is Alzheimer’s disease and why is it bad ?

Q: Elephant is a keystone species.

A: Keystone species are those species that define and hold together the entire ecosystem. They are so…

Q: Question 11 Blood group BA has A and B antigens on the red blood cells with no anti-A and anti-B…

A: ANSWER;- True Explain;-  Blood group O has no antigens, however both -A,-B antibodies in the plasma,…

Q: What are the similarities and differences between retroviruses and retrotransposons? It has been…

A: Retrovirus:- Retrovirus is a group of RNA viruses which function by inserting a DNA copy of their…

Q: Blood group B has B antigen on the red blood cells with anti-A antibodies in the plasma. True False

A: Introduction:- Although there are numerous techniques for grouping blood types, the ABO system is…

Q: What would be the effects if the freshwater crocodile is removed from the ecological network?

A: Introduction An ecological network is a representation of the biotic interactions in an ecosystem,…

Q: Supposed you have two individual peas. One of the peas is a pure breed with round green seeds while…

A: The Punnett square is a type of square diagram that is used to predict the genotypes of a particular…

Q: What is the role of B and T memory cells?

A: B and T cells together becomes memory cells.

Q: Choose the correct answers. Q1: It is a practice of making hypotheses about taxonomic…

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

Q: The feature of cells in epithelial sheets that prevents mixing of the apical and basolateral…

A: Epithelial is the type of tissue that forms a covering on all internal and external surfaces of…

Q: While touring a saltwater aquarium, suppose you see a stripedbass, a hammerhead shark, an octopus, a…

A: Respiratory pigments are biomolecules that increase the oxygen-carrying capacity of the blood.…

Q: Question 4 The normal fasting blood glucose range is 80-115 mg/dL. True O False

A: Introduction :- Blood sugar, often known as glucose, is the most common sugar found in the body. It…

Q: Location/enzyme DNA Process RNA polymerase Transcription RNA transcript Ribosome Protein Translation

A: Nucleus is a main controller of the cell which carriers genetic instructions . It consists of…

Q: How is RNAPol recruited to the correct place along the DNA to begin transcription at the +1 site?

A: Site of DNA where first nucleotide is transcribed is termed as +1 or initiation site.

Q: how many tetrads are present in a primary spermatocyte undergoing synapsis? a. 23 b. 44 c. 22

A: Meiosis division is a kind of cell division that results in the formation of haploid sex…

Q: Compare the nucleotide-pair sequences of genomic DNA clones and CDNA clones of specific genes of…

A: The main difference between genomic DNA and cDNA is that cDNA represents the transcriptome of a…

Q: Describe the common mode of reproduction in Angiosperms

A: The reproductive parts of a flower are represented by the stamens and pistils. It is made up of a…

Q: Give an example of respiratory alkalosis and one of metabolicacidosis. In each case, explain how…

A: Acid-base balance is the homeostatic regulation of the pH of extracellular fluid. The maintenance of…

Q: Using the 5 major steps, make or create your own flow diagram of the genetic engineering process…

A: Flow diagram of genetic engineering process.

Q: Which of the following is not true of natural selection?(a) natural selection acts to preserve…

A: Natural selection is based on the evolutionary changes that occur within populations as a result of…

Q: Racoons have rings around their tails and a habit of washing their food in water before eating it.…

A: * Given that  Wide bands on tails are BB  Medium bands on tails are Bb  Narrow bands are bb  *Wash…

Q: 9. Two varieties of pumpkin with different weights were crossed: 5 lb. and 29 Ib. 3/195 of the F2…

A: Solution Lowest weight = 5 lb Highest weight = 29 lb Weight difference = 24 lb 3/768 = 1/256 Four…

Q: What do you think accounts forthe variation in per capita ecological footprints among societies?Do…

A: The Ecological Footprint quantifies the amount of biologically productive land and sea area occupied…

Q: Given below is an experimental setup to demonstrate a particular tropic movement in germinating…

A: (i) 1 – Radicle  2 – Plumule

Q: Animals breathe in oxygen. What is this atmospheric oxygen used for in the human body? (Give the…

A: The process of breathing, i.e. the inhalation of oxygen and the exhalation of carbon dioxide, is…

Q: how human activities can cause an imbalance in biogeochemical cycling?Give atleast three examples.

