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BIOLOGY CH. 41
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Side A ------ Side B Primate with non-pendulus scrotum ------ Gibbon Produce sperm ------ Testes Where sperm is stored ------ Epididymis Conduct sperm from the testes to the urethra ------ Vas deferens Secretes fructose to give sperm energy to move ------ Seminal Vesicle Secretes buffer for sperm to survive in acidic vagina ------ prostate gland Primary sexual organ where genes are packaged into gametes ------ Gonads Secretes mucus ------ Bulbourethral gland 2nd leading cause of death in American Men ------ Prostate Cancer Ways to detect prostate cancer ------ Digital rectal examBlood tests for prostate specific antigen; a tumor maker. Almost 200,000 cases per year30,000 resulting in death ------ Testicular Cancer Testicular Cancer can be detected by ------ self-examination of testes feeling for hardening or lumps ability to make sperm ------ Spermatogenesis divides by mitosis to form primary spermatocyte. ------ Spermatogonium produces haploid spermatids ------ Meiosis mature to become sperm. ------ Spermatids -line inside the seminiferous tubules-Nourish the developing sperm ------ Steroli cells -lie between the seminiferous tubules-secrete testosterone ------ Interstitial cells The fertile period for a human female occurs on a cyclic basis. ------ Menstrual Cycle Cycle lasts ____ days ------ 28 days 1-5; 6-13 ------ Follicular phase day 14 ------ Ovulation days 15-28 ------ Luteal phase First period(usually between ages 11-14) ------ Menarche Last period ------ Menopause -Follicle grows and matures-LH surge -> Ovulation-Corpus luteum forms ------ Ovarian Cycle Male Hormonal Cycle ------ LOOK IT UP Female Hormonal Cycle ------ LOOK IT UP process in which a strand of DNA is used as a template for the manufacture of a strand of pre-mRNA ------ transcription process in which the information encoded in a strand of mRNA is used to construct a protein? ------ translation process in which pre-mRNA is edited into mRNA? ------ RNA processing Polypeptides are assembled from ------ amino acids RNA processing converts the RNA transcript into ------ mRNA In eukaryotic cells the first step in protein synthesis is the ------ transferring of information from DNA to messenger RNA What is the primary job of DNA? ------ It provides blueprints for proteins. What is another name for RNA synthesis? ------ transcription The sequence of nitrogen-containing bases on one strand of DNA most directly determines the sequence of ------ amino acids in a protein molecule. The "one-gene, one-enzyme" hypothesis concluded that ------ each allele codes for a single type of protein. Which of the following is found in RNA but NOT in DNA? ------ uracil The process of copying genetic information from DNA to RNA is called: ------ transcription. Which of the following molecules transfers information from the nucleus to the cytoplasm? ------ mRNA How can RNA be distinguished from DNA? ------ RNA has one polynucleotide strand per molecule. correctly illustrates the pairing of DNA and RNA nucleotides? ------ GTTACG CAAUGC Transcription is the process of: ------ synthesizing an RNA molecule using a DNA template. What ovarian hormones are involved in the menstrual cycle? ------ estrogen and progesterone What happens to the human egg if it is not fertilized? ------ The corpus luteum disintegrates, hormone levels fall, the overgrown endometrium disintegrates, and the uterus contracts oogenesis ------ egg production in the human ovaries The purpose of the epididymis ------ storage of sperm What hormone is released in both sexes by the hypothalamus to initiate puberty? ------ gonadotropin-releasing hormone Sperm become capable of movement while in the ------ epididymis Which pituitary secretion stimulates sperm production? ------ FSH follicule stimulating hormone Which pituitary secretion stimulates the testes to secrete androgens? ------ LHLuteinizing hormone Sperm develop in the ------ seminiferous tubules A fertilized egg usually implants itself and develops in the ------ uterus A rapid increase in the _____ level stimulates ovulation. ------ luteinizing hormone eggs from a female developing into offspring without being fertilized ------ parthenogenesis What ovarian hormones are involved in the menstrual cycle? ------ estrogen and progesterone the most common bacterial STD? ------ chlamydia Puberty is triggered when brain maturation causes the hypothalamus to secrete ------ gonadotropin-releasing hormone (GnRH). The development of secondary sexual characteristics is due to ------ increased levels of estrogen or testosterone In men, as testosterone levels increase, LH levels: ------ decrease stimulates the release of FSH and LH. ------ Gonadotropin-releasing hormone (GnRH) What is the function of an acrosome? ------ It contains enzymes that dissolve the protective layers around the egg. In the male, the primary target of FSH is ------ Sertoli cells. stimulates the production of testosterone? ------ LH Mature sperm are stored in the ------ epididymis The epididymis connects the ------ testis and the vas deferens path sperm travel on their way out of the male ------ seminiferous tubules → epididymis → vas deferens → urethra If the prostate gland failed to add its contribution to semen ------ the semen would not be fluid, due to lack of enzymes
