Which of the following part of the human brain has a center for controlling breathing? a) Medulla oblongata b) Diencephalon c) Cerebrum d) Cerebellum

Q: Receptor tyrosine kinases (RTKS) .. O a) often mediate pathways involving cell growth and…

A: RTKs are the membrane-bound receptors present in the cells. The role of RTK is phosphorylating the…

Q: What are the steps/methods involved in the collection of species? (Acquisition of genuine species)

A: A scientific collection is a collection of items that are preserved, cataloged, and managed for the…

Q: Photopsia is flickering lights and black dots

A: Organs like the eyes comprise the visual system. They give living organisms vision, the ability to…

Q: Compare the following situations of seed germination of monggo seeds within five days: - exposed to…

A: Mango trees require heavy nutrients, sunlight, and water for growth and development. the plants…

Q: Severe Combined Immunodeficiency (SCID) is X-linked Found only in females Both None

A: Severe combined immunodeficiency (SCID) is a genetic disorder of the immune system. Many genes…

Q: These two cells are in and stages of mitosis, respectively. O a) anaphase, telophase b) telophase,…

A: Every cell in the body undergoes cell cycle in which the cells grow through the phase and finally…

Q: • Suppose you're a tissue engineer and making a Project. Which of the the scaffold fabrication…

A: Scaffold fabrication is a tissue engineering technique involving the engineering of cellular…

Q: Superantigens that bind to the T cell receptor CD28 stimulate T cell activation and proliferation in…

A: Superantigens bind to the TCR after adhesion to MHC Class II; there are also two sites on the TCRs…

Q: The incidence of cancer ---- with age. a. increases b. decreases   8. Familial colon cancer ---…

A: Cancer is the uncontrolled cell division that is responsible for the development of abnormalities in…

Q: 4) Consider the synaptic vesicle cycle i shown below: Endosome fusion Budding NT Early endosome H+…

A: Answer

Q: Influenza virus uses______ which is found in the envelope spikes, to adhere to the host cell"

A: * Influenza virus will attacks respiratory system by entering the nose, throat and lungs. *Influenza…

Q: Choose the statement that best describes the difference between mitosis and meiosis Mitosis is…

A: option C - Mitosis is equal division without genetic variation ; Meiosis is reduction division with…

Q: a population of beans that is mostly diploid, there are an assortment of them: black, white, orange,…

A: Number of Alleles in a population can help us determine the genotype of the individual and also…

Q: Which of the following statements is/are true about steroids? Steroids ... a) are considered…

A: A steroid is an organic molecule that has four rings organised in a certain molecular arrangement…

Q: What happens to individuals with defects in regulatory T cells (Treg)?

A: Immune system is a system which maintains the bod's immunity. Immunity could be of two types- innate…

Q: Osteocytes are bone cells. Collagen fibers and calcium salts are found in abundance between and…

A: Earlier osteoblasts that have become entrenched in the bone are known as osteocytes. Osteocytes are…

Q: What is the course of vaccination for babies in the first two years after birth?

A: Vaccination  Vaccination is a simple way to protect people from harmful diseases.

Q: What are the 4 characteristics/properties of rRNA genes which make them good molecular…

A: Microbiology is the systematic investigation of unicellular, multicellular, and acellular organisms.…

Q: How do the rough endoplasmic reticulum and the Golgi apparatus act in the production and releasing…

A: Endoplasmic reticulum is usually found in the cytoplasm of the cell. It is the continuous structure…

Q: Pretend you are a scientist studying the population size of wildebeest in Serengeti National Park.…

A: The given question is an example of calculating population size using Mark recapture technique.  The…

Q: how common diseases affect the function of the urinary system.

A: Urinary system  Also called as excretory system , it consists of Kidneys , ureters , Urinary bladder…

Q: Explain the difference between the relative and absolute refractory periods. Briefly describe the…

A: A voluntary muscle fibre contracts when threshold stimulus (optimum stimulus that could generate a…

Q: In the secondary immune response, naïve B cells are inhibited. Explain the molecular mechanism…

A: Antigen recognition by Ig receptors and extracellular signaling by CD4+ T cells (thymus-dependent)…

Q: An experiment was done to determine how color of light and distance affects photosynthetic activity…

A: * Given that experiment was done to determine how color of light and distance affects photosynthetic…

