Determine the fire hazards and control, chemical and biological hazards and control, physical and psycho social hazards and control?

Q: mind map about brain functions: left and right hemispheres.

A: The brain is a complicated organ that regulates our body's thought, memory, emotion, touch, motor sk...

Q: The thermodynamic properties governing the surface tension between water molecules and the grains of...

A: Introduction :- Morphogenesis is a process which occurs during the embryological development of an o...

Q: Write a sentence about the purpose of vascular plant structure lab.

A: Vascular plants are efficient in growth and development due to the presence of vascular tissues.

Q: Learning Task 3 Perform simple orchard gardening in your backyard/ container garden. Use the knowled...

A: Answer :: Day 1 : Placing seed  Day 2 : Spreading root of the tree Day 3 : Watering them softly Day ...

Q: In the above diagram, where do most immune cells accumulate? sub-mucosa and mesenteric plexus O lami...

A: Immune cells: there are many cells that provide defense against pathogens, called as immune cells. E...

Q: Explain why "transpiration is a necessary evil."

A: The plants perform different processes like photosynthesis, transpiration, respiration, etc., all of...

Q: 1. What scenario or situation was the defibrillator compared to? Give evidence. 2. What do we need ...

A: Solution : 1) Defibrillators are devices that restore a normal heartbeat by sending an electric puls...

Q: Statement 1: Gel electrophoresis separates macromolecules like DNA and proteins according to the cha...

A: A molecular technique commonly used for the separation of proteins based on mass is called SDS-PAGE ...

Q: Fill in the blank. The advantages of infrared waves are...? A. that they harden dental fillings and ...

A: A. UV light can be used to harden particular glues, resins, and inks by causing a photochemical reac...

Q: . Which type of -troph goes through glycolysis? a.) phototrophs b.) heterotrophs c.) organotrophs...

A: * Glycolysis is the metabolic pathway that consists of ten steps which are regulated by enzymes  * T...

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 . 

Q: What do contractile vacuoles do? A. pump water out B. overfill the cell with water C. make acidic wa...

A: This question is about contractile vacuoles.

Q: b) scorpion, he felt numbness in his fingers due to the neurotoxin produced by the scorpion which is...

A: Scorpion Venom would affect the duration and amplitude of an action potential. 

Q: Why does chromosome 21 come first before chromosome 22? If chromosome 21 is smaller than chromosome ...

A: Chromosome diseases are genetic illnesses caused by chromosome mutations. Chromosome diseases are ca...

Q: somatic cell

A: somatic cell is cell of the body except sperm and egg cells. Somatic cells are diploid cell that is ...

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

A:

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: What is the instrument used for karyotyping

A: Chromosomes are thread-like structures found within the nucleus and it occurs in both animal and pla...

Q: a) Figure 7 shows a sticky end that is cut by restriction enzyme. AAGCTT ATCGAA Enzyme K 3' Sticky e...

A: Restrictions digestion is a process where restrictions enzyme cut a specific sites of DNA. The cutti...

Q: factor of the ILC3 cells was responsible for the inflammation? O IL-17 IL-22 O TNF

A: Innate lymphoid cells (ILCs) are innate counterparts of T cells that contribute to immune responses ...

Q: Statement 1: Gene cloning is a process used to obtain many copies of a particular gene or large amou...

A: Answer : Option (1) is correct. Both statements are true.  

Q: Why is chromosome 21 the smallest and not chromosome 22? considering that a karyogram is arranged fr...

A: Introduction: In the nucleus of each cell, the DNA molecule is bundled into thread-like structures r...

Q: Explain why Mismatch Repair of absolutely requires semi-conservative DNA replication during S phase

A: * DNA mismatch repair is used for recognizing and repairing the  insertions and deletions and mis-in...

Q: Average force of the 600 N while it is in contact with the golf ball.if the impulse is 200 N x s the...

A: Impulse = Force x Time of contact  Time of contact = Impulse/Force 

Q: What is chromatin, euchromatin, and heterochromatin

A: The nucleus (plural-nuclei) is the most important and essential part of the cell. It directs and con...

