22) Which of the techniques/characteristics below may be used to identify a target bacterium in a pool of microorganism? a) its morphology b) its growth requirement c) antibody-antigen interaction ) d) all of the above. ) e) a and c 23) What is the process that produces alcohol in S. cerevisiae (yeast)? () a) Respiration ( b) Sedimentation c) Photosynthesis )d) Fermentation 24) Identify the most mistaken (wrong) choice: a) Halophiles are those organisms that like high salt concentrations. ) b) Some bacteria reproduce by binary fission. ( c) A fungus cell contains a true nucleus. d) During the lag phase of growth, the metabolic activity is very low

Q: Why is there a debate as to whether  archaea is  classified as prokaryotic or eukaryotic

A: Introduction Single-celled organisms are classified as Archaea. Prokaryotes are microorganisms that…

Q: Below is an MSA plate inoculated with bacteria and grown at 37*C for 2 days. Be pecific and thorough…

A: MSA plates inoculated with bacteria shows yellow color.

Q: What makes autoimmune response and immunological memory similar to clonal selection

A: Introduction Autoimmunity refers to the immune response of the body against its cells and tissues.…

Q: What is one ecosystem service or resource from the Andes region that humans rely on?

A: Introduction An ecosystem is any living thing that shares an environment, from plants and animals to…

Q: 3. Pathogenicity of hookworm infection.

A: Hookworm It refers to the parasitic nematode that resides in the small intestine of organisms like…

Q: What kinds of seeds are surrounded by an ovary wall?

A: Seeds contain the miniature plant. For example it contains structures which later on develops to…

Q: 9-10. Give 2 more examples of heterotrophs. 11-13. Explain why we cannot make food for ourselves by…

A: 9-10)   Heterotrophs: Organism that is unable to synthesize its own food, and therefore, has to rely…

Q: 48 answer all please find the connection among the words below and choose the letter of the word…

A: Methylene blue is a blue stain that binds to DNA and helps to visualise DNA in gel electrophoresis…

Q: Describe and give an example of the following types of stem cells: - totipotent - pluripotent

A: Introduction:- Stem cells are unspecialized, undifferentiated cells that can differentiate and…

Q: Minimum calcium is needed in the; blood if the level falls too low calcium causes parathyroid glands…

A: The parathyroid glands are two pairs of small, oval-shaped glands. They are located next to the two…

Q: A 20µL unknown protein was mixed with 80µL of water. Then, 10µL of this mixture was added with 10µL…

A: Answer :- Assuming that the standard solutions of BSA were made upto 100μL, the concentrations taken…

Q: To determine: The information gained about the function of WDR62 from the DNA sequence of the normal…

A: Introduction Genome:- The genome is the entire set of DNA instructions found in a cell,  In living…

Q: Down Syndrome (trisomy 21) is caused by an error in meiosis which results in the presence of three…

A: Meiosis and mitosis Meiosis is the reductional division in which the parental cells divide to form a…

Q: The schematic diagram below shows the total genomic DNA isolation of a bacterial colony on a mutant…

A: Centrifugation Centrifugation is a technique by which it separates the different components based on…

Q: 1. Why can't ova of the parasite indicate a specific hookworm infection?

A: INTRODUCTION The two species of hook worms seen in human are Ancylostoma duodenale and Necator…

Q: What is effective population size if 40% of the panmictic (=random mating) population of 100 humans…

A: Introduction The term "population" usually refers to the number of people living in a specific area,…

Q: Which of the following is/are source/s of error in performing a spectrophotometric method? Answer…

A: Spectrophotometery It refers to a technique which is helpful in identifying the solute concentration…

Q: You are treating swimming pools with ozone. You are using 0.02 ppm ozone to kill adenovirus, with an…

A: Adenoviruses are a group of common viruses that infect the lining of your eyes, airways and lungs,…

Q: Are there any known infections on the NeocoV virus and where? Should humanity be concerned about…

A: Viral infections Infectious diseases are diseases that can be transmitted from one infected person…

Q: LABEL THE PARTS OF THE DORSAL AND VENTRAL PARTS OF THE COCKROACH.

A: The cockroaches are under phylum arthropoda that contain paired joint appendages. The body is mainly…

Q: How does lowering the temperature 15°C from the optimal growth temperature affect growth rate

A: Growth is dependent on many factorsl. The first and foremost being the nutrient substances an…

Q: a) indicate the chemical structure of parathyroid hormone, name the stimuli of its secretion, target…

A: Parathyroid adenoma Parathyroid adenoma is defined as an abnormal condition, non-cancerous growth of…

Q: Why can we be sure that all animal and plant populations are under some form of environmental…

A: Answer :- A reasonable biological system works through energy and material cycling. The central…

Q: Identify the maturing oocytes and follicles on the ovary image below. Corpus albicans Corpus luteum…

A: Introduction Ovary:- Ovaries are the female gonads — the primary female reproductive organs, it…

Q: It is the microscopic structural and filtering unit of the kidney. A. Renal Cortex B. Loop of Henle…

A: Kidneys play an important role in removal of waste and toxic products from the body. This method of…

Q: How might biological and physical aspects of the environment interact to influence a species…

A: Introduction:- The geographical distribution of different species varies greatly. It can range from…

Q: 1. NSF is an enzyme that uses the energy of ATP hydrolysis to disassemble complexes between v-SNAREs…

A: N-ethylmaleimide-sensitive fusion protein (NSF) are the enzyme that is encoded by the NSF gene and…

Q: 8. How many turns of the B-oxidation pathway would be needed to degrade each of the following fatty…

A: Beta oxidation pathway for fatty acid degradation to acetyl Co A.

