Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Textbook Question
Chapter 18.4, Problem 2CYL
- describe the advantages gained by the first plants and animals to colonize land?
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Students have asked these similar questions
For short answer
questions, write your
answers on the line
provided. To the right is
the mRNA codon table
to use as needed
throughout the exam.
First letter
U
บบบ
U CA
UUCPhe
UUA
UCU
Phe UCC
UUG Leu
CUU
UAU.
G
U
UAC TV UGCys
UAA Stop UGA Stop A
UAG Stop UGG Trp
Ser
UCA
UCG
CCU]
0
CUC
CUA
CCC
CAC
CAU His
CGU
CGC
Leu
Pro
CCA
CAA
Gin
CGA Arg
CUG
CCG
CAG
CGG
AUU
ACU
AAU T
AUC lle
A
1
ACC
Thr
AUA
ACA
AUG
Mot ACG
AGG Arg
GUU
GCU
GUC
GCC
G
Val
Ala
GAC Asp
GGU
GGC
GUA
GUG
GCA
GCG
GAA
GGA
Gly
Glu
GAGJ
GGG
AACASH AGU Ser
AAA1
AAG Lys
GAU
AGA
CAL CALUCAO CAO
G
Third letter
1. (+7) Use the table below to answer the questions; use the codon table above to assist you.
The promoter sequence of DNA is on the LEFT. You do not need to fill in the entire table.
Assume we are in the middle of a gene sequence (no need to find a start codon).
DNA
1
DNA
2
mRNA
tRNA
Polypeptide
C
Val
G
C.
T
A
C
a. On which strand of DNA is the template strand (DNA 1 or 2)?_
b. On which side of the mRNA is the 5' end (left or…
3. (6 pts) Fill in the boxes according to the directions on the right.
Structure
R-C
R-COOH
OH
R-OH
i
R-CO-R' R
R-PO4
R-CH3
C.
0
R'
R-O-P-OH
1
OH
H
R-C-H
R-N'
I-
H
H
R-NH₂
\H
Name
Properties
4. (6 pts) Use the molecule below to answer these questions and identify the side chains and
ends. Please use tidy boxes to indicate parts and write the letter labels within that box.
a. How many monomer subunits are shown?
b. Box a Polar but non-ionizable side chain and label P
c. Box a Basic Polar side chain and label BP
d. Box the carboxyl group at the end of the polypeptide and label with letter C (C-terminus)
H H OHHO
H
H
0
HHO
H-N-CC-N-C-C
N-C-C-N-GC-OH
I
H-C-H
CH2
CH2
CH2
H3C-C+H
CH2
CH2
OH
CH
CH₂
C=O
OH
CH2
NH2
Chapter 18 Solutions
Biology
Ch. 18.1 - How Would the experiments result charge if oxygen...Ch. 18.1 - describe a likely scenario for the origin of life?Ch. 18.1 - describe, for each step in the scenario, some...Ch. 18.2 - Uranium-235, with a half-life of 713 million...Ch. 18.2 - Scientists have identified a free living bacterium...Ch. 18.2 - describe scenarios for the major evolutionary...Ch. 18.2 - State the order in which these events occurred,...Ch. 18.3 - describe fossil evidence of the earliest...Ch. 18.3 - describe the advantages that fostered the origin...Ch. 18.3 - Prob. 3CYL
Ch. 18.4 - Prob. 1TCCh. 18.4 - Does the mudskippers ability to walk on land...Ch. 18.4 - Can ancient DNA reveal the secrets of dinosaur...Ch. 18.4 - Although it may never be possible to recover DNA...Ch. 18.4 - describe the transitions and innovations...Ch. 18.4 - describe the advantages gained by the first plants...Ch. 18.5 - Scientists have cloned a number of animal species,...Ch. 18.5 - explain how extinction has affected the course of...Ch. 18.5 - describe the likely causes of mass extinctions in...Ch. 18.6 - We might be able to more easily distinguish...Ch. 18.6 - Paleontologists recently discovered fossil...Ch. 18.6 - describe the evolutionary history of humans and...Ch. 18.6 - name and describe some characteristics of the...Ch. 18.6 - describe the key features of the most recent phase...Ch. 18.6 - The unexpected discovery that humans interbred...Ch. 18 - Almost all of the oxygen gas in todays atmosphere...Ch. 18 - Extinction a. generally does not occur except...Ch. 18 - In the endosymbiotic origin of the mitochondrion,...Ch. 18 - Which of the following does not list evolutionary...Ch. 18 - Prob. 5MCCh. 18 - Because there was no oxygen in the earliest...Ch. 18 - The molecule _________ became a candidate for the...Ch. 18 - Complex cells that contain a nucleus and other...Ch. 18 - The Sperm of early land plants had to reach the...Ch. 18 - Prob. 5FIBCh. 18 - Prob. 6FIBCh. 18 - Prob. 7FIBCh. 18 - What is the evidence that life might have...Ch. 18 - How did the origin of photosynthesis affect...Ch. 18 - Explain the endosymbiont hypothesis for the origin...Ch. 18 - Name two advantages of multicellularity for plants...Ch. 18 - What advantages and disadvantages would...Ch. 18 - Prob. 6RQCh. 18 - Prob. 7RQCh. 18 - Extinctions have occurred throughout the history...Ch. 18 - In biological terms, what do you think was the...
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- students in a science class investiged the conditions under which corn seeds would germinate most successfully. BAsed on the results which of these factors appears most important for successful corn seed germination.arrow_forwardI want to write the given physician orders in the kardex formarrow_forwardAmino Acid Coclow TABle 3' Gly Phe Leu (G) (F) (L) 3- Val (V) Arg (R) Ser (S) Ala (A) Lys (K) CAG G Glu Asp (E) (D) Ser (S) CCCAGUCAGUCAGUCAG 0204 C U A G C Asn (N) G 4 A AGU C GU (5) AC C UGA A G5 C CUGACUGACUGACUGAC Thr (T) Met (M) lle £€ (1) U 4 G Tyr Σε (Y) U Cys (C) C A G Trp (W) 3' U C A Leu בוט His Pro (P) ££ (H) Gin (Q) Arg 흐름 (R) (L) Start Stop 8. Transcription and Translation Practice: (Video 10-1 and 10-2) A. Below is the sense strand of a DNA gene. Using the sense strand, create the antisense DNA strand and label the 5' and 3' ends. B. Use the antisense strand that you create in part A as a template to create the mRNA transcript of the gene and label the 5' and 3' ends. C. Translate the mRNA you produced in part B into the polypeptide sequence making sure to follow all the rules of translation. 5'-AGCATGACTAATAGTTGTTGAGCTGTC-3' (sense strand) 4arrow_forward
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