Q: h) Depolarization of the T tubule membrane activates the sarcoplasmic reticulum via a) muscarinic re...

A:  INTRODUCTION          In the membrane structure T - tubule membrane is mainly associated with a man...

Q: Imagine that you are a scientist studying species interactions in Kruger National Park, South Africa...

A: Introduction: Competition is a type of interaction in whichboth the interacting species decrease the...

Q: CH3 HO CH3

A: Hydrolysis is a type of catalyzed reaction where hydrolase enzymes catalyse breaking down of specifi...

Q: the following correctly describes a possible scenario dunng a run of gel electrophoresis wit DNA sam...

A: This is a technique widely used for the separation of DNA fragments. These are isolated according to...

Q: Directions: Write the letter of the correct answer. Do it on a separate sheet of paper. 1. Which is ...

A: Evolutionary developmental biology is considered a new norm in evolutionary biology. It arose from t...

Q: True or false   in the intestine, IECs or innate immune cells or bohrons detect luminal perturbati...

A: IECs are non-hematopoietic cells that provide a physical barrier to exogenous antigens. IECs release...

Q: The thermodynamic properties governing the surface tension between water molecules and the grains of...

A: Solution :: Developmental biology is about the study of embryo to adult formation from step to step ...

Q: A red-flower plant crossed with a white-flower plant of the same species, produced F1 with all pink ...

A: A red-flower plant crossed with a white-flower plant of the same species, produced F1 with all pink ...

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

A: Variation is the change in allele frequency or differences in sequences of genes between individual ...

Q: What is the main mechanism contributing to the absolute refractory period in neurons:

A: The neuron is the basic working unit of the brain, a specialized cell designed to transmit informati...

Q: what are chromosome bands and why are they important

A: Introduction Chromosome banding:chromosomal banding is defined as alternating light and dark patches...

Q: Please answer fast Which type of cells normally drive class switching to IgE and how? How might the...

A: Answer 

Q: What is GMO? What is the advantage and disadvantages of GMO?

A: Gene therapy involves altering the genes inside your body's cells in an effort to treat or stop a di...

Q: ba saud əigissod au əg pinoɔ OUM Blood Types Blood type B Blood type O Blood type AВ Possible Parent...

A: Blood typing is a method employed to find out ones blood group. It is basically done so that a perso...

Q: A phospholipid bilayer with equal amounts of saturated and unsaturated fatty acids displays a specif...

A: Introduction Lipids:- A lipid is any of various organic compounds that are insoluble in water. They ...

Q: Why is R-banding significant when its banding pattern is just the reverse pattern of G-banding?

A: Banding technique: the given banding technique is of chromosome banding techniques i.e. G-banding, R...

Q: Why do raw household ingredients such as granulated sugar and cooking oils never go bad in normal co...

A: A. Extrinsic factors are factors in the environment external to the food, which affect both the micr...

Q: Which process or processes prevents UV radiation from causing cancer? A. MMR B. NHEJ C. HDR O D. Che...

A: UV radiation is a type of non-ionizing radiation emitted by the sun and man-made sources such as tan...

Q: 3. Ground Tissue *comprises the rest of the plant that is not dermal or vascular *used for photosynt...

A: Plants like animals are also comprised of different types of tissues and each tissue has specialized...

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: Hemlock Looper | attacks deciduous trees | is native to North America occurs Atlantic coast to Alber...

A: Hemlock looper( Lambdina fiscellaria) is a moth. 

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

A:  lack t cell receptor (TCR) 

Q: 6) For the pedigree shown below, answer the following questions. I II II I a) What type of inheritan...

A: Pedigree analysis helps us identifying the mode of inheritance of a particular disease by observing ...

Environmental health and hazards

An organism's environment is the environment in which it lives and has an impact on its well-being. The World Health Organization (WHO) defines environmental health as "those aspects of public health, such as quality of life, that are influenced by physical, chemical, biological, social, and psychosocial components in the environment." Environmental health is concerned with both natural and man-made settings in order to enhance public health. Environmental science, occupational medicine, toxicology, and epidemiology are the key subdisciplines of environmental health.