Identify whether the following statements are True or False. Answer it all. 4. Fertilization happens in the fallopian tube while gestation occurs in the uterus. 5. The sex of the embryo is determined by the male and female gametes 6. A sperm’s tail consists of a flagellum, midpiece contains mitochondria, and head contains the DNA. 7. Ovary delivers nutrients to the embryo.
Q: Lateral undulation is a type of locomotion used by many basal Chordates, but it is used by derived…
A: Option 1 is correct because all living crocodilians are aquatic and they swim with lateral…
Q: prokaryotic and eukaryotic cells: Characteristics Ribosomes Chromosome Cell Division Sexual…
A: Prokaryotes are the primitive type of cell. Prokaryotes don't have a well defined nucleus whereas…
Q: How does the compound below cause DNA damage? (Hint: Look at the structure of the molecule.) NH₂ Br…
A: Introduction The given compound is ethidium bromide, It is commonly used as a non-radioactive marker…
Q: In humans, the need to make the need to retain lactase; folic acid vitamin D; lactose vitamin D;…
A: Introduction Evolution is the change in the characteristics of a species over several generations…
Q: I. Three types of muscle fibres are identified: I, Ila and IIx. 11. Type I is less resistant to…
A: answer is i, iii and iv.
Q: label the frog testis
A: Testis is the male reproductive structure secrete male sex hormones and sperms are produced in…
Q: Summarize what is occurring in the initiation phase of transcription. For this answer don’t worry…
A: The initiation stage of transcription is formation of first nucleotides in the RNA chain. This phase…
Q: CASE STUDY 15.6 A 52-year-old woman presents with a localized swelling and purulent abscess in her…
A: Introduction A bacterial infection frequently causes an abscess, which is a painful collection of…
Q: Compare and contrast the role of promoter and operators with enhancers and repressors.
A: Nucleus is a main controller of the cell which carries genetic instructions . It contain thread like…
Q: adaptive radiation anagenesis background extinction dispersal mass extinction macroevolution…
A: Introduction Punctuated equilibra: It implies that evolution happens in spurts rather than in a…
Q: Discuss the adaptations that plants and protists have evolved to invade and manipulate their hosts.…
A: Introduction A biological defense mechanism is a form of adaptation that promote the survivability…
Q: You notice that the tails of the phages in one lab stock are shorter than the tails in another lab…
A: The phage tail is a complex, multi-protein structure that mediates attachment, digestion and…
Q: Gametogenesis Label the rat testis slide.
A: 1 is sertoli cells 2 is basement membrane 3 is Interstitial cells 4 is secondary spermatocytes
Q: Determine the effect (increase, decrease, no effect or cannot be determined) of the stated condition…
A: DNA is Deoxy ribonucleic acid’s and DNA have sugar phosphate as backbone and this sugar phosphate…
Q: 12) Which of the following energy system(s) should be well trained in order to have competitive…
A: Introduction Anaerobic exercise is a type of exercise that uses no oxygen to break down glucose in…
Q: Make a physical comparison between hard and spongy bone and describe the properties of both in the…
A: Bones are connective tissues that differ in shapes and functions and they form a skeletal system…
Q: Please compare and contrast the anatomy of the heart in a) most reptiles (turtles, snakes, lizards)…
A: Difference between Avian heart and Reptilian heart. S. No. Differential characters Bird's Heart…
Q: In 1985, a 0.5-mm cell was discovered in surgeonfish and named Epulopiscium fishelsoni. It was…
A: Introduction Protozoa are microscopic unicellular eukaryotes with a complex internal structure and a…
Q: Which of the following is NOT a component of the 30S initiation complex? A. EF-Tu and EF-Ts B.…
A: Translation Translation involves the transfer of information in mrna molecules into the aminoacidsl…
Q: 18) Which of the following statements concerning types of muscle fibre are correct? 1. Three types…
A: Introduction Muscle Fibres:- A muscle fiber is a single cell made of a bundle of myofibrils,…
Q: Briefly describe the causes and initial pathophysiology of diabetes type II.
A: Introduction Diabetes type II:- It is an impairment in the way the body regulates and uses sugar…
Q: How well are current and future generations expected to adapt to climate change? a. humans will…
A: In nature it is a rule that every organisms should adapt the present environment for their…
Q: Which of the following would explain the formation of double-stranded loops in tRNA? A.…
A: tRNA stands for transfer RNA. It is responsible for transferring the amino acids from cytoplasm to…
Q: : Which of the following choices is the most appropriate for Which of the following choices is the…
A: Regional block used as anesthetic technique. This is used to inhibit nerve transmission to…
Q: How does global warming cause deforestation?
