Question 13 Staphylococcus aureus toxin responsible for symptoms associated with food poisoning is heat-stable AND an endotoxin. an exotoxin AND heat-sensitive. None of the answer choices is correct. an endotoxin AND heat-sensitive. heat-stable AND an exotoxin. Question 14 Foodborne intoxication requires the ingestion of living organisms. True False

Q: Which of the following is the correct path of airflow during inhalation? O nasal cavity, larynx,…

A: Breathing is the most important physiological process through which an organism takes in the…

Q: What is the Effect of Castration on Nervous System of the Mammalian Male

A: Introduction Castration is any surgical, pharmacological, or other procedure that causes an…

Q: Key Capital (Dominant RED (RR) RED RED Lower Case (Recessive White(m) R Offsprings: 4 we Ratio: 4:4

A: The inheritance shown is definitely not the type given by Mendel hence it is one of the type of non…

Q: Directions: Arange in correct order the development of human embryo from fertilization until birth.…

A: Introduction Human embryonic development:-  It is a complicated process by which the fertilized egg…

Q: 7. A 24-year-old schizophrenia patient with prominent cognitive symptoms and social impairment is…

A: Schizophrenia It is a condition when a person is unable to think, behave, speak, feel or respond…

Q: Which of the following fusion of molecules establishes the backbone of an amino acid? 1. An alpha…

A: Amino Acids are monomers of long protein chains. Two amino acids are connected by the peptide bonds…

Q: Which assumption below is not required for Hardy-Weinberg equilibrium? Random mating O Large…

A: The Hardy-Weinberg equilibrium is a principle stating that the genetic variation in a population…

Q: Name the airways in the mammalian lung. What are their functions? How does air enter and leave the…

A: In mammal the respiratory system exchanges gases with the surroundings. Once air enters through the…

Q: Differentiate histologically the scalp skin and the palm skin. Include all the histological…

A: Skin It is the largest organ present in the body of a human. It covers from head to toe and consists…

Q: 15. Which of the following will NOT promote speciation between populations of the same species? a…

A: Ans: Speciation is an evolutionary pathway of creating new distinct species from the ancestral…

Q: Is the one-gene-one polypeptide hypothesis true for prokaryotes and eukaryotes?

A: The one gene-one enzyme theory is the possibility that genes act through the enzyme production, with…

Q: Which embryonic germ layer lines the outer surface of the embryo

A: An embryo is the early stage of human development in which organs form critical body structures.

Q: In a population, describe the result of inbreeding. Whether inbreeding leads to the change in the…

A: Introduction Inbreeding occurs when closely related organisms mate. Inbreeding is also defined as an…

Q: -What are the cost, scheduling, and other managerial requirements of a pacemaker?

A: A pacemaker is an electrical device that is designed to be implanted in the human body (usually the…

Q: Choose one of the small molecules. List what it's macro- molecule Structure is and describe how the…

A: Glucose molecules- is one of smallest molecules and it provides energy, from the structure of the…

Q: 4. Use the words presented in below to create a concept map illustrating the relationships among…

A: All these terms mentioned in the question, are related to the isolation, cultivation, and…

Q: The lumen of glomerular capillaries is lined by: Select one: juxtaglomerular cells. a. b.…

A: Glomerulus It is a tuft of blood capillaries nestled inside a cup like sac located at the end of…

Q: To define: Biogeography and what do biogeographers do.

A: A biome is a huge ecological community of plants and animals that live in close proximity in a…

Q: In the presence of lactose and the presence of glucose the lac operon is V [ Select ] Lacl is […

A: An operon is essentially a gene regulatory system in which a collection of genes coding for…

Q: In a population of 10000 people 49 have cystic fibrosis ( a genetic disorder). How many percent are…

A: A trait is a characteristic feature that is unique to particular individual . Inheritance pattern is…

Q: A fish die-off occurs in a pond near an agricultural field where fertilizer high in N and P has been…

A: Fertilizers are natural or synthetic substances, that are used in agricultural fields to increase…

Q: PCR is a new molecular technique used for a variety of purposes. Which of the following statements…

A: PCR (polymers chain reaction) is widely use in molecular biology as well as in the study of genetic…

Q: The contractile unit of a muscle fiber is called: O myosin O actin sarcomere O sarcolemma

A: Introduction :- Muscle fibres are made up of just one muscle cell. They aid in the control of the…

Q: The macula densa consists Select one: a. closely-packed nuclei in the epithelium of the distal…

A: Macula Densa: Salt sensors in the juxtaglomerular apparatus create paracrine chemical signals that…

Q: The remaining questions go together. You are given a pea that produces round, yellow seeds (both…

A: The alleles are the alternative forms of a gene that are located on the same locus of a homologous…

Q: Table1.Contractionofsmoothmusclebythreeagonists Contractileresponse(mm) Log[agonist] (M) -10 -9 -8.5…

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Q: You were given flies, you decided to determine their genetic make up. You counted approximately 360…

A: Frequency of recombination = (Number of recombinant /total number of progeny ) * 100 Homozygous…

Q: Which animals are at the top of the food chain?

