BIOLOGY W/CONNECT >IP<
11th Edition
ISBN: 9781259910487
Author: Raven
Publisher: MCG CUSTOM
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Textbook Question
Chapter 53, Problem 7U
Which of the following would qualify as a secondary induction?
a. The formation of the lens of the eye due to induction by the neural ectoderm
b. Differentiation during neurulation by the dorsal ectoderm and mesoderm
c. Both of the choices are correct.
d. Neither of the choices is correct.
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The folding of ectoderm on the top of the embryo during organogenesis produces...?
Group of answer choices
a. somites
b. the archenteron
c. the neural tube
d. the gastrula
e. the blastula
The process forming the neural tube and plate via the intercalation of cells along the medial-lateral axis and extension along the anterior-posterior axis occurs is called?
a. neurulation
b. embryogenesis
c. convergent extension
d. morphogenesis
A gastrulation does NOT
Select one:
A. Consist of endoderm, mesoderm, and ectoderm
B. Result in the formation of a third layer in the embryonic disc
C. Involve the formnation of germ layers
D. Include the differentiation of cells into tissues and organs
Chapter 53 Solutions
BIOLOGY W/CONNECT >IP<
Ch. 53 - Prob. 1UCh. 53 - Which of the following plays the greatest role in...Ch. 53 - Gastrulation is a critical event during...Ch. 53 - Gastrulation in a mammal would be most similar to...Ch. 53 - Of the following processes, which occurs last? a....Ch. 53 - Which of the following would qualify as a...Ch. 53 - Prob. 1ACh. 53 - In the Spemann experiment, when the dorsal lip is...Ch. 53 - Suppose that a burst of electromagnetic radiation...Ch. 53 - Prob. 4A
Ch. 53 - Drug or alcohol exposure during which of the...Ch. 53 - Axis formation in amniotic embryos could be...Ch. 53 - Prob. 1SCh. 53 - You look up from your studying to see your dog,...Ch. 53 - Why doesnt a woman menstruate while she is...Ch. 53 - Spemann and Mangold were able to demonstrate that...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- An unidentified substance (or substances) released from the developing notochord causes the overlying ectoderm to form the neural plate. This phenomenon is known as (a) activation (b) determination (c) induction (d) implantation (e) mosaic developmentarrow_forwardHow do you expect Kartagener syndrome leads to infertility? A. The lack of a plasma membrane means that pathogens and foreign substances can permeate the sperm and damage the DNA B. The lack of microtubules mean the sperm do not have tails and cannot swim to fertilize the egg C. The lack of dynein means that the sperm cannot bend their tails to swim and fertilize the eggarrow_forwardWhich of the following statements is FALSE? a. VegT and Veg1 induce both dorsal and ventral mesoderm. b. Veg1 and VegT induce endoderm signals. c. Beta-catenin must enter the nuclei of cells on the dorsal surface for frog development to progress normally. d. Nodal is required to induce both the Organizer and ventral mesoderm.arrow_forward
- The zona pellucida is important in mammals because it... a. induces polyspermy. b. induces compaction. c. inhibits implantation of the embryo until the embryo reaches the uterus. d. inhibits the formation of twins.arrow_forwardWhich of the following statements is NOT correct about the umbilical cord? a. The umbilical cord is formed from the yolk sac and the allantois. b. The umbilical cord is formed from the chorion. c. The umbilical cord consists of two arteries and one vein. d. The placenta connects to the embryon via the umbilical cord.arrow_forwardFrom which of the following is the embryo developed? a) Trophoblasts b) Blastocoelen c) The yellow sacks d) Inner cell massarrow_forward
- Which of the following statements is not true about the placenta? A. It provides exchange of wastes and nutrients between the mother and the fetus. B. It develops by the third month of gestation. C. It allows transfer of maternal immunoglobulin D. It allows passage of bacteria and virus. -Provide explanationarrow_forwardAt what stage uteroplacental circulation started? a.Maternal blood entering the lacunar b.Embryo completely embedded c.Formation of extraembryonic mesoderm d.Formation of lacunararrow_forwardWhich of the following statements is NOT correct about the umbilical cord? Select one: a. The umbilical cord is formed from the chorion. b. The placenta connects to the embryon via the umbilical cord. c. The umbilical cord consists of two arteries and one vein. d. The umbilical cord is formed from the yolk sac and the allantois.arrow_forward
- Into which structures do the trophoblast cells of the developing embryo, differentiate? a) The developing foetus b) The yolk sac c) The placenta d) The blood vessels e) All of the abovearrow_forwardWhich of the following statements is incorrect?a. The placenta secretes hormones such as progesterone, hCG, and estrogen.b. Embryonic tissue and maternal tissue forms the placenta.c. The chorion supplies nutrients to the embryo by diffusion.d. The umbilical cord is formed by one artery and two veinsarrow_forwardDuring morphogenesis, gastrulation does which of the following?A. Gastrulation produces the ectoderm through formation of a blastocyst.B. Gastrulation produces the mesoderm to form the lining of the digestive tract.C. Gastrulation provides the mechanisms whereby cells can form the neural tube.D. Gastrulation produces the endoderm through invagination of the blastula.arrow_forward
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