A: Introduction Deforestation:- It is the removal of forests on a large scale by cutting plants or…
Q: At the peak of an outbreak, the total number of active cases for Covid-19 infections in a given…
A: Introduction Epidemiology is the study and analysis of the distribution, patterns, and determinants…
Q: Why do plants carry out anaerobic respiration? They produce 02 which is toxic to their system. Their…
A: *Anaerobic respiration will occurs in cytoplasm of plants and hence they will experience anaerobic…
Q: لا
A: Answer
Q: In which reagent is extracted DNA suspended to put it in solution? A. Sodium citrate saline buffer…
A: In which reagent is extracted DNA suspended to put it in solution? A. Sodium citrate saline…
Q: When the cDNA was sequenced by the Sanger method utilizing ddCTP, the following products were…
A: Answer :: If the dCTP was not present, the polymerization would come to a standstill, resulting…
Q: Which nutrients have only upper limit of intake without estimated RDA? Select one or more: a.…
A: *The Recommended Dietary Allowance are the amounts of Vitamin or mineral that are need to keep…
Q: Select the biosafety level
A: Biosafety levels (BSLs) are used to define the preventive measures that must be implemented in a…
Q: 4. REDOX reactions in special organelles are like biological batteries. They involve electrons…
A: Synthesiss of ATP take place inside the mitrochondria and chloroplast. The production of ATP ,ATP…
Q: sigma factor: TFIID TBP as O Pribnow box: TATA box O RNA polymerase holoenzyme: RNA polymerase II…
A: Sigma factor is a protein essential for the initiation of transcription in bacteria.It enables…
Q: : A patient with an allergy history which of the choices below A patient with an allergy history…
A: As per option 2 mepivacaine 3% to be used. Which is not true. The reason is it is an amide group…
Q: Lactate dehydrogenase is exist as M (muscle type) lactate dehydrogenase and H (heart type) lactate…
A: Lactate dehydrogenase is an enzyme found in most living organisms responsible for the conversion of…
Q: Do all gram negative organisms grow on EMB? A. no B. yes
A: EMB (Eosin methylene Blue) is a kind of media that is used to differentiate lactose fermenting…
Q: Which of the following is the odd one out?
A: Morphological features depict the physical characteristics of any given species or organism(it can…
Q: Are the D-positive fetal cells in Rh-HDFN heterozygous, homozygous, amorphic, or homologous?
A: Introduction Rhesus (Rh) factor is a protein located on the surface of red blood cells that is…
Q: every the molecule igure #2: shown below is a visual showing how 3 spins of the Calvin cycle creates…
A: A G3P molecule has three fixed carbon atoms, hence a six-carbon glucose molecule requires two G3Ps.
Q: If in the near future the scientific community decides with absolute certainty that there is only a…
A: ANSWER) (b) because the potential impacts of climate change pose a serious threat to mankind To…
Q: Considering a normal self cell, what might you expect to find in MCH I molecules on the cell…
A: MHC class I molecules (MHC-I) are cell surface recognition elements expressed on virtually all…
Q: Question 3C How would gas exchange and distribution of oxygen throughout the body be affected if…
A: *Blood moves from heart to lungs through pulmonary artery and in the lungs blood will be supplied…
Q: the best way to treat toxicity is : to make intramuscular injection the best way to treat toxicity…
A: The given statement is true.
Q: High testosterone is often associated with shorter lifespan in mammals. However, you find a new…
A: Females enter menopause and stop reproducing at age five, while males can reproduce until death,…
Q: Which of the following statements about Au. afarensis anatomy is most accurate? O a. Au. afarensis…
A: Australipithecus afarensis (Au. afarensis is an extinct species of australopithecine. These species…
Q: The pancreas helps to maintain homeostastis in the body. If the pancreas were to suddenly stop…
A: Pancreas is the organ that present below the stomach in the abdominal cavity. It has both exocrine…
Q: Topic: Water hyacinth proliferation in the majority of the Philippines' major waterways In…
A: The Water Cycle includes the continuous passage of rainwater from bodies such as land, water, and…
Q: In the phage titer experiment, why did you plate multiple dilutions? a. so that you should have a…
A: Bacteriophage It is a type of virus that infect bacteria.
Q: Phytochrome, plays an important role in flowering in many plants. It can also be used to determine…
A: Answer :- Option (C) is correct. - Most germinate.
