What role does pituitary gonadotrophins play during follicular and ovulatory phases of menstrual cycle and also explain the shift in steroidal secretions.

Q: In peas, tallness is dominant over dwarfness, and red colour of flowers is dominant over the white c...

A: Tallness(T) is dominant over dwarfness(t) and the red color(R) of the flower is dominant over the wh...

Q: Coal miners inhale large quantities of fine coal dust when they are working in the mines. Over the y...

A: Introduction: The lungs are a couple of light, air-filled organs situated on either side of the ches...

Q: What are the difference of G, Q and R bands in karyotyping

A: Cells are the building blocks of life. Genes are the hereditary currency of life. Cells home various...

Q: While creation and presence of variation is directionless, natural selection is directional as it is...

A: Crossing over during meiosis and random fusing of gametes result in creation and variety in a sexual...

Q: Please explain what cerebral spinal fluid (CSF) is, how it is made (structures involved); and discus...

A: The swollen part of the central nervous system located in the brainbox with a cavity filled with CSF...

Q: NCR- ILC3 make up one of the most frequent ILC subsets in the human peripheral blood, while NCR+ ILC...

A: Answer--

Q: The number of taxa exhibiting asexual reproduction is drastically reduced in the higher plants (angi...

A: The structural organisation of angiosperms and vertebrates is more sophisticated.

Q: .In 1668, the Early scientist believed that life arose from (1) . Italian physician (3) _ time, biol...

A: According to the theory of spontaneous generation, origine of life take place from dead and decaying...

Q: - outerma

A:

Q: What are interferons? How do interferons check infection of new cells

A: Chemical mediators can trigger an immune response in a variety of ways. Some of them engage in phago...

Q: identify and describe the normal function of the cdc25 gene responsible for the observed cdc9-50 phe...

A: Cell cycle is tightly regulated by a number of proteins (such as cyclin-dependent kinases) in a cell...

Q: Using pearson's square, how to attain 30o Brix syrup using  50oBrix and 20o Brix syrup solutions?

A: Here, the given two available syrups are 50°Brix and 20°Brix, that is one of the solutions is higher...

Q: Which of the flollowing reasons DOES NOT account for the barrier protective effect of IL-22? Student...

A: Barrier protective effect of immune system: innate immunity consists of barriers like mucous layer, ...

Q: 1.  Partner DNA strand 2.  the mRNA strand 3.  the tRNA  4.  the formed amino acids 5.  the disc...

A: The DNA or deoxyribonucleic acid is the genetic material in living organisms that contain genes whic...

Q: Why do scientists believe that mitochondria evolved before chloroplasts? A. because all eukaryotic c...

A: A cell is the basic unit of life.  All living creatures are made up of cells, ranging from unicellul...

Q: following Mitosis phase: a. prophase b. metaphase c. anaphase

A: Number of chromosomes in mitosis phase is as follows :  Prophase : 46 chromosomes  Metaphase : 46 ch...

Q: The Nerve (Feel free to use any color to color code) Epineurium Perineurium Endoneurium Axon Fascicl...

A: Neurons are the basic term supposed to state that they are been referred as they are building blocks...

Q: Given: Adult diploid cell (2n = 8) 2. Illustrate the condition of the chromosomes during the follow...

A: Meiosis It is the process of divisions in which a single cell divides two times to generate four cel...

Q: Determine the fire hazards and control, chemical and biological hazards and control, physical and ps...

A: A Hazard is a potential source of harm or adverse health effect on a person or persons. 

Q: In the data given, it is all about measuring the concentration of salt solution using salometer in d...

A: Introduction: Distilled water is water that has many of its impurities removed through distillation....

Q: 14.Regarding Mitosis ,which is wrong? a. help cell growth. b.Help Repair and healing. c. continue th...

A: Mitosis is the process by which a cell divides into two copies, both with the same set of chromosome...

Q: A food sample was cooked. The bacterial population in the food decreased from 500,000 cells to 5 cel...

A: A Decimal Reduction Time (D-value) is a term that describes how long it takes to lower a number by o...

Q: What is Down's syndrome? Give its symptoms and cause. Why is it that the chances of having a child w...

A: Down syndrome is a human genetic condition caused by chromosome 21 trisomy. 

Q: 6/ The critical process in microscopic preparation of samples is * Mounting O Labelling Staining 8/ ...

A: 6- The critical process in microscopic preparation of sample is staining. In staining process cells ...

Q: You've ordered and received your "primers" for your PCR. Now what? In your new role as an MLA your b...

