What is the relationship between the severity of symptoms and the size of the chromosome involved in a trisomy?

Q: Q.3. Explain the terms: 1. Race 2. Breed 3. Cultivars 4. Variety

A: 1. Race- Different phenotypic populations within the same species may be referred to as a race. It…

Q: a) Q1 a. Justify why the base thyamine is petered over guanine in DNA while the reverse is…

A: Thymine helps stabilize nucleic acid structures. DNA is composed of two strands that twist upon each…

Q: Summarize the passage “Walking and fat loss”., and describe the reasons why walking is not effective…

A: Walking is a shape of a low effect, moderate-intensity workout that has various health blessings and…

Q: In root morphology there are three zones. What are the three zones and what roles do they play?

A: The root tip has three main zones: a zone of cell division (cells are actively dividing), a zone of…

Q: historical evidence obtained by Pierre Chambon that led him to conclude that amino acid coding…

A: The coding and non-coding regions of the DNA The coding regions are specifically called exons and…

Q: Q.1. Enumerate the post-transcriptional modifications in a eukaryotir mRNA.

A: Transcription is the process by which DNA is converted into messenger RNA. The following are…

Q: Summarize the major scientific findings about human sexual desire, arousal, and response.

A: The human sexual response cycle is a set or sequence of physical and emotional changes that occur…

Q: (b) How is ATP converted to ADP by glucose? Explain. Why is there no intake of phosphoric acid by…

A: ATP is converted into glucose by cellular respiration. Glucose is completely oxidised into carbon di…

Q: c) (i) Draw the potential tautomers of guanine. (ii) Based on Question 1c) (i), label the patterns…

A: Tautomeric forms of  Nitrogenous bases:       The common bases of DNA which are - adenine, guanine,…

Q: Question 32 Besides just using antibiotics, describe 2 specific actions we as humans are doing that…

A: A drug is a chemical that, when it interacts with the body, has a physiological impact on it. They…

Q: . How is convergent evolution different from divergent evolution?

A: Introduction We will answer the question in below step.

Q: .What is the bottleneck effect?

A: Introduction In this question we will discuss about the

Q: Describe the growth and reproduction of a zygote fungus

A: A fungus is a type of eukaryotic creature which comprises microorganisms like yeasts and moulds,…

Q: The brain swelling can cause two main problems: decreased oxygen delivery to the tissues and…

A: *Intracranial pressure monitor is used to  determine cerebrospinal fluid pressure. *Nervous…

Q: Mention two effects that phosphorylation of the CTD tail of RNA polymerase II has on the…

A: The CTD is expanded as a C-terminal repeat domain. It is a type of unusual extension that has a…

Q: humectants as food additives.

A: Food additives Food additives are substances that when added to food increase their flavours, taste,…

Q: Which of the following statements is TRUE regarding the ABO blood system?   A. People who have the…

A: ABO blood grouping It is the most important blood group/type system in human blood transfusion. ABO…

Q: Sphingolipids do I. contain a glycerol core with a phosphocholine headgroup. II. contain a modified…

A: The entire structure of sphingolipids does not show the presence of glycerol molecules. Glycerol…

Q: Q.2. Describe the individuals with the following chromosomal abnormalities: 1. Trisomy at chromosome…

A: 1) Trisomy - Trisomy results in Down's syndrome, which is an autosomal-linked genetic disorder that…

Q: A new recessive mutant allele doesn’t show pseudodominance with any of the deletions that span…

A: Pseudodominance is defined as the sudden appearance of the phenotype of a recessive gene in a…

Q: The ancestors of extant tetrapods first evolved the ability to live out of water over 350 million…

A: Tetrapods are vertebrates with four limbs or appendages that resemble legs. These animals are…

Q: ___ refers to the collection of all alleles across all gene loci in a population. a) Genetic drift…

A: Introduction :- An allele is a variant form of a gene. It is found on a certain chromosome at a…

Q: 3' Shown is a segment of DNA about to be replicated. a) What is the sequence of the complementary…

A: The leading strand always form on the strand that is 3'-5' in direction.

Q: 2. If instead of 20 amino acids there were 200 amino acids, then how many nucleotides would you be…

A: A codon is the set of nucleotides present in mRNA. It encodes a single amino acid.

Q: How do systematists apply the principle of parsimony?