A: Food chain : It is the chain which interconnects plants and animals through the energy consumption…

Q: Label image attatched: Frog early cleavage

A: 1) and 2):fertilization membrane…

Q: Which of the following is NOT a bone of the appendicular skeleton? O the scapula O a rib a…

A: According to the question, we have to find out which of the following is Not a bone of the…

Q: Distinguish between primary and secondary sex characteristics.

A: In an organism, sexual characteristics conduct features related to sex. Primary sex characteristics…

Q: What is an Ecological Risk Assessment and what are its uses?

A: Q. What is an Ecological Risk Assessment and what are its uses.

Q: 2) An individual plasma [Na+] is measured and found to be 130 mEq/L (normal = 145 mEq/L). What is…

A: Osmoles means solutes particles. Osmolality means concentration of solutes present in liquid(plasma)…

Q: A very large population of randomly-mating laboratory mice contains 35% white mice. White coloring…

A: The term "genotype" refers to the genetic makeup of an organism. It  describes an organism's…

Q: Humans have employed biotechnology since ancient times to breed animals and improve their crops.…

A: Biotechnology means the branch of science which uses living organisms by combining natural science…

Q: The major intrinsic protein responsible for the passage of water through cell membranes is O…

A: The process of passive transport (no energy required) by which molecules or ions of living cell move…

Q: Common Name: Rice Weevil Scientific Name: Sitophilus oryzae Host Range: _____________ Economic…

A: Introduction Rice Weevil:- Sitophilus Oryzae is also called Rice weevils, adults live 3 to 6 months,…

Q: Your friend is convinced his calico cat is male. He takes the cat to the vet. Sure enough the cat is…

A: Introduction : The coat of calico cats is tricolored. Because of their X chromosome, they are…

Q: Virology:Some viruses replicate better in hypoxic (low oxygen) environment of cancer cells .TRUE OR…

A: A successful viral replication can be achieved by viral infections that rely on the host cells for…

Q: a. On the graph, use horizontal lines to indicate the level of potential energy that each of the…

A:

Q: How would inhibiting the acetylcholine receptor, histamine receptor, and the K+/H+ proton pump…

A: Our body requires a large amount of energy to manage the daily needs which are obtained through the…

Q: What is mitochondria

A: In this question we have to describe about one of the most important organel of our cell which is…

Q: _is one of the earliest differences in the production of material culture, _ divides where…

A: During prehistoric times, members of homo erectus species had a lot of cultural differences.  These…

Q: The term defined as the amount of glucose that is available as new biomass to the next trophic level…

A: The trophic level of an organism refers to the position that it occupies in a food chain, a food…

Q: Elucidate the fundamental challenges the aquatic vertebrates and terrestrial vertebrates face in…

A: Terrestrial vertebrae The human excretory system removes waste from the body through sweat, the…

Q: In the presence of lactose and the presence of glucose the lac operon is not expressed . Lacl is […

A: In the presence of glucose as well as lactose, inhibitor/repressors gene is bound to the operator…

Q: Label the parts of the avian skeleton

A: Aves Aves are the vertebrates group that includes birds. They evolved from reptiles. Some examples…

Q: Insulin-like growth factor 2 (IGF2) is located on chromosome 11. My maternal copy of chromosome 11…

A: The IGF2 gene provides instructions for making a protein called insulin-like growth factor 2. It…

Q: Label the following parts of a Zea mays (corn): Epidermis Ground tissue Хylem Phloem Bundle sheath…

A: Introduction In a vascular plant, a vascular bundle is a strand of conductive tissue that conducts…

Q: To identify: The three levels of biological diversity.

A: Biodiversity refers to the variety of plants and animals that live in a given ecosystem. The members…

Sleep Physiology

Sleep is a condition of reduced muscle movement in the body. Awareness about the surroundings is reduced at the time of sleep. The body stays mildly responsive or non-responsive to external stimuli. The sleep-wake cycle is controlled by the circadian rhythm that produces a resting phase for the body.