A: A primer is a short, single-stranded DNA sequence which is used in the polymerase chain reaction (PC...

Q: Explain briefly the following sources of evidence of evolution. Write your references below. 1. Bio...

A: Evolution is a process that took many years to form the present day species. The original species ha...

Q: In determination of microbial motility, what morphological structure is responsible for bacterial mo...

A: Introduction: Bacterial motility:Flagella are important structures in bacterial movement. Even thoug...

Q: Name and explain the two events during meiosis that contribute to genetic variability among gametes.

A: Meiosis is the cell division process that involves division of a diploid (2n) mother cell into to fo...

Q: 12. How does the body prevent abnormal clots?

A: Blood clotting, or coagulation, is an important process that prevents excessive bleeding when a bloo...

Q: In determination of microbial motility, what is the value of a hanging-drop perparation? what is the...

A: Hanging drop is a motility testing which helps microbiologist to view motility of bacterium.

Q: The karyotypes shown here depict chromosomal abnormalities. Name the syndromes and if they are male ...

A: "Genes" are the fundamental unit of heredity. They store genetic information in the form of DNA, whi...

Q: In this module, we learned about G protein function as a binary switch.  G proteins have an intrinsi...

A: The heterotrimeric alpha subunit of the G protein (Gα), first recognized as a regulatory GTPase acti...

Q: What is the importance of asepsis especially now that we have a pandemic

A: Solution : Asepsis is a condition in which no living disease-causing microorganisms are present. Ase...

Q: Briefly answer the question: Exome sequencing to identify a mutation that could cause a particular ...

A: Primary findings are the testing results which are obtained and provide required information about t...

Q: Which feature is NOT associated with innate lymphoid cells (ILCS) as compared to adaptive immune cel...

A:  lack t cell receptor (TCR) 

Q: Regarding the process of gene transcription in eukaryotes, it is correct to state that A)The transcr...

A: Transcription is a process of copying a DNA segment into RNA. 

Q: 1. Both Lepidoptera and Diptera have proboscis. true/false. 2. Phthirapterans have large claws tha...

A: Answer 1 :- True.   Explanation :-  The proboscis is an elongated, tubular structure that is used fo...

Q: Explain the concept of Plant Pathology?

A: Solution : Plant pathology is the science that studies the causes of plant diseases, the mechanisms ...

Q: В. РНАЕОРНҮТА Identify and label the structures of Padina and Sargassum. Padina vickersiae Padina Se...

A: Algae are non-vascular, chlorophyll having, photosynthesis performing creatures that, do not have ro...

Q: Pick the right answer and complete the sentence: The vessel marked (red arrow) in the image below is...

A: The internal carotid artery arises from the 4th cervical vertebra that branches out from the common ...

Q: The oldest known fossils of turtles look just like living turtles. The relationship between turtles ...

A: Fossils are dead plants and animals that have been preserved in sedimentary rock or other crust comp...

Q: Two sympatric species of wildflowers grow the same habitat but hybrids are extremely rare in nature ...

A: Sympatric  populations, varieties, or species that occur in the same geographical place at the same ...

Q: Regarding the process of DNA replication, is it correct to state that: (Only one statement is correc...

A:    (c)   DNA polymerase requires a previously annealed deoxynucleotide to add the next monomer being...

Q: person

A: Definition of nuanced :having nuances:having or charecterized by subtle and often appealingly comple...

Q: 1. Adult Ephemeroptera has stigma on its wings. true/false 2. Gracillariidae is a leaf-mining moth...

A: 1. Yes, it's true, they have pterostigma on its wings. Stigma or Pterostigma is a Dark ,more or less...

Q: Regarding the production of monoclonal antibodies, it is CORRECT to state that: * A) Hybridomas are ...

A: Hybridoma technology is used to produce monoclonal antibodies.  Monoclonal antibodies are the types ...

Q: Directions: Explain and give example for each type of reproductive isolating mechanisms. Pre-zygotic...

A: Prezygotic isolation mechanism do not allow the fertilization of eggs while postzygotic isolation do...

Q: extra-embryonic

A: An extraembryonic membrane is one of the membranes which assist in the development of the embryo.  S...

Q: 4 . About Peroxisome .what is wrong? A. has similar structure to lysosomes they are smaller. B.conta...

A: Introduction:Peroxisome is a membrane-bound organelle found in eukaryotic cells' cytoplasm. Peroxiso...

Q: Which of the following is correct (can be more than 1): Genetic drift is an important mechanism of e...

A: statements   (B), (c) , (E),(F)    are true .