Why are older expectant mothers routinely given amniocentesis or CVS?

Q: Lipids are the main source of energy and metabolic fuel of the body, especially for the brain…

A: Lipids are the organic compounds that are insoluble in water. It includes fat, wax, hormones and oil…

Q: .Define autosome, hemizygous, homozygous, and heterozygous?

A: Genes  Genes are basic unit of heredity. They are present on the DNA.

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: 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: Match the following descriptions with the correct lipid-based compounds: v Cholesterol A. regulates…

A: 1.  Cholesterol - matched with - option (J).           By inducing conformation ordering of the…

Q: In a certain African population, 4% of the population is born with sickle cell anemia (aa).…

A: p2 + 2pq + q2 = 1 and p + q = 1 p = frequency of the dominant allele in the population q = frequency…

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

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

Q: Place the following steps of an adaptive immune response in order from first to last Place the first…

A: * when an pathogen enters our body then or will cause disease for the first time and again if the…

Q: Please explain the difference between bacteraemia and septicaemia. Can the presence of toxins, fungi…

A: Blood poisoning caused by bacteria is known as septicemia, or sepsis. It's the body's most ferocious…

Q: Why did scientists select fruit flies for his genetics experiments?

A: Drosophila melanogaster is a small common fly species that belongs to the Drosophilae family. It is…

Q: Refrigeration prevents the spoilage of food. What does this action have to do with the way that…

A: When we subject any type of eatable things or beverages in lower temperature to preserve them from…

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: 2 1. 2 2 1 1 1 2 2 1 1 2 2. 3. 2. 2.

A: Reciprocal translocation is a process of swapping segments of chromosomes between homologous…

Q: List the characteristics of fossils.

A: The following are some of the characteristics of fossilised organisms:

Q: Q.1. Describe any three assisted reproductive techniques practised to treat infertility.

A: Infertility is treated with assisted reproductive technology (ART). Fertility treatments are usually…

Q: . What is aneuploidy? Differentiate between aneuploidy and polyploid

A: Aneuploidy Aneuploids differ from standard 2n chromosome complements in single chromosomes. These…

Q: . What are the differences between a Prokaryotic and Eukaryotic cell? Be detailed.

A: Eukaryotic cells are those which contain the nucleus and other cell organelles. Eukaryotic cells are…

Q: Which of the following is the correct order of mechanism of how sugar is perceived? 1. Signal…

A: In the process of perception of sweet taste, the molecule of interest such as glucose binds to the…

Q: Proteins such as Dicer and RDE-R are involved in RNAi inactivation of target gene expression and are…

A: RNA is a molecule that plays several important roles in the cell. It functions as a messenger…

Q: What is Sex-linkage?

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

Q: CO2 dissolved in the bloodstream does what to pH?

A: Introduction CO2 is transported through the blood by three methods. It is dissolved directly in the…

Q: As a doctor, you come across patients whose bacterial illnesses are no longer responding to…

A: Tetracycline is an antibiotics that is used to treat the infections caused by the bacteria that…

Q: Examine the following karyotypes and answer the questions about each karyotype in the table below.

A: Karyotyping is the process of pairing chromosomes and ordering them on a map or in simple terms it…

Q: Question 7 Which of the following is not a theory for the process of sweetness? O a. GBX O b. AH-B О…

A: Sweet foods have always appealed to humans. Humans have loved nutritive sweeteners such as honey and…

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: In keeping with the style of Table 17-1, what would youcall organisms that are MM N OO; MM NN OO;…

A: The basic structural and functional units is usually defined as the way that they are been stated…

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: Membrane fluidity [ Choose ] depends on lipid composition, temperature, pH, and ionic strength…

A: Lets see that the statement given is authentic or false. There are 6 question in a row with…

Q: We take advantage ________ when crossing Landrace and Large White. Inbreeding depression Hybrid…

A: Landrace breed It is a breed of large white hog. It originated in Denmark. This breed has traits of…

Q: Why are antibiotics not allowed in the treatment of rotaviruses?

A: Rotavirus  Rotavirus is a double stranded RNA virus belong to the family of Reoviridae. It causes…

Q: Create a dichotomous flow chart with the result as streptococcus aureus using the provided tests and…

A: *streptococcus aureus is a Gram positive and round shaped bacterium which belongs to a member of…

Q: (a) Hip replacement surgery or total hip arthroplasty, involves removing a diseased hip joint and…

A: During hip alternative, a health practitioner eliminates the broken sections of your hip joint and…

Q: Question 18 A 38-year-old man is attending a blood drive: 245lb; hemoglobin 16.5 g/dL; received…

A: Blood transfusion is a very common phenomena in medical science but it can have disasters effects if…

Q: Cônsider the föllowing image: Rough- endoplasmic reticulum Nucleolus- Mitochondrion- Nucleus 3 μη a.…

A: Microscopy is the science, that involves the identification and characterization of any object using…

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: Which biome has a varying average temperature but low amount of precipitation? * O rainforest desert…

A: A biome is a local or global land region that is portrayed by the plants, animals and climate around…

Q: There are dozens of common variations of the c-myc gene, which are associated with different types…

A: The mRNA is produced from the DNA by the transcription process and this mRNA is used for the protein…

Q: (d) Why are omega-3 fatty acids called essential fatty acids? Provide the structure of any such…

A: The fatty acids are simplest form of lipids that contain long hydrocarbon chain. They are classified…

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: How is the chromosome region where the centromere is located called? How are chromosomes classified…

A: Introduction - A centromere is a restricted section of a chromosome that divides it into two arms (p…

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: 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 diameter of alveoli of an emphysema victim is increased twice of its initial value. Calculate…

A: Introduction Emphysema is a long-term, progressive disease of the lungs that primarily causes…

Q: What does blood typing detect? presence of antigenic substances in the blood sample presence of…

A: Blood typing is one of the very important medical techniques that are used by doctors. It helps us…

Q: Q.2. Comment on the statement, "Migration may increase or decrease the effects of selection".

A: Introduction We will comment on the statement given in the question.

Q: A particular specie of animal has a carrying capacity of K and a growth rate of r. From an initial…

A: Population refers to the number of individuals in a particular area.  When the resources are…

Q: What features do AB+ individuals share?

A: This question is based on blood group AB+ people.

Q: c. Out of two alleles, it is the one that is being suppressed by its alternative allele. d. It is…

A: Words that are being described here are terms related to genetics. Genetics is a branch of biology…

Q: uestion 3 Nhat features do AB+ individuals share? O contains N-acetylglucosamine and galactose on…

A: Blood group are named according to the type of antigen they are present with. Persons may thus have…

Q: Q.5. Which reproduction related aspects, should be taught at the school level?

A: A reproductive and child healthcare program is developed with the aim of improving maternal, infant,…