A: * Biogeochemical cycle is the pathway which chemical substance cycles turns around the earth it may…

Q: Are the healthcare concerns, infections, and nosocomial infections discussed for genera…

A: Many studies have demonstrated that nosocomial S. aureus infection, particularly bloodstream…

Q: Part I: Study the diagrams below, which show carbohydrate molecules. Beside each molecule, write…

A: Maltose is a sugar that is comprised of two glucose units that have been bonded together. It is…

Q: N-glycosyltransferase attaches which sugar to the base oligosaccharide to synthesize the A antigen?…

A: A set up three, four or more alleles which have arise in as a result of mutation of the normal gene…

Q: Our nerve impulse travels from one neuron to the next in the form of. a. chemical signal b.…

A: Neuron  Neuron are the functional fundamental unite of peripheral and central nervous system.

Q: Virology: What is the Baltimore classification of Influenza Viruses and what does this mean ?

A: Answer

Q: What are ferns? Describe its salient features.

A: Introduction Ferns:- The ferns are also referred to as Polypodiophyta, The word “Pteridophytes”…

Q: Discuss the reason why sperm is harvested from cauda epididymis for sperm cryopreservation

A: Sexual reproduction refers to the form of reproduction that occurs through the union of male and…

Q: List some applications of DNA fingerprinting.

A: The DNA of every human on the planets is 99.9% the same. However 0.1 percentage of the DNA is unique…

Q: 1. Which of the following pairs share 50% of their genes? Any two siblings A pair of dyzogotic twins…

A: The gene is the basic unit that determines the inheritance pattern of an individual. They are made…

Q: What possible solutions can be used to address the problem of freshwater crocodiles became…

A: The Freshwater Crocodile is slender-snouted and smaller in size. They are grey to tan-brown in…

Q: In phenotypic ratio is it okay to write 4 because the phenotype is AB (AB, AB, AB, AB)? or it…

A: The alleles are the alternative forms of a gene that are located on the same locus of a homologous…

Q: What characteristic is considered as plesiomorphic? Explain your answer.

A: Introduction Plesiomorphy:- An ancestral or evolutionary trait that is shared by some or all members…

Q: Correct and rewrite the statement by changing the biological term that is underlined for each…

A: (i) Jean Baptiste de Lamark proposed the Acquired Characters Inheritance Theory.

Q: what would happen to the gene frequencies during this following scenarios? a. complete selection…

A: Changes in the gene frequencies :-

Q: Insects are ectothermic and the respiratory rate is usually proportional to the temperature of the…

A: Anatomy, which reveals that evolutionary ties may be proven through homologous structures, and…

Q: roduces global ischemia of the brain, can result in a selective loss of recent memory and cognitive…

A: In cardiac arrest, memory may be lost but breathing occurs. The reason discussed in details in step…

Q: Question:- The proton motive force generated in mitochondrial electron transport is NOT used for…

A: The correct option is  A. Transport of ATP into the cytosol from the matrix

Q: A dollar value for the cotton crop.

A: Eli Whitney invented the cotton gin to accelerate the process of extracting seeds from cotton, which…

Q: Virology:What class of fusion protein does the influenza virus have ? Name one characteristic of…

A: Influenza virus have the following fusion protein. :Hemagglutinin This is a Class I protein and the…

Q: list the functiond of the mandibles, maxillae, and maxillipeds in crayfish

A:

Q: The "high energy electrons" used in the electron transport chain (ETC) of cellular respiration come…

A:

Q: Premature-birth Risk Found Higher for Teens (reported in the Sacramento Bee, April 27, 1995, p. A7)…

A: Relative risk is defined as the comparative analysis of risks among two groups, namely the…

Q: What are some of the advantages and disadvantages of utilizing insects as experimental animals in…

A: Insects are one of most commonly used experimental model which helps in various ways in clinical and…

Q: Imagine that the digestion of a meal has just provided a newsupply of glucose and amino acids in…

A: Introduction Digestion is the process of breaking down large insoluble food molecules into smaller…

Q: sequences of peptides tha" of trypsin? eptadecapeptide Cortistau

A: