Loose-leaf Version for What Is Life? A Guide to Biology 4E & LaunchPad for What is Life? A Guide to Biology 4E (Twelve Month Access)
4th Edition
ISBN: 9781319154639
Author: Jay Phelan
Publisher: W.H. Freeman & Co
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Chapter 26, Problem 9SA
Summary Introduction
To analyze:
Why STDs are nearly impossible to eradicate.
Introduction:
Sexually transmitted diseases are transmitted from one person to another through contact between the mucus membranes of the genital parts.
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Chapter 26 Solutions
Loose-leaf Version for What Is Life? A Guide to Biology 4E & LaunchPad for What is Life? A Guide to Biology 4E (Twelve Month Access)
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- 1) Which statement below about asexual reproduction is FALSE? a) With asexual reproduction, offspring are genetically equivalent to the parent b) Asexual reproduction requires no partner c) Asexual reproduction requires meiosis d) Some organisms can reproduce both sexually and asexuallyarrow_forward6) Classify the following as either Sexual or Asexual Reproduction. Give the specific type of asexual reproduction. a) A small piece of a cactus breaks off the plant, falls to the ground, and begins to grow. b) Pollen from a male poplar tree fertilizes sex cells on a female poplar tree. c) Two earthworms each produce sperm and eggs and fertilize each other. d) A flatworm is cut in half and grows into two flatworms.arrow_forwardWhat is sexually transmitted disease? Give examplesarrow_forward
- Which of the following statements accurately describes the pathogenesis of polycystic ovarian syndrome? Question 28 options: a) Excessive androgens that affect follicular decline by suppressing apoptosis, enabling follicles, which normally disintegrate to survive b) A decrease in leptin levels that reduces the hypothalamic pulsatility of GnRH, which reduces the number of follicles that mature c) A disorder of the anterior pituitary that increases the release of FSH, which reduces the release of LH d) Testosterone that stimulates androgen secretion by the ovarian stroma and reduces SHBG indirectlyarrow_forward25) Compared to asexual reproduction, the main advantage of sexual reproduction is that it: A) requires less energy B) increases the genetic diversity of the offspring C) can produce more complex offspring D) can produce a greater number of offspringarrow_forwardAll of the following are correct about asexual reproduction EXCEPT a) it can create numerous offspring quickly b) the offspring are genetically identical to the parent c) it enables animals living in isolation to produce without a mate d) it is advantageous when the environment is changing and the organisms is stressed.arrow_forward
- Give another name for sexually transmitted diseases. Name two sexually transmitted diseases which are curable and two diseases which are not curable.arrow_forwardIn protandrous hermaphroditism _____. A) Some individuals may change from male to female B) Males rather than females release pheromones C) Individuals fertilize themselves D) Diploid ova are produced E) The adult gonads are undifferentiatedarrow_forwardWhich of the following statements are false? A) An oocyte completes meiosis after a sperm penetrates it. B) The earliest stages of spermatogenesis occur closest to the lumen of the seminiferous tubules. C) Fertilization occurs in the oviduct. D) Effective hormonal contraceptives are currently available only for females. E) Spermatogenesis and oogenesis require different temperatures. F) Fragmentation is a type of asexual reproduction wherein an organism produces gemmules which are collections of many cells surrounded by a body wall. G) Lobsters and insects can reproduce via fragmentation.arrow_forward
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