Q: How do the rough endoplasmic reticulum and the Golgi apparatus act in the production and releasing…

A: Answer

Q: would be an ideal system for studying eukaryotic plasma membrane, because

A: Plasma membrane : The plasma membrane, also called the cell membrane, is the membrane found in all…

Q: Despite the functional similarities of all flagella, scientists suspect that eukaryotic and…

A: Flagella : Flagella are hair like structure that acts primarily as an organelle of locomotion in the…

Q: What is the sequence of GC-rich box in 3' to 5' direction? GCGCGC GGGCGG CCGCCC GGCGGC

A: Introduction GC box increases the amount of transcription for that gene when present in a…

Q: 3. 4. 2 3 4. 5 6 7 8 pH of reaction According to Figure 1.7 which enzyme is most likely found in a…

A: The enzymes are biomolecules that catalyze biochemical reactions. These enzymes are very sensitive…

Q: Table 4: Transgenic Organisms and How the Organism Benefits Human Society Transgenic Organism Field…

A: Transgenic organisms contain foreign DNA introduced through biotechnology. Foreign DNA (the…

Q: Predators are bad for prey that get eaten. However, predators can have a positive effect on prey…

A: Predation  Predation envolve consuming of one animal by other. The eater is known as predator and…

Q: Question:- In an early log-phase E. coli population, there are 1 x 103 cells/ml the generation time…

A:

Q: Total Area (A) = 1,600,000 m2 (160 ha). w = 75 m L = 700 m Area of transect = 2wL Count all of…

A:

Q: Cataract causes acute and chronic vision loss .A true .B false

A: Our eyes are sense organs for vision. They also help in perception of colour. Human beings have two…

Q: Which of the following is a transversion mutation Select 4 correct answer(s) OA --> T OC--> T C -->…

A: Point mutations The mutations that occur at single base nucleotides are called a base or point…

Q: Give examples of animal and human cells used in laboratory

A: There are many different types of cells that can be found in both animals and humans. Some of these…

Q: Evolution tends to let animals bigger or smaller?

A: * Evolution is the change in  characteristics of an organism over many generations bases on natural…

Q: What are the external parts and function of shark? 2. What are the external parts and function of…

A: Animal anatomy deals with the structural relationships and physical characteristics that represent…

Q: You normally have 46 chromosomes in each of your somatic cells. How many bivalents are present at…

A: Chromosomes are thread like structure. These are the hereditary material.

Q: 11. Explain the role of cytochrome c, Bax/Bac, Fas receptor-ligand, caspases, IGFBP3 in causing…

A: Apoptosis or the programmed cell death involves a series of biochemical changes, that ultimately…

Q: Current examples of edible vaccines treat the following Polio Measles Нерpatitis C None of the above

A: Edible vaccines are made from transgenic plants and animals or contain chemicals that cause an…

Q: What is the corresponding mRNA sequence of the polymer? 3'CAG TTA AGC CTC GGT TAC CAG GAT ACG GGA 5'

A: Translation is a process which takes place on the ribosomes. It is step of protein synthesis where a…

Q: Which of the following cis regulatory elements are present in the pre-MRNA sequence? SRs hnRNPs ESES…

A: RNA editing and splicing are the two major techniques that dynamically regulate human transcriptome…

Q: Write a note on economic importance of algae and gymnosperms.

A: Economic Importance Of Algae-  Algae are used as liquid fertilizer, it helps in balancing nitrogen…

Q: The insecticidal compound BTK O is a bacterium or bacterial product. O is an acronym of Bacillus…

A: * BTK is a pesticide that control caterpillars in production of many food crops. Many organic food…

Q: Enhance your creativity and critical thinking skills by making your own illustration of the phases…

A: Meiotic division occurs in sex cells when the gametes are to be formed. In this type of division the…

Q: Could the number of eggs or young ones produced by an oviparous and viviparous mother be equal? Why?

A: Fertilization is a phenomenon in which male as well as female sex cells combine with each other…

Q: What are some examples of secretory cells?

A: Secretory cells- These cells are tall columnar cells which contains secretory granules in their…

Q: What is the nature of cell-walls in diatoms?

A: Introduction We will discuss about the nature of cell wall in diatoms.

Q: List out the main types of DNA damage that occur below and major cause of this type of mutation. How…

A: DNA damage is a change in the basic structure of DNA. Damage can be addition of the bases , removal…