 2 ; 4 c) 2 ; 2 d) 4 ; 3 e) 8 ; 8
14. Based on the octet rule you would expect a carbon atom to make _____ covalent bonds while an oxygen atom would make ______covalent bonds. Fill in the blanks with the answer choices that correctly complete the sentence. a) 4 ; 2 b) 2 ; 4 c) 2 ; 2 d) 4 ; 3 e) 8 ; 8
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The following is a code for a strand ofDNA
DNA 3' | A | T | A | T | T | T | T | ||||||||||||
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | |
mRNA | C | G | U | U | G | A | |||||||||||||
tRNA | U | G | G |
Amino Acid (Met __________________ _________________________________ _________________
a. Using the genetic code provided, fill in the blanks tocomplete the segment of DNA shown.
b. Fill in the blanks to complete the sequence of amino acidscoded for by this strand of DNA.
c. Write the code for the complementary strand of DNA completedin part (a).
d. What would be the effect if C were substituted for T at base10?
e. What would be the effect if A were substituted for G at base11?
f. What would be the effect if G were substituted for T at base14?
g. What would be the effect if C were inserted between bases 9and 10?
h. How would UV radiation affect this strand of DNA?
1. (TCO 1) Control subjects in a double-blindtest of a new drug are (Points : 4) informed of what drug they aregetting.
informed of what drug they aregetting but their private physicians are not.
given larger doses of thedrug.
infected with a differentdisease than the experimental subjects.
not given the experimentaldrug but are otherwise treated the same as the experimentalsubjects.
hypothesis experiment theory All of the above |
theories statistical tests correlations predictions |
A group is a column on theperiodic table. The elements in each periodhave similar chemical properties. The A groups contain therepresentative elements. The B groups contain thetransition elements. |
Add up the number of protonsand neutrons in the atom. It is equal to the number ofprotons in the atom. It is equal to the number ofneutrons in the atom. Find the net electrical chargeof the atom. |
20 24 44 58 |
Protons and electrons Protons and neutrons Only electrons Only protons |
Four One Eight Three |
3.01 |
