BIOL 230 Lecture Notes - Lecture 1: Gamete, Sexual Differentiation, Zygote
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CHOOSE ALL THAT APPLY!!! Review your Lecture note packet on the Male Reproductive Anatomy. Read the following statements - and select all statements that are FALSE (hint: there are 4 FALSE answers in this question!)
Testes - The 2 major functions of the testes are the produce spermatozoa and produce androgen hormones (testosterone) | ||
Testes - The nurse cells or sustentacular cells produce testosterone | ||
Epididymis - The epididymis has 3 regions - a head, body and a tail. | ||
Ductus (vas) Deferens - The extended portion of the ductus (vas) deferens as it nears the prostate gland is called the spermatic cord. | ||
Ejaculatory Duct - the ejaculatory duct passes through the prostate gland. | ||
Male Reproductive Glands - The prostate gland produces the majority of the volume of semen fluid. | ||
Male Reproductive Glands - The seminal vesicle produces fluids that help nourish the sperm, stimulates smooth muscle contraction and forms a temporary clost in the female's vagina. | ||
Male Reproductive Glands - The bulbourethral glands secrete a thick, alkaline mucus that helps neutralize any urinary acids that may harm the spermatozoa. | ||
Spermatozoa - The middle piece of the spermatozoa contains mitochondria and geneteic material in it. | ||
Spermatozoa - The head of the spermatozoa contains an acrosomal cap that contains enzymes that help during fertilization. |
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1) Which of the following is a component of a vertebrate kidney? (Select all correct choices.) | |||||||||||||||||
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2)
In organisms, the ability to control osmosis depends on the properties of the plasma membranes of individual cells. Based on their ability to permit the free movement of water and some solutes, these membranes are best described as: (select all correct choices) | |||||||||||||||||
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3)I selected cortex; inner medulla, it was wrong.
The loops of Henle create a concentration gradient in the interstitial fluid surrounding the loop, with the concentration highest in the ____________ and lowest in the ____________ of the kidney. | |||||||||||||||||
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4)
The main solutes in the filtrate as it enters the distal convoluted tubule are: (select all correct choices) | |||||||||||||||||
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5) Ensure all correct choices are selected, for this question I only selected osmosis and it was wrong,
Water moves by: (select all correct choices) | |||||||||||||||||
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6)
Compared to sexual reproduction, asexual reproduction: (select all correct choices) | |||||||||||
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7)
A key difference between hormonal regulation of the reproductive systems of males and females is that: | |||||||||||
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8)
True or false: In response to LH and FSH, ovaries secrete estrogen and progesterone. | |||||
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9)
During the luteal phase of the menstrual cycle, if the oocyte is not fertilized, a number of events occur which are listed below. Select the answer that places the events in the correct chronological order. | |||||||||||
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10)
If an antibody is missing its Fc fragment, what would happen if this antibody encounters its target antigen in the bloodstream? Select all correct choices. | |||||||||||
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11)
If an individual carries a mutation that results in a complete lack of MHC class I proteins, how would the individualâs immune response be affected? Select all correct choices. | |||||||||
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12)
Which of the following statements is true regarding T cell receptors? Select all correct choices. | |||||||||||
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