Q.4. Explain why excessive dosage and abusive usage of drugs such as amphetamines, LSD and barbiturates used to treat mental illness, are considered harmful? What are the major effects of the usage of drugs in humans?

Q: Question 12 Five sweetener samples (labelled A to E) were tested by 97 individuals for the intensity…

A: Carbohydrates They are macromolecules and are one of the three main ways by which our body obtains…

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: Q.2. Describe the phenomenon in which two organisms occupying the same geographical area show the…

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

Q: sequences from deleterious mutations. D. These regions may contain regulatory sequences that control…

A: Mutation is a change in a DNA sequence. Mutations can result from DNA copying mistakes made during…

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

A: There are 3 post-transcriptional modifications which are splicing, capping and tailing. The…

Q: How do bacteria on the MEGA-plate become resistant to antibiotics?

A: Introduction An antibiotic is a medicine that inhibits the growth of microorganisms and destroys it.…

Q: A strand of DNA contains the base pair 5’-T-C-A-G-C-A-T-3’. Give the base sequence on the…

A: Answer

Q: semen creates a________ environment for sperm to safely travel through both the male and female…

A: The humans are sexually reproducing organisms in which male and female gametes fused to form a…

Q: features D-Glucosaminate-6-phosphate Ammonia-lyase structure that make either it different OR…

A: * D-Glucosaminate-6-phosphate ammonia-lyase (DGL) is a 5'-phosphate dependent enzyme which produces…

Q: What would the net amount of ATP produced be if dehydrogenase was inhibited for 2 molecules of…

A: Glycolysis is the process that involves breakdown of glucose into pyruvate. The glycolysis has…

Q: . Mention the characteristics of a true-breeding line.

A: The following are the characteristics of true breeding:

Q: Which organisms do photosynthesis? * 1 point Figure 62 Sunlight energy enters ecosystem…

A: Photosynthesis is the process through which plants and some organisms use light to convert carbon…

Q: 6. How would increasing ocean acidification due to global warming likely affect marine molluscs (be…

A: Introduction 6. Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda,…

Q: The enzyme hexokinase adds a phosphate toD-glucose but ignores its mirror image, L-glucose.…

A: Hexokinase is found in all metabolising cells of the body, whereas glucokinase is found in liver and…

Q: Question 39 Consumption over population also occurs when there are too many people each consuming a…

A: Consumption overpopulation also occurs when there are too many people each consuming a small share…

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: Characteristics of Life / Living Things of a dandelion.

A: Dandelion  It is a species of plant and belong to the phylum of angiosperms.

Q: Match each indicator species with the appropriate region: Western Great Lakes - St. 1. White-tailed…

A: * western great lakes St.Lawrence forest region consists of peninsula of southern Ontario by the…

Q: 1) How do the concepts of sex and gender interact? 2) Define the concept of a person's gender. What…

A: Introduction - Sex is defined as "the biological and physiological differences between males and…

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: Question 15 A patient is brought to the hospital and has suffered extreme blood loss. The patients…

A: Donor for the blood transfusion :-

Q: Place the following structurees of the internal kidney in the correct order in which urine passes…

A: Kidneys can be referred to as bean-shaped organs associated with filtering wastes present in blood…

Q: Q.5. How are the alleles of a gene different from each other? What is its importance?

A: Alleles are different variants of the same gene that are genetically distinct. For example, a gene…

Q: What is the article about? b.    When did this happen? c.    Where did it take place?

A: the cause of these cases of hepatitis is unknown," say the ECDC, which clarify that none of the…

Q: Give a long explanation ( minimum of 20 sentences) with examples why taxonomist are revising certain…

A: When specialists examine the scientific names of a given group, this is known as taxonomic revision.

Q: iii) What does the mutation do to the TMEM16F protein? splicing is unaffected, truncated protein…

A: * Canine Scott syndrome  is an inherited blood clotting disorder found in dogs. *dogs with this…

Q: Q.4. Give a reason for the discontinuous synthesis of DNA on one of the parental strands?

A: Introduction In this question we will write the reason for the discontinues synthesis of DNA on one…

Q: 6. Which of the following statements about biotic potential is TRUE? Biotic potential of an organism…

A: 6th answer is b is true Increase in food supply increases the biotic potential of an organism

Q: completely wraps the cavity is called: a) coelom b) pseudocoelom c) acoelom d) Archenteron e)…

A: 5th answer is b

Q: here are specific critical periods during fetal development in which any damage caused to the fetus…

A: Pregnancy is a nine-month period during which a fetus develops inside the womb of a female parent.…

Q: You have the following sequence reads from a genomic clone of the Homo sapiens genome: Read 1:…

A: The human genome is a complete set of nucleic acid sequences for humans, encoded as DNA in the 23…

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: . If you observed a dicentric bridge at meiosis, what rearrangement would you predict had taken…

A: Introduction :- Only if there was at least one crossover in the inverted segment would a bridge…

Q: how space constraints affect the brain development?

A: Introduction : The brain is made of three main parts: the forebrain, midbrain, and hindbrain. The…

Q: Question 26 If the normal fasting blood glucose range is 80-115 mg/dL, postprandial hyperglycemia at…

A: The statement is true and the explanation is as follows.

Q: What does a rabbit need that it makes for materials found in it’s environment

A: All living things have basic needs, same way the rabbit needs food, water and shelter to live in.

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: Which of the following explains why prokaryotes have a bigger gene-to-genome size ratio compared to…

A: *prokaryotic genome is composed of  single or double stranded DNA molecule form of circle. The…

Q: Q.15. State the principle of vaccination. How can vaccines be used to prevent microbial infections?…

A: Introduction In this question we have to state the principle of vaccination.

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

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

Q: P. aurelia alone P. caudatum alone 300 08 70 250 200 150 - 40 30 100 20 50 - 10 10 15 20 10 15 20…

A: Resources are frequently restricted within a habitat, and numerous species may fight over them. Here…

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: In a mimimum of 25 sentences explain why subspecies are important in the field of taxonomy. Also…

A: Subspecies are group at the principal phase of speciation; people of various subspecies at times…

Q: Gasping for Oxygen Explain how each of the following contribute to dissolved oxygen decline in…

A: Various factors are responsible for dissolved oxygen decline in aquatic ecosystems :-

Q: What is Sex-linkage?

A: Introduction In this question we will discuss about the sex linkage.

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

A: Plasma membrane of RBCs contain various antigens and based on the presence or absence of various…

Q: Why is Raphanobrassica fertile, whereas its progenitorwasn’t?

A: Raphanobrassica. Any intergeneric hybrid between Brassica (cabbages, etc.) and Raphanus is known as…

Q: Starting with acetyl-S-enzyme-1 and malonyl-CoA, how many molecules of acetyl-CoA synthesize an…

A: * Acetyl CoA is a molecule that involves in many biochemical reactions like  protein and…

Q: 20. Human placenta is derived from a) amnion b) chorion c) allantois and chorion d) allantois

A: Introduction  The placenta is an organ that develops in the uterus during pregnancy. This structure…

Q: Q.6. How far are the genes and environment responsible for the expression of a particular trait?

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