Describe how energy and matter flow,interact, and change forms throughout the Earth System.

Q: What is an non pharmaceutical intervention for an flu outbreak in a community? And what questions co...

A: Based on limited data, the World Health Organization's recommended pandemic influenza interventions ...

Q: What is the purpose of an autoclave and what is its mechanism?

A: Answer :- An autoclave is utilized in clinical and research facility settings to disinfect lab hardw...

Q: there is a type of epithelial tissue called pseudostratified. Why?

A: The tissues associated with enveloping human body’s exposed surfaces can be described as the epithel...

Q: If 100,000 normal human cells were plated in a petri dish, around how many normal cells would be est...

A: Introduction: If we start with one cell, when it divides, there are 2 cells in the first generation,...

Q: What is apoptosis? How is it beneficial to the body?

A:  APOPTOSIS: * Apoptosis is a type of programmed cell death in which some steps in cell will leads to...

Q: Explain the importance of the protein structures (from its primary to quaternary structures) in thei...

A: Proteins are important biological molecules which are involved in normal functioning of biological s...

Q: Describe a nucleic acid.

A: Nucleic acids carry and store information and pass this information from parent cells to daughter ce...

Q: From the options below, select the most likely effect of a mutation that causes cyclin B to be unabl...

A: Cell division is of two types: mitosis  meiosis

Q: escribe and discuss the importance of at least three specific skeletal features (these can be either...

A: Essential features of skeletal framework of Hominis which differentiated them from rest of species a...

Q: What is cloning? How is it done?

A: Introduction: The DNA molecules produced through the cloning techniques are used for many purposes. ...

Q: River otter Largemouth bass 10 10 20 30 40 Amblent (environmental) temperature ("C) Based on your un...

A: Any self-regulating process through which an animal maintains equilibrium while responding to condit...

Q: Examine your environment or near local ecosystem and look for the species having variation in appear...

A: Variation among the species reduce competition for food even living in a same habitat which eventual...

Q: Pancreatic juices, saliva, and bile are used only for mechanical digestion? A. True B. False

A: Mechanical digestion comprises physically breaking down food items into smaller chunks in order for ...

Q: In a breed of horse, they can be purebred black (B), purebred white (W) or blue roan (black and whit...

A: horses can have different coat colors. they can have white, black, brown or roan. 

Q: ENUMERATE. The capabilities as a swimmer or capabilities to become a good swimmer?

A: Swimming is indeed an useful and enjoyable way to remain in shape. It has numerous health benefits, ...

Q: Which of the following best describes C-3 photosynthesis? Check all that apply.

A: C3 mode of photosynthesis is an inefficient way of photosynthesis compared to C4 and CAM respiration...

Q: 17. A 42-year-old man presents to the emergency department with a complaint of increasing shortness ...

A: Shortness of breath happens when your body's ability to breathe does not correspond to your brain's ...

Q: Suppose a genetically engineered fish escapes into the wild, what do you think would be the implicat...

A: If  genetically engineered fish will enter a world where wild salmon are already in a precarious sta...

Q: You find a plant with four basic plant adaptations. Which adaptation would most direcly indicate tha...

A: Q.Chlorophytes and land plants have the following characteristics in common: Ans)both include specie...

Q: hat is DNA

A:

Q: 28. Given the relative proportion of DNA that directly codes for genes, is it reasonable to say that...

A: Introduction :- A gene is a basic unit of heredity in biology, consisting of a sequence of nucleotid...

Q: One genotype in a very large and genetically variable population is favored in warmer than average y...

A: The correct answer is option (B) genetic variation will decrease as the genotype with the highest a...

Q: Tay Sachs disease is a recessive lethal. Abnormally shortened fingers are the heterozygous form of ...

A: Alleles  are the alternative forms of a gene that are located on the same locus of homologous chromo...

Q: What is the purpose of examining a specimen slide containing a stool sample in a clinical parasitolo...

A: Stool is more than just a waste product. In primary care, some stool tests can be used to differenti...

Q: Does the type of diet of the insect affect the structure of organs/parts of the digestive system? Ci...

A: The insect digestive system is a closed one with one long enclosed coiled tube called the alimentary...

Q: A 12-year-old boy is brought in by his mother with a 2-day history of fever and generalized weakness...

A: Peeiorbital erythema : skin redness  Edema : swelling  Opthalmoplegia : abnormal eye movement that o...