A: Biological systematics is the research of the past and current diversity of living forms, as well as…

Q: A child could have the same blood type as one of his/her parents but it doesn’t always happen that…

A: It does not happen always for example parents with AB and O blood groups would have blood groups of…

Q: Question 8 Biological waxes are composed of glycerol and only one fatty acid a fatty acid and a long…

A: Biological waxes are modified neutral lipids from any organism or plants. Biological waxes has…

Q: 400x 1000x What is the shape of bacteria under a microscope, what color is there, and is there Gram…

A: INTRODUCTION Gram staining is a differential staining used to differentiate bacteria into gram…

Q: Which one of the following is not associated with too much protein? A. reduction of lean body mass…

A: Proteins are biomolecules that are composed of a long chain of amino acids. They are important for…

Q: Please help Why does TTX reduce the response caused by nerve stimulation and also the

A: Tetrodotoxin is a type of potent neurotoxin. Its name derives from the Tetraodontiformes, an order…

Q: Question 31 Lipids, aside from their structural and energy storage functions, are also able to…

A: Lipids are composed of hydrocarbons and for this reason they are hydrophobic in nature. Different…

Q: what is systematic, phylogenetic tree and phylogeny?

A: Phylogenetics is the observe of the evolutionary history of dwelling beings. Both principles are…

Q: The Earth’s atmosphere consists of 78% nitrogen. Why do you think that plants and animals can’t use…

A: Earth’s atmosphere contains a huge amount of nitrogen gas. But this nitrogen is unavailable to…

Q: Most fats isolated from animals are and whereas plant oils are fatty acids. O solid, saturated,…

A: Fatty acids are organic acids having hydrocarbon chain that end in a carboxylic group (_COOH). They…

Q: a. At what time point did would a nerve begin to fatigue? Comment on the percentage decrease in…

A: Introduction Muscle fatigue:- It is a decrease in maximal force or power production in response to…

Q: How many phosphates, deoxyribose and nitrogenous bases are there in a DNA that has 15

A: DNA is a polymer of nucleotides. Two DNA strands lie side by side with their complementary bases…

Q: The following graph shows the trends in bacteria and viruses after they infect an organism.   Part…

A: Introduction Bacteria are minute, single-celled organisms that can be found in large numbers in all…

Q: Why does Neostigmine cause an increase in the twitch tension when the nerve is stimulated and not…

A: *Neostigmine will  produce antagonism of mivacurium than of vecuronium . And  Neostigmine will…

Q: How Enteropathogenic E. coli influences carcinogenesis

A:

Q: 3. Listed within this chart are descriptions of a variety of DNA mutations. Your job is to fill in…

A: *Mutations cause change in  DNA sequence thar are resulted from DNA copying errors during cell…

Q: Canine Scott Syndrome (CSS) is caused by a mutation in the splicing consensus motif in the TMEM16F…

A: * canine Scott syndrome is an inherited blood clotting disorder which affects the dogs. * The dogs…

Q: Name the four classes of bones? a) Long, short, regular, irregular b) Big, small, flat, bulged c)…

A: Our body' structure is provided by bones. There are 206 bones in the mature human skeleton. The…

Q: Which of the following statements describes one reason that plant oils are generally healthier for…

A: Fats and oils are generally lipids. It composed of glycerol and fatty acids. Fats of animal origin…

Q: specific example of altruism in the animal kingdom. Be sure to indicate which species are involved…

A: * Altruism is when an organism behaviour benefits other organisms at a cost to itself in terms of…

Q: Which one of these mollusk groups can be classified as suspension feeders? O onphalopods O dvitons O…

A: Introduction  With over 100,000 species, phylum Mollusca is the second-largest animal phylum. Clams,…

Q: Explain 4 patholigical features associated with each of the following diseases caused by parasite.…

A: trypanosomiasis, also known as sleeping sickness, is a vector-borne parasitic disease. It is caused…

Q: What are the similarities and differences between airborne and direct disease transmission? Discuss…

A: Airborne disease…

Q: Q.4. Explain why excessive dosage and abusive usage of drugs such as amphetamines, LSD and…

A: Effects of drugs on human :- Seizures, stroke, mental confusion and brain damage. Lung disease.…

Q: Which of the following statements about olfactory receptors is not true? A Stronger odours cause…

A: Olfactory receptors are responsible for the sense of smell or odour. • Statement 1 : Greater the…

Q: What are the immunological implications of 'bare lymphocyte syndrome' /MHC deficiency?

A: Introduction - Mutations in some genes of the major histocompatibility complex or genes involved in…

Oogenesis

The formation of the ovum (mature female gamete) from undifferentiated germ cells is called oogenesis. This process takes place in the ovaries (female gonads). Oogenesis consists of three stages known as the multiplication phase, growth phase, and maturation phase. 

Cell Division

Cell division involves the formation of new daughter cells from the parent cells. It is a part of the cell cycle that takes place in both prokaryotic and eukaryotic organisms. Cell division is required for three main reasons: