Occluding junction is serves as a channels for communication between adjacent cells. O False O True

Q: The pharynx is the structure in the body that serves as a pathway of both air and food. How does the…

A: The respiratory system is a network of an organ and tissues that help us to breathe, exchange gases,…

Q: In "Your Genes, Your Choices," Priya is concerned about Huntington's disease, an autosomal dominant…

A: This is a disease that is autosomal dominant. It is an inherited neurodegenerative disease that…

Q: About half of the carbohydrates produced by photosynthesis are used for metabolic purposes in…

A: Introduction Photosynthesis:- It is physico-chemical process By which plant use light energy to…

Q: Which of the following is TRUE regarding bacteria? Bacteria help produce vitamins in our digestive…

A: Virus are intracellular obligately parasitic, self-replicating non-cellular, sub-microscopic…

Q: The cardiac valves consist of a central core of dense fibrous connective tissue lined on both sides…

A: There are four valve present in the heart which helps in regulation of blood flow. Blood flow in a…

Q: Which of the three types of nerves contains both sensory and motor neurons? a spinal cord b motor…

A: Introduction: A bundle of axons (nerve fibres) is encased in a tubular medullary sheath to form a…

Q: Describe the production of fairy ring of mushrooms and also explains why its diameter is related to…

A: Introduction A structure known as mycelium makes up the fungus body in mushrooms. Mycelium is a…

Q: The muscle that responsible to move the eyes are having a large number of neuromuscular junctions. O…

A: Introduction: The terminal end of a motor nerve and a muscle (skeletal, smooth, or cardiac) form the…

Q: How is a provirus related to disease symptoms?         A-the provirus continually lyses cells,…

A: A virus, an unseen microorganism, infiltrates our body. It infiltrates our tissues and then…

Q: 18. Which hormone is administered in the case of anaphylactic shock? a. insulin b. epinephrine c.…

A: As per our guidelines we are not allowed to answer more than 3 sub parts at a time please ask rest…

Q: Given that the gene for the color-blind condition is recessive and X-linked. You have a female with…

A: Maternal parent has a nondisjunction at Meiosis1 or 2

Q: 8. Clonal Selection Hypothesis is the most accepted theory for how immune cells respond to specific…

A: The theory postulates that a foreign antigen, invading our body, binds to one specific antibody…

Q: Microorganism/Causative Agent:  Candida albicans *for the discovery, who discovered it? when was…

A: Candida albicans C.albicans is a strain of yeast naturally found in the human gut and mucous…

Q: Covid -19 virus is a RNA-virus that infects the throat cells. What does this mean? Why would the…

A: The Covid 19 is basically caused by SARS-CoV-2 virus which is responsible for severe acute…

Q: Given DNA strand: 5'  T G T T A G T C G A A T  3'   Write its complementary DNA and its mRNA.

A: The DNA or deoxyribonucleic acid is the double standard helical macromolecule. It is the genetic…

Q: Identify the two clinical forms of anaphylaxis and also explain which one is more fatal than other.

A: The early onset of allergic reactions to certain antigens is the basic mechanism shared by all type…

Q: Q2

A: The ocular albinism is a sex linked recessive disease. The gene is present on the X chromosome.  The…

Q: Stems can undergo changes in structure to carry out other functions. 1. Below are plants with…

A: Plant Specialized structure Functions Antigonon leptopus Tendril Spirally slender…

Q: Which of the following is true about * astrocytes: protoplasmic astrocytes, are located in the gray…

A: Astrocytes are specialised glia that outnumber the neurons in the central nervous system. Each…

Q: Why would a parasite develop a life cycle involving an intermediate hosts? What is this giving the…

A: Introduction: Parasites are organisms that depended on another life form, serving, for food,…

Q: Q6

A: A mutation is a change in the structure of a gene, which is the fundamental unit of inheritance.…

Q: I need help with this diagram because I wrote the wrong Mark for Gp, Gr And I have to represent…

A: The enzymes are proteins which act as biocatalysts. In the presence of enzymes, the activation…

Q: Give a short discussion about tetracyclines and sulfonamides as chemotherapeutic antimicrobial…

A: Tetracycline is used to treat infections caused by bacteria including pneumonia and other…

Q: Which of the following happens to the viral nucleic acid during a lysogenic cycle cycle? a-the viral…

A: In case of lysogeny , viral DNA ingrated into host's DNS. That means integration of…

Q: The question is : Our intestinal tract is filled with probiotic bacteria which are the bacteria that…

A: There are some important bacteria found in different regions of our intestine. They are helpful to…

Q: Biology homework questions I’ve been having trouble with. I need lots of help! 1. How many ATPS are…

A: Cellular respiration is a group metabolic process used by every living organism to produce energy in…

Q: List and define principles of HACCP system.