Step by step
Solved in 2 steps
- Identify whether the following statements are True or False. Answer it all. 8. Fraternal twins are the results when 2 eggs are released and 2 different sperm fertilize those eggs. 9. Amniotic fluid protects, cushions, and insulates the embryo. 10. Human eggs are most similar to human sperm cells in their degree of motility, location where they originate, and chromosome number.Discuss the following terms in detail 1. Fertilization 2. Cleavage 3. GastrulationIdentify (make a line with name) and give functions of the following structures (full sentences). 1. Ovaries: 2. Follicles: 3. Corpus Luteum: 4. Endometrium: 5. Cervix: 6. Uterus: 7. Oviduct: 8. Fallopian Tube:
- Answer the following: 1. What are the groups of reproductive organs in males, and what are the functions of each group? 2. Which structures in males are homologous to the ovaries, the clitoris, the paraurethral glands, and the greater vestibular glands? 3. Trace the journey of sperm from its birth and fertilization. 4. Explain the development of an oocyte in the ovary through ovulation.Identify whether the following statements are True or False. Answer it all. 1. Sperm and egg cells are both haploid cells with 22 autosomes and 1 sex chromosome. 2. Ovulation is when an egg enters the uterus. 3. Implantation is the attachment of an embryo to the uterine wall. 4. Fertilization happens in the fallopian tube while gestation occurs in the uterus. 5. The sex of the embryo is determined by the male and female gametes 6. A sperm’s tail consists of a flagellum, midpiece contains mitochondria, and head contains the DNA. 7. Ovary delivers nutrients to the embryo. 8. Fraternal twins are the results when 2 eggs are released and 2 different sperm fertilize those eggs. 9. Amniotic fluid protects, cushions, and insulates the embryo. 10. Human eggs are most similar to human sperm cells in their degree of motility, location where they originate, and chromosome number.ACROSS 3. Softening of the lower uterine segment. 5. Dark pigment forms on face. 7. General feeling of tiredness. 8. Color change of vagina from pink to violet. 9. Fetal movement felt by woman. 10. When lower uterine segment is tapped on a bimanual examination the fetus can be felt to rise against the abdominal wall. DOWN 1. Stretchmarks form on the abdomen. 2. Line of dark pigment forms on the abdomen. 4. Softening of the cervix. 6. Absence of menstruation.
- 21. Write the correct answer in the space provided. Each word will only be used ONCE. Ovaries Ovulation Ovum Progesterone Puberty Sperm Cell Uterus Vagina Cervix Clitoris Egg cells Oestrogen Fallopian tube Labia Menstruation First, are produced in two almond-shaped . During the process of organs known as the a mature egg ( one of the two ) is released and enters . For a few days the egg The lining of this organ thickens in preparation for a fertilized egg. If the egg is not fertilized by the male cell travels towards the pear-shaped .. , it will leave the body together with the lining of the uterus and a small amount of blood. This is called The lower portion of the uterus is called the and is a common site for cancer in women. The female organ of intercourse is the A circular fold of skin is usually present at the entrance to the organ and is called the Outside of this organ are folds of skin covered with pubic hair known as the . Between these skin folds is a small, round sensitive…Match the labelled reproductive structure with the correct description. A A- F- G- E- E 1. Site of female hormone production 2. Site of fertilization 3. Site of implantation - endometrium 4. Muscular structure that supports the developing baby 5. Opening to the uterus 6. Birth canal 7. Storage for urine 8. Transports urine Number: Structure: A E F GTRUE OR FALSE 1. The glans penis and the clitoris are always covered by a prepuce.2. The ovaries and the uterus are the primary female sex organs.3. Ejaculation is the discharge of semen from the erect penis.4. The labia minora of the female genitalia are homologous to the body of the penis.5. Meiosis is unique to the gonads.6. Sympathetic stimulation of the arteries within the penis causes engorgement of the erectile tissue as arterial flow increases and venous drainage decreases.7. Mammary glands are modified sudoriferous glands.8. Prolactin causes the breasts to enlarge and the mammary glands to mature during puberty.9. Secretions from the vestibular glands moisten and lubricate the vaginal orifice during sexual arousal.10. The secretory phase of menstruation is from the time of ovulation until the start of the menstrual phase.
- a b 20 с d e (D f g h- 13. Identify the female reproductive system structures described below. 1. site of fetal development 2. copulatory canal 3. egg typically fertilized here 4. becomes erect during sexual excitement 5. glands homologous to the bulbo-urethral glands of males 6. partially closes the vaginal opening; a membrane 7. produces oocytes, estrogens, and progesterone 8. fingerlike ends of the uterine tube m 好 j k I 36. Match the terms in column B to the descriptive statements in column A. Column A 1. copulatory organ/penetrating device 2. muscular passageway conveying sperm to the ejaculatory duct; in the spermatic cord 3. distal urethra that transports both sperm and urine 4. sperm maturation site 5. location of the testis in adult males 6. loose fold of skin encircling the glans penis 7. portion of the urethra that is located in the urogenital diaphragm 8. accessory gland that secretes fluid to cleanse the urethra prior to ejaculation 9. accessory gland that secretes the largest contribution to semen Column B a. bulbo-urethral glands b. ductus (vas) deferens c. epididymis d. intermediate part of the urethra e. penis f. prepuce g. scrotum h. seminal gland i. spongy urethraMatch the definition from Column 2 with the word it describes in Column 1. Type the letter of the definition that goes with each term in the box on the far left (next to each number/term). Column 1 Column 2 Reproductive Organs Functions 1. Cervix A. Opening to uterus 2. Seminal Vesicles B. The external sexual organ of the male 3. Vas Deferens C. Shelters and nourishes the growing baby 4. Ovary D. The sac that contains the testicles 5. Testicles E. Organ that stores urine in males and females 6. Uterus F. Glands that contain immature ova (eggs) 7. Anus G. Urethra and vas deferens merge with this gland; produces seminal fluid 8.Vagina H. Ova travel through these tubes 9. Labia I. Sensitive area within the female’s reproductive system 10. Bladder J. Opening for feces to pass from the body 11.…