Why ozone hole forms over Antarctica? How will enhanced ultraviolet Radiations affect us?

Q: MULTIPLE CHOICE Which of these is not found in a cell that can grow? A. nucleus B. cellulose C.…

A: Cell wall  A non living rigid structure called the cell wall forms an outer covering for the plasma…

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

A: Cataracts are induced by oxidative stress and free radical damage clouding the lens. Water and…

Q: Choose correct answers. | Insect heart (dorsal vessel) is located between dorsal and ventral…

A: INTRODUCTION Insects They comes under the phylum arthropoda.

Q: Measurements taken at a lake in Kenya have a pH level of 10.5, temperature of 305 K and salinity of…

A: Extremophiles are organisms that are able to grow in extremely harsh environments such as high salt…

Q: Molecule Order the molecule is in Name (or short form name) of molecule during Glycolysis compared…

A: Glycolysis is a metabolic pathway with sequence of 10 reactions which are catalyzed by enzymes. This…

Q: The sequence of mRNA made using the DNA double helix shown below is (Select ] The sequence of…

A: Introduction Protein synthesis is a two step process. In the first step, a molecule of mRNA is…

Q: Archaea contains?   Choose the right answer: a. A nucleus with a virus cell b. A group of spine…

A: Archaea belongs to the Monera kingdom. The Monera is one of the kingdom found in the R. H. Whittaker…

Q: Biologists classify both ribosomes and spliceosomes as "ribozymes" because ... they both contain…

A: Please follow step 2 for a detailed explanation.

Q: 1) Explain why the intersex condition supports the idea that sex and gender are non-binary and that…

A: Sex is usually categorized as female or male but there is variation in the biological attributes…

Q: Given: Roller A is moving to the right at 3 m/s. B. ism 1.5 m Find: The velocity of B at the instant…

A: Given: Roller A is moving to the right at 3 m/s. We have to Find: The velocity of B at the instant 0…

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

A: The immune system protects our body from infections caused by foreign molecules. It is so efficient…

Q: 1. In humans, widow’s peak (W) is dominant over having a straight hairline (w). If a homozygous man…

A: Since you have posted multiple parts, we will solve the first question for you. To get the remaining…

Q: NORMAL SIGNALING PATHWAY REQUIRES Ras AND TWO PROTEINS, X AND Y signal molecule active Ras protein…

A: Ras signaling is a critical intracellular signaling pathway that performs a function in cellular…

Q: Why are planktons important in the food chain?

A: Answer

Q: Facilitated diffusion is a form of active transport.

A: Active transport is the movement of molecules that requires energy. It takes place against the…

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: Hydrolytic reaction do not always require the presence of water.

A: The word hydrolytic relates to the other word hydrolysis which means the breakdown process where…

Q: Which of the following is/are TRUE about ion channels and membrane pumps? a) lons can only move…

A: Ion channels are membrane proteins that are important in regulating cellular excitability. They are…

Q: What are the various constituents of domestic sewage? Discuss the effects of sewage discharge on a…

A: Introduction In this question we will discuss about the various constituents of domestic sewage.

Q: Find the value of work done is 520 J and displacement is 42 m. Find the force applied ?

A: Work done is defined as the product of the amount of force applied to an object and the degree of…

Q: Discuss three ways by which the human body is capable of utilising one single ligand in several ways…

A: A ligand is an ion or molecule that forms a coordination complex by donating two electrons to the…

Q: What does corpus callosum connects in human brain? a) Two optic lobes b) Bone and muscle c) Two…

A: Introduction - The brain is the central organ of the human nervous system, which is made up of the…

Q: Which event during meiosis does NOT lead to genetic diversity in the gamete cells?

A: Sister chromatid replication is the process where the chromosome doubles it chromosomal content…

Q: 90. The DNA template fragment shown was sequenced by the Sanger method. A sample of the DNA was…

A:

Q: 1. Action potentials are generated in a region called the _______ which includes the axon hillock…

A: Action potentials are generated in a region called the initial segment  which includes the axon…

Q: MULTIPLE CHOICE When plants are fertilized with sufficient amounts of ammonium which of the followin…

A: * Plants needs macro and micro nutrients for its growth and development. * Macronutrients are…

Q: Discuss the causes and effects of global warming. What measures need to be taken to control global…

A: In the context of climate change, global warming can be defined as an increase in the average…

Q: (14 00 Do You Know the Basics? Ane 6. Exercise 3.1: Parts of a Compound Microscope Unders 1. Label…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

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: Explain what evolutionary tree is. Also explain why it is important. In 200 words.

A: The evolutionary tree is also known as the phylogenetic tree. Every life which exists on earth has…

Q: At equilibrium during osmosis, is equal on both sides of the membrane.

A: Osmosis is process of   transport of a solvent through a semipermeable membrane that separates two…

Q: Ned has type A blood, which is common, while Catelyn has type AB blood, which is the rarest type in…

A: The blood type is a classification of the blood, based on the presence and absence of antigen and…

Q: How is a key helpful in the identification and classification of an organism?

A: Key It is defined as a taxonomical aid that helps in  process of identification and classification…

Q: Chromosomes become fully aligned during which phase? Zygotene Leptotene Pachytene O Diplotene

A: Chromosome become fully aligned during which phase?

Q: In trimetric G proteins the only function of the bamma y complex is to allow reactivating of the a…

A: G proteins are called the guanine nucleotide proteins that are responsible for switching on and off…

Q: 1) Define the concept of a person’s gender. What factors determine gender? 2) Define the concept of…

A: Answer

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: Spliceosomes play central roles in .. a) removal of exons from pre-mRNA b) removal of introns from…

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Q: Calculate the rate of population change for a hypothetical population of wildebeest using the…

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Q: O Autosomal dominant O Sex linked dominant O Mitochondrial Autosomal recessive

A:

Q: Alignment of protein sequences from the HOX gene family identifies a highly conserved domain in the…

A: *Alignment of protein sequences from the HOX gene family identifies a highly conserved domain in the…

Q: Name of Possible Benefits from Transgenic Organism Since super salmon grows very fast, it can be…

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Q: Can the bacteria Alicaligenes Faecalis ferment lactose?

A: Can the bacteria Alicaligenes faecalis ferment lactose.

Q: Using the following information, work out the total calorie content: Carbohydrates 30g of which…

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Q: identify the present microbes in soft swelled spoilage can

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Q: Which of the following factors increase the incidence of an autosomal recessive trait in a…

A:

Q: What is the number of progeny with dominant genotype when crossing occurs between A/a and a/a? 2 4 3

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Q: The drug vincristine, which prevents polymerization of tubulin, is used as a chemotherapeutic agent…

A: Mechanism of actions of drug vincristine in cancer treatment.

Q: A single gene mutation causing several, seeming unrelated problems is called? Entropy Pleiotropy…

A: Despite the fact that the haploid human genome contains 3 billion nucleotides, mutations in merely a…

Q: Sudden Oak Death in California:   a. All of the choices are true. b. is transmitted by bark beetles…

A: Sudden death of oak in california is caused due to an oomycete that is - phytophthora ramorum.

Air Pollution

The excess accumulation of pollutants or undesirable alterations in the environment and its resources such as air, water, and land can be referred to as pollution. Pollution affects the components of the environment. Pollution is considered a global issue as it is showing harmful effects worldwide. Metropolitan cities are more impacted by pollution than countryside or villages.