BIOLOGY (LOOSELEAF)-W/CONNECT
12th Edition
ISBN: 9781260692181
Author: Raven
Publisher: MCG
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Textbook Question
Chapter 40, Problem 9A
Loss-of-function mutations in the suspensor gene in Arabidopsis lead to the development of two embryos in a seed. After analyzing the expression of this gene in early wild-type embryos, you find high levels of mRNA transcribed from the suspensor gene in the developing suspensor cells. What is the likely function of the suspensor protein?
a. Suspensor protein likely stimulates development of the embryonic tissue.
b. Suspensor protein likely stimulates development of the suspensor tissue.
c. Suspensor protein likely inhibits embryonic development in the suspensor.
d. Suspensor protein likely inhibits suspensor development in the embryo.
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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 40 Solutions
BIOLOGY (LOOSELEAF)-W/CONNECT
Ch. 40.1 - Prob. 1LOCh. 40.1 - Prob. 2LOCh. 40.1 - Prob. 3LOCh. 40.2 - Name the four genetically regulated flowering...Ch. 40.2 - Define floral determination.Ch. 40.2 - Prob. 3LOCh. 40.3 - Prob. 1LOCh. 40.3 - Prob. 2LOCh. 40.3 - Prob. 3LOCh. 40.4 - Prob. 1LO
Ch. 40.4 - Prob. 2LOCh. 40.4 - Prob. 3LOCh. 40.5 - Prob. 1LOCh. 40.5 - Prob. 2LOCh. 40.5 - Prob. 3LOCh. 40.6 - Prob. 1LOCh. 40.6 - Prob. 2LOCh. 40.7 - Prob. 1LOCh. 40.7 - Prob. 2LOCh. 40.7 - Prob. 3LOCh. 40.8 - Prob. 1LOCh. 40.8 - Prob. 2LOCh. 40.8 - Prob. 3LOCh. 40 - Prob. 1DACh. 40 - Prob. 1IQCh. 40 - Prob. 2IQCh. 40 - Prob. 3IQCh. 40 - Morphogenesis is the development of a. growth...Ch. 40 - Vernalization induces flowering following exposure...Ch. 40 - Prob. 3UCh. 40 - Which of the following is NOT a component of a...Ch. 40 - Megasporcs are produced in a. anthers by mitosis....Ch. 40 - A stamen contains a a. style. b. stigma. c....Ch. 40 - Unlike bee-pollinated flowers, bird-pollinated...Ch. 40 - Prob. 8UCh. 40 - Endosperm is produced by the union of a. a central...Ch. 40 - During the globular stage of embryo development,...Ch. 40 - Which of the following is NOT a primary meristem?...Ch. 40 - Prob. 12UCh. 40 - The shoot tip of an emerging maize seedling is...Ch. 40 - Asexual reproduction is likely to be most common...Ch. 40 - Prob. 15UCh. 40 - Prob. 16UCh. 40 - Prob. 17UCh. 40 - Prob. 1ACh. 40 - Your roommate is taking biology with you this...Ch. 40 - In Iowa, a company called Team Corn works to...Ch. 40 - Prob. 4ACh. 40 - One of the most notable differences between gamete...Ch. 40 - A plant lacking the WOODEN LEG gene will likely a....Ch. 40 - How would plant development change if the...Ch. 40 - Prob. 8ACh. 40 - Loss-of-function mutations in the suspensor gene...Ch. 40 - Prob. 1SCh. 40 - If you live in a north temperate region, explain...Ch. 40 - In wild columbine flower morphology encourages...Ch. 40 - In most part of the world, commercial potato crops...Ch. 40 - Design an experiment to determine whether light or...
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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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