Q: The pentose phosphate pathway provides resources for, or is characterized by which of the following?...

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question s...

Q: During a flame test, why is it necessary to use a new splint for each element?

A: A splint is a thin wood/stick used commonly in laboratory for performing a flame test. The splint is...

Q: In a three-point testcross the nonrecombinant progeny are A+B+ C+ and a b c. The double crossover pr...

A: Three point cross refers to usinh three genes to determine order and distance between genes. During ...

Q: What type of mutation causes the "mutant" variety of the PTC gene?  a A point mutation which lead t...

A: PTC gene: it is the premature translation-termination codon. PTC is responsible for about one third ...

Q: Describe and identify on which segment of the legs/limbs of an insect would you expect the ambulator...

A: Insects have three pairs of legs, fore legs, mid legs and hind legs. There are certain modifications...

Q: Which part of your body is denser than water, therefore, to help you sink in the water? (Check all t...

A: We know that human body will swim to some extent if it is submerged in water. Our body is made up of...

Q: Imagine you are working in a genetics lab with the fruit fly Drosophila melanogaster, a model organi...

A: Fruit flies are tiny insects that eat fruits and vegetables. Its scientific name is Drosophila. The ...

Q: Match the numbers with the correct structure names 1 aorta tricuspid valve left ventricle

A: Heart: human heart has four chambers as follows- right atrium, right ventricle, left atrium, and lef...

Q: Fill in the blank: The shape of a red blood cell is related to its function of

A: RBC is type of blood cell. 

Q: How is a protein with a proper sequence generated?

A: Amino acids are biomolecules made up of two functional groups: an amino group (-NH2) and a carboxyl ...

Q: What should be the main consideration/s in grouping this diverse group of unicellular eukaryotes?

A: The study of protists is called protistology and protists are neither plant, animals, or fungus but ...

Q: Martina has what appears to be a seizure. To verify weather Martina has epilepsy, her doctor a fixes...

A: Introduction :- A seizure is a brief burst of uncontrollable electrical activity between brain cells...

Q: When did photosynthetic organisms first appeared? O From the very beginning of life, they are some o...

A: Photosynthetic creatures, also called photoautotrophs, are photosynthesis-capable organisms. Higher ...

Q: A 25-year-old woman presents to the physician with a complaint of several episodes of headaches in t...

A: Henry Parinaud was the ophthalmologist that first described the eye movement disorder and he was the...

Q: aerobic and anaerobic respiration, NADH is oxidized to return to NAD+ which is needed for Glycolysis...

A: Aerobic respiration can be described as the process involving the breakdown of carbohydrates such as...

Q: 6. An 80-year-old man patient was admitted to the hospital with a fever of 102 F. A sputum culture r...

A: Klebsiella oxytoca:- Klebsiella oxytoca are opportunistic pathogens that cause severe diseases in a ...

Q: Discuss the role of the regulator in relation with DNA damage and recombination in the article histo...

A: A histone is a protein that gives chromosomes structural support. Very long DNA molecules wrap aroun...

Q: Which of the following statements is true: O invagiantion is folding of cells that happens early in ...

A: Blastocoel is a fluid filled cavity in blastula. First the morula(60 or more cells) is formed then t...

Q: Why did this man have a pulmonary embolism?

A: Introduction:- Thrombosis is a blood clot that prevents blood from flowing freely through blood arte...

Q: Sexual adjustment is best viewed as a relationship issue, not just one partner’s problem. T or F?

A: Human beings are social animals. The first man on Earth was a cave man. No societal rules and regula...

Q: A 14-year-old boy experiences severe, prolonged bleeding following a tooth extraction. He also has a...

A: Mendel is renowned as the "Father of Genetics" because he discovered and described the rules of here...

Q: An epitope associates with which part of an antigen receptor?

A:

Q: In birds of paradise that populate tropical rainforest ecosystems, bright colored beaks and feathers...

A: In the ecosystem of tropical rainforests, most of the birds have bright colored beaks and feathers. ...

Q: How do we determine the essential amino acid residues?

A: Proteins are the building blocks of the body. It plays an essential role in the body. Proteins are m...

Energy Flow

Energy flow is the continuous and directional flow of energy through living beings within an ecosystem. All living beings can be segregated into producers and consumers. These producers and consumers can be further divided in a food chain. The term ‘trophic level’ is assigned to each level of the food chain.