Q: What are the different digestive organs and give its specific functions.

A: The organs of the digestive system are the mouth, esophagus, stomach, pancreas, liver, gallbladder,…

Q: Which of the following statements are correct? explain your answers.A. An individual ribosome can…

A: Introduction :- The site of protein synthesis in the cell is the ribosome, which is an intercellular…

Q: 17) What gives Aspergillus sydowii colonies their hairy appearance? a) Hyphae () b) Stipes ( c)…

A: Introduction :- Aspergillus sydowii is a saprophytic fungus that can contaminate food and can be…

Q: The oscillatory clock that drives somite forma-tion in vertebrates involves three essential…

A: Delta from the adjacent cell binds to the notch receptor in Delta-Notch signaling. The notched tail…

Q: What cranial nerves are tested if you hold a pencil in front of a subject and ask the subject to…

A: Introduction There are six eye muscles in the human eye. They are divided into two groups: recti…

Q: One major goal of modern cancer therapy is toidentify small molecules—anticancer drugs—that canbe…

A: Cancer is a disease characterized by abnormal cell growth that has the potential to invade or spread…

Q: Prezygotic reproductive isolation can occur a. during embryo development b. during fetal development…

A: Reproductive isolation Reproductive isolation is defined as the condition in which the species are…

Q: Malaria is the disease of O 1. platelets O2. white blood cells O 3. red blood cells O 4. plasma

A: Upon getting exposed to malaria causing parasites by malaria carrying mosquito (Vector), the…

Q: What is the role of air pressure in the exchange of gases between the lungs and the environment?

A: respiration is the movement of oxygen from the outside environment to the cells within tissues, and…

Q: High doses of caffeine interfere with the DNAdamage response in mammalian cells. Why then do…

A: The activity of the various inhibitory mechanisms tells us about the extracellular environment, cell…

Q: Explain the effect in detail of Huntingdon’s Disease on the body

A: Introduction Huntington disease is a degenerative brain disorder that produces uncontrollable…

Q: A protein called insulin is responsible for controlling how much sugar is in our blood. When insulin…

A: Insulin is a peptide hormone secreted by the beta cells of the islet of langerhans of the pancreas.…

Q: The lacheinmal protein is a hypothetical protein that causes people to smile more often. it is…

A: Ribonucleic acid (RNA) is a nucleic acid present in all living cells that has structural…

Q: d) specify the hormone that accelerates this precursor formation and provide appropriate charts,…

A: In diabetic 1, patients develop ketone due to metabolism of fat. These are produced mainly in the…

Q: Refer to the following CASE Anna who is the wife of John, started to notice that she cannot smell…

A: NOTE: According to Bartleby guidelines only three related questions could be answered in one…

Q: Construct your model of the food chain/web by moving and linking (using arrows leading from those…

A: Various types of food chains are observed among the bio-community of any ecosystem. Again those food…

Q: Imagine that you could microinject cytochrome cinto the cytosol of wild-type mammalian cells and of…

A: Introduction:- Apoptosis, or "cellular suicide," is a type of programmed cell death. It differs from…

Q: To describe: The reason that the selection of phenotypes can affect the evolution of genotypes.

A: The phenotype is the external appearance of the organism and the genotype is the allelic composition…

Q: Step 1 - Below is a basic phylogenetic tree for how canids evolved. For a group to divide into two…

A: Introduction The process of natural selection is used to change the characteristics of a species…

Q: Explain the effect of cystic fibrosis on the body in detail

A: Introduction: Cystic fibrosis (CF) is a genetic disease that affects the lungs, digestive system,…

Q: What happens when the pressure in the ventricles becomes lower than the pressure in the atria?…

A: Introduction :- A ventricle is one of two big chambers towards the bottom of the heart that collect…

Q: What IS THE difference between Sanger sequencing and Illumina sequencing?

A: Sanger sequencing, also known as the “chain termination method”, is a method for determining the…

Microbial Physiology

Microbial physiology is the branch of microbiology that is associated with studying the physiology of fungi, bacteria, and viruses. It is an important field of science concerning functional genomics and metabolic engineering.

Chemotaxis

The organism’s movement in a particular direction as a response to certain chemicals that are available in the environment is defined as chemotaxis. In brief, it can be defined as the occurrence of an organism’s movement in response to a certain chemical stimulus.