A: Introduction Hazard analysis and critical control points (HACCP) is a process control system aimed…

Q: Explain whether the antibody diversity is generated at the DNA or RNA level.

A: The immune system is a sophisticated biological system that can recognise and accept self-cells…

Q: Which of the following results from atherosclerosis (without complete blockage) in a cerebral…

A: An artery carries blood away from the heart. They do have valves. An artery carries oxygenated blood…

Q: how are specific molecules used to change a gene expression

A:

Q: Which of the following would lead to a DECREASE in atmospheric methane concentration?

A: Methane. Methane is a chemical compound and alkane has the formula CH4. It serves as the major…

Q: Enlist the example of the effect of vertebrate animal have on human.

A: Introduction: Vertebrates include mammals, birds, tortoises, amphibians, as well as fish, and the…

Q: Build" the mRNA molecule matching the RNA nucleotides to the DNA nucleotides properly, letter by…

A: The process of RNA synthesis with the help of template strand of DNA is called transcription. It is…

Q: 44+ OC 4H+ Ţ 24+ 3 Ht

A: The electron transport chain (ETC) that happens in the mitochondrial inner membrane is called…

Q: Your mother has Huntington's disease, an autosomal dominant disorder. Your father is not diseased.…

A: Huntington chorea is a autosomal dominant disorder , so the person will be affected if even a single…

Q: I. Vitamin B3 is the building blocks of the coenzyme Flavin Adenine Dinucleotide II. Coenzyme FAD…

A: The coenzymes helps the functioning of the enzymes. The coenzyme together with the apoenzyme form…

Q: Eubacteria can be found in almost any type of environment and are non- pathogenic True False Measles…

A: Introduction :- Bacteria are largely free-living organisms that frequently only have one biological…

Q: minutes WITHOUT SWALLOWING, you would notice a change in the way the bread tastes. It will taste as…

A: Saliva is a clear liquid made by several salivary glands presemt in the mouth area. Saliva is made…

Q: A dormant virus can be activated and enter the Lytic cycle True False Viruses produce toxins in…

A: Those viruese which have another phase of replication called as latent phase and these viruses…

Q: Define the genetic and environmental factors which influence allergy development.

A: An antibody against a harmless chemical is activated as a result of an allergic reaction that the…

Q: Connexin is found in O Zonula occludens O Zonula adherens O Gap junction O Desmosome

A: Connexins, also known as gap junction proteins, are transmembrane proteins with similar structures…

Q: Dopamine is involved in which neurodegenerative disorder? 1) Alzheimer's disease 2) Parkinson's…

A: Dopamine is one type of neurotransmitter (a signalling molecule secreted by a neuron to affect…

Q: 6. How do steroid hormones affect cells? They release messenger molecules. They attach to receptors…

A: Blood is a body fluid in the circulatory system of humans and other vertebrates that delivers the…

Q: 6) protein denaturation caused by concentration of salts and minerals in solution is a) coagulation…

A: Introduction  Denaturation is a biological process that alters a protein's molecular structure. As a…

Q: Smelt 1.04 ppm Zooplankton 0.123 ppm Herring gull eggs 124 ppm Lake trout 4.83 ppm Pa Phytoplankton…

A: Introduction: phytoplankton is a flora of free-floating, generally microscopic organisms that float…

Q: In the Primula plant, the blue flower color is due to malvidin, a pigment encoded by the completely…

A: Malvidin pigment, which is influenced by the gene M in this Primula plant, produces blue flowers.…

Q: Q7

A: Epigenetic changes include all except Change in DNA sequence. Epigenetic changes are modification in…

Q: QUESTION 3 Identify an important difference between the cytoplasm of the axon and that of the axon…

A: The component of a nerve cell (neuron) known as the axon, also known as a nerve fibre, is…

Q: on Which of the following statements about enzymes is CORRECT? Select one:* O A. Enzymes slow down…

A: introduction: Proteins are the most common, although some RNA molecules can function as enzymes.…