Tobacco smokers (and those exposed to tobacco smoke) are at greater risk of an ectopic (tubal) pregnancy. Based on your understanding of the structures of the cytoskeleton, what is the best explanation? Tobacco interferes with the transfer of oxygen to the uterus, thereby forcing the zygote to implant in a fallopian tube. Tobacco smokers tend to get pregnant when they are younger. Tobacco interferes with the functioning of the flagella propelling sperm. Tobacco interferes with the sweeping motion of cilia that aids in the movement of the egg toward the uterus.

Tobacco smokers (and those exposed to tobacco smoke) are at greater risk of an ectopic (tubal) pregnancy. Based on your understanding of the structures of the cytoskeleton, what is the best explanation? Tobacco interferes with the transfer of oxygen to the uterus, thereby forcing the zygote to implant in a fallopian tube. Tobacco smokers tend to get pregnant when they are younger. Tobacco interferes with the functioning of the flagella propelling sperm. Tobacco interferes with the sweeping motion of cilia that aids in the movement of the egg toward the uterus.

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter33: Plant Structure, Growth, And Development

Section: Chapter Questions

Problem 10TYU: Cell differentiation occurs through _______________, whereas morphogenesis involves _______________....

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Select ALL of the following that occur during spermiogenesis: Microtubules form a flagellum The nucleus condenses O Proteolytic (digestive) enzymes are bundled in an acrosomal cap Excess cytoplasm is shed
is when an egg is released from the ovary. This typically occurs once a month in females. occurs when the egg is not fertilized. It involves the egg being broken down by enzymes in the uterus, as well as the egg and the uterine lining being expelled from the body. occurs when male and female sex cells unite. Fertilization produces a which eventually turns into an embryo, and later into a fetus, is a word used to describe cell division in a zygote. The zygote undergoes cleavage/cell division to form a hollow ball of cells called a blastocyst. or After the zygote becomes a blastula, the cells keep dividing into a ball of cells that is composed of three germ layers. This ball of cells composed of three germs layers is called a is the process by which cells develop in different ways to perform different functions. Once it has begun, tissues and organs develop rapidly from the three germ layers of the gastrula. About 8 weeks after fertilization, the major organs have begun to develop and…
Women who smoke cigarettes have an increased risk of ectopic pregnancy because the chemicals they absorb paralyze cilia all through the body. Explain.
There are 6 major events in fertilization. Discuss the process of fertilization or conception, with emphasis on the sperm-egg interaction. Proteins on the sperm plasma membrane bind to ZP3 molecules within the zona pellucida of the egg. Why is this event important? Zona binding triggers the acrosome reaction, in which the sperm plasma membrane fuses with the outer acrosomal membrane, causing exocytosis of acrosomal contents. What is in the "acrosomal content"? Acrosomal enzymes begin to dissolve a hole in the zona pellucida. This enzymatic degradation, accompanied by rapid sperm tail beating, moves the sperm through the zona. Where does the sperm intend to reach?
Cell differentiation occurs through _______________, whereas morphogenesis involves _______________. (a) pattern formation; cell determination (b) cell division; cell expansion (c) cell expansion; pattern formation (d) cell determination; cell division (e) cell determination; pattern formation
why should a nursing student know the prevalence of premature rupture of membranes in adolescent pregnancy and adult pregnancy?
During spermatogenesis, which of the following options describes when cytokinesis would occur? Following anaphase I Following metaphase II Following telophase I Following telophase II
Amniocentesis is a prenatal medical procedure conducted by extracting and analyzing fetal cells in the amniotic fluid, the fluid that surrounds the fetus. What information can be obtained about the developing fetus through amniocentesis? fetal infections environmental toxin-induced defects structural defects chromosomal abnormalities Incorrect
Some sperm mitochondria enter an egg during fertilization, but as sperm mature these mitochondria are taggedwith a protein (ubiquitin) that marks them for destruction. What organelle carries out this destruction process?
What is the source of different cytoplasmic determinants present in the embryo after fertilization? They are introduced into the cell when the zygote divides They were produced during the process of fertilization. They are within the cytoplasm of the egg cell. They are from the sperm cell.
In January 2009, Natalie Suleman successfully gave birth to octuplets and became known as Octomom. She already had 6 children, and all 14 of her children were conceived via in vitro fertilization (IVF). IVF involves removing eggs from the ovary, fertilizing them with sperm in a petri dish, and transferring the resulting embryos back into a uterus to develop. It is common for two or three embryos to be transferred into the uterus of a woman undergoing IVF to increase the chances of at least one of them surviving. When Ms. Suleman became pregnant with her octuplets, Dr. Kamrava had transferred 12 embryos. His license was revoked in 2011.Multiple eggs are required for IVF to produce functional embryos because some eggs are not fertilized or do not develop normally after fertilization. Which of the following hormones would be used to stimulate the ovaries to produce multiple eggs? Select one: a. Testosterone b. FSH c. Progesterone d. Estrogen
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		Tobacco interferes with the transfer of oxygen to the uterus, thereby forcing the zygote to implant in a fallopian tube.
		Tobacco smokers tend to get pregnant when they are younger.
		Tobacco interferes with the functioning of the flagella propelling sperm.
		Tobacco interferes with the sweeping motion of cilia that aids in the movement of the egg toward the uterus.