Which lineage of microorganisms is most closely related to plants? (A) Archaea B) Bacteria Viruses (D) Can't Tell E Archaea and Bacteria equally.

Q: 3. Clonal Selection Hypothesis is the most accepted theory for how mmune cells respond to specific…

A: Frank Burnet proposed the clonal selection theory in 1957. The production of antibodies during an…

Q: This important steroid hormone controls the development of male sex characteristics. Cortisone O…

A: Steroid hormones Steroid hormones are steroid molecules that behave like hormones. They are…

Q: Imagine that you could microinject cytochrome cinto the cytosol of wild-type mammalian cells and of…

A: Introduction:- Apoptosis, or "cellular suicide," is a type of programmed cell death. It differs from…

Q: Fitz was found to be a carrier for the deltaF508 mutation in cystic fibrosis (autosomal recessive).…

A: Cystic fibrosis is an inherited disease that severely affects the digestive system, lungs, as well…

Q: The human papillomavirus or HPV is the cause of ____________ in both men and women. a. chlamydia c.…

A: Introduction :-  HPV infection is spread from person to person through skin-to-skin contact. The…

Q: 3. Pathogenicity of hookworm infection.

A: Hookworm It refers to the parasitic nematode that resides in the small intestine of organisms like…

Q: What is the difference between speed and velocity? What is the difference between instantaneous…

A:

Q: 51 find the connection among the words below and choose the letter of the word which is different…

A: Introduction Stains are coloured substance which gives colour to a object to be observed under…

Q: Select all that are true regarding the rhizosphere and rhizobacteria.

A: as per our company guidelines we are supposed to answer only first 3 sub-parts. Kindly repost other…

Q: describe the principles and procedures used with CODIS for DNA -based identification

A: Codis is a database used by fbi team to find out the criminal from their stored database. This…

Q: In your own words, discuss hepatic coma.

A: INTRODUCTION Hepatic coma This is the loss of brain function due to kidney failure.

Q: In flowers, the red color is codominant with the white color If a red flower is crossed with a white…

A: Let  R - allele for red color flower r - allele for white color flower Then we have, Genotype of a…

Q: List down 3 differences and 3 similarities between the embryonic development of human & chicks

A: Introduction Embryogenesis is the process of initiating and developing an embryo from a zygote…

Q: ORGANS OF THE VERTEBRATES Integumentary System Skeletal System The Respiratory System The…

A: Organs of the vertebrates  FISHES AMPHIBIANS REPTILES  BIRDS MAMMALS  INTEGUMENTARY SYSTEM…

Q: Which is true in a patient with increased airways resistance?  1. Breathing is no more difficult…

A: The increased airway resistance can be due to the loss of elastic recoil due to changes in the lung…

Q: Please explain this Angiosperm Life Cycle

A: The flower is the reproductive part of flowering plants or angiosperms. A complete flower has four…

Q: What is an ovule?

A: Introduction:- Plant organs are external plant structures such as leaves, stems, roots, flowers,…

Q: To determine: The phenotypic ratio of offsprings produced when a woman with genotype AB Ss mates…

A: Introduction Genes are responsible for the inheritance of characteristics, it is the basic physical…

Q: To determine: The reason due to which scientists generate a mice in which two normal copies of the…

A: Introduction Genome:- The genome is the entire set of DNA instructions found in a cell, In living…

Q: What are the different layers of a fertilized T. trichiura? Discuss their respective compositions…

A: Introduction:- Trichuris trichiura (also known as Trichocephalus trichiuris) affects the human…

Q: What is the function of thyroid gland in the body ?

A: Introduction :- The thyroid gland is a tiny organ that wraps around the windpipe in the front of the…

Q: What is one ecosystem service or resource from the Andes region that humans rely on?

A: Introduction An ecosystem is any living thing that shares an environment, from plants and animals to…

Q: Mr and Mrs Connelly are planning to start a family. However, Mr Connelly is concerned that, as his…

A: Introduction Cystic fibrosis is a potentially lethal inherited disorder that affects the lungs and…

Q: Prezygotic reproductive isolation can occur O a. during embryo development b. during fetal…

A: A prezygotic reproductive barrier is a mechanism that prevents fertilization from occurring.

Q: Define the words “gene” and “chromosome” so that a person without a science background will…

A: Introduction Genetics is a branch of biology genes, genetic diversity, and heredity in living…

Q: A protein called insulin is responsible for controlling how much sugar is in our blood. When insulin…

A: Insulin is a peptide hormone secreted by the beta cells of the islet of langerhans of the pancreas.…

Q: A genotypic ratio of 2:4:2:2:4:2 is possible between a male who is heterozygous free earlobes and…

A: A trait is a characteristic feature that is unique to particular individual . A dihybrid cross is a…

Q: In adolescents, trauma sometimes separates the head of the femur from the neck. Why do you think…

A: Epiphysis These are the expanded, rounded ends of the long bones present in organisms. Its…

Q: In the early Drosophila embryo, there seems to beno requirement for the usual forms of cell–cell…

A: Introduction:- Drosophila is a fly genus that belongs to the Drosophilidae family, also known as the…

Q: What is clonal selection hypothesis and use the autoimmune response and immunological memory to…

A: Clone selection hypothesis explains that there are numerous lymphocytes in the body and each of them…

Q: To define: Equilibrium population and also describe the conditions under which a population is…

A: The combination of genetic variants and natural selection results in the emergence of new species,…

Q: Aside from nutrition, what else do organisms need that can be acquired from the environment for…

A: Introduction :- Climate, soil, and living things are examples of physical, chemical, and biotic…

Q: Using graph paper or graphing software, create a line graph showing the growth of the yeast cells…

A: ANSWER;-

Q: diagram bel gen Isola bacterial colony on a mutant library plate. By referring to ITEM #5 in the…

A: Basic Isolation Procedure Creation of Lysate. The first step in any nucleic acid purification…

Q: It is the microscopic structural and filtering unit of the kidney. A. Renal Cortex B. Loop of Henle…

A: Kidneys play an important role in removal of waste and toxic products from the body. This method of…

Q: Prezygotic reproductive isolation can occur a. during embryo development b. during fetal development…

A: Reproductive isolation Reproductive isolation is defined as the condition in which the species are…

Q: What are the limitations of BLAST (Basic Local Alignment Search Tool)?

A: Introduction Basic local alignment search tool is an algorithm and programme for comparing primary…

Q: Learning through Art: Water Molecules and Hydrogen Bonding Part A Drag the labels to their…

A: Introduction Water is an inorganic, transparent, tasteless, odourless, and nearly inert chemical…

Q: Which of the following statements are correct? explain your answers.A. An individual ribosome can…

A: Introduction :- The site of protein synthesis in the cell is the ribosome, which is an intercellular…

Q: What structures shown in the image below will be used for extracellular movement (i.e motility)?…

A: Axopodia are present in Radiolaria, they are used for collecting food particles. Axial filaments are…

Q: 3. Imagine that you inoculated 5 tubes of BGLB for each of three dilutions, and found a combination…

A: MPN  It is the estimation of number of organism group in a unite volume of sample.

Q: How can human acquire hookworm infection?

A: Hookworms are parasitic roundworms which feed on blood and present in small intestine of the host.…

Q: Describe the hallmarks of the GLUT transporter – a passive glucose transporter, and the basis behind…

A: A transmembrane glycoprotein called glucose transporter (GLUT) allows carbohydrate to cross the…

Q: dredging

A: Dredging impacts marine organisms negatively through entrainment, habitat degradation, noise,…

Q: Mr Ojomu is a 42 year male of African origin.  He has a demanding desk-based job and frequently has…

A: Mr Ojomu is a 42 year male of African origin. He has a demanding desk-based job and frequently has…

Q: 2. Compare and contrast the fascicle arrangement and the primary action of the following muscles:…

A: Introduction  Muscles are soft tissues. Many stretchy fibers make up your muscles, provides power…

Q: Identify the follow pedigrees as autosomal or sex-linked AND whether they are dominant or…

A: A pedigree chart helps to determine the inheritance pattern of a family over several generations.…

Q: Two other Labradors mate and produce puppies. Their genotypes are Bbee and BbEe.  What color are…

A: Labradors Labrador or Labrador retrievers are a breed of dogs developed in the UK from the retriever…

Q: Which of the following is/are source/s of error in performing a spectrophotometric method? Answer…

A: Spectrophotometery It refers to a technique which is helpful in identifying the solute concentration…

Q: Modified true or false.  Encode the word true if the statement is correct. If the underline word/s…

A: The Grammia incorrupta is an arctine moth. It belongs to the Erebidae family which has a good number…

Prokaryotic evolution

The term evolution means the gradual change or a transformation from a simple or primitive state to a complex or advanced state. Prokaryotic evolution is a concept that involves the evolution of the form and function of most