Side A ------ Side B Primate with non-pendulus scrotum ------ Gibbon Produce sperm ------ Testes Where sperm is stored ------ Epididymis Conduct sperm from the testes to the urethra ------ Vas deferens Secretes fructose to give sperm energy to move ------ Seminal Vesicle Secretes buffer for sperm to survive in acidic vagina ------ prostate gland Primary sexual organ where genes are packaged into gametes ------ Gonads Secretes mucus ------ Bulbourethral gland 2nd leading cause of death in American Men ------ Prostate Cancer Ways to detect prostate cancer ------ Digital rectal examBlood tests for prostate specific antigen; a tumor maker. Almost 200,000 cases per year30,000 resulting in death ------ Testicular Cancer Testicular Cancer can be detected by ------ self-examination of testes feeling for hardening or lumps ability to make sperm ------ Spermatogenesis divides by mitosis to form primary spermatocyte. ------ Spermatogonium produces haploid spermatids ------ Meiosis mature to become sperm. ------ Spermatids -line inside the seminiferous tubules-Nourish the developing sperm ------ Steroli cells -lie between the seminiferous tubules-secrete testosterone ------ Interstitial cells The fertile period for a human female occurs on a cyclic basis. ------ Menstrual Cycle Cycle lasts ____ days ------ 28 days 1-5; 6-13 ------ Follicular phase day 14 ------ Ovulation days 15-28 ------ Luteal phase First period(usually between ages 11-14) ------ Menarche Last period ------ Menopause -Follicle grows and matures-LH surge -> Ovulation-Corpus luteum forms ------ Ovarian Cycle Male Hormonal Cycle ------ LOOK IT UP Female Hormonal Cycle ------ LOOK IT UP process in which a strand of DNA is used as a template for the manufacture of a strand of pre-mRNA ------ transcription process in which the information encoded in a strand of mRNA is used to construct a protein? ------ translation process in which pre-mRNA is edited into mRNA? ------ RNA processing Polypeptides are assembled from ------ amino acids RNA processing converts the RNA transcript into ------ mRNA In eukaryotic cells the first step in protein synthesis is the ------ transferring of information from DNA to messenger RNA What is the primary job of DNA? ------ It provides blueprints for proteins. What is another name for RNA synthesis? ------ transcription The sequence of nitrogen-containing bases on one strand of DNA most directly determines the sequence of ------ amino acids in a protein molecule. The "one-gene, one-enzyme" hypothesis concluded that ------ each allele codes for a single type of protein. Which of the following is found in RNA but NOT in DNA? ------ uracil The process of copying genetic information from DNA to RNA is called: ------ transcription. Which of the following molecules transfers information from the nucleus to the cytoplasm? ------ mRNA How can RNA be distinguished from DNA? ------ RNA has one polynucleotide strand per molecule. correctly illustrates the pairing of DNA and RNA nucleotides? ------ GTTACG CAAUGC Transcription is the process of: ------ synthesizing an RNA molecule using a DNA template. What ovarian hormones are involved in the menstrual cycle? ------ estrogen and progesterone What happens to the human egg if it is not fertilized? ------ The corpus luteum disintegrates, hormone levels fall, the overgrown endometrium disintegrates, and the uterus contracts oogenesis ------ egg production in the human ovaries The purpose of the epididymis ------ storage of sperm What hormone is released in both sexes by the hypothalamus to initiate puberty? ------ gonadotropin-releasing hormone Sperm become capable of movement while in the ------ epididymis Which pituitary secretion stimulates sperm production? ------ FSH follicule stimulating hormone Which pituitary secretion stimulates the testes to secrete androgens? ------ LHLuteinizing hormone Sperm develop in the ------ seminiferous tubules A fertilized egg usually implants itself and develops in the ------ uterus A rapid increase in the _____ level stimulates ovulation. ------ luteinizing hormone eggs from a female developing into offspring without being fertilized ------ parthenogenesis What ovarian hormones are involved in the menstrual cycle? ------ estrogen and progesterone the most common bacterial STD? ------ chlamydia Puberty is triggered when brain maturation causes the hypothalamus to secrete ------ gonadotropin-releasing hormone (GnRH). The development of secondary sexual characteristics is due to ------ increased levels of estrogen or testosterone In men, as testosterone levels increase, LH levels: ------ decrease stimulates the release of FSH and LH. ------ Gonadotropin-releasing hormone (GnRH) What is the function of an acrosome? ------ It contains enzymes that dissolve the protective layers around the egg. In the male, the primary target of FSH is ------ Sertoli cells. stimulates the production of testosterone? ------ LH Mature sperm are stored in the ------ epididymis The epididymis connects the ------ testis and the vas deferens path sperm travel on their way out of the male ------ seminiferous tubules → epididymis → vas deferens → urethra If the prostate gland failed to add its contribution to semen ------ the semen would not be fluid, due to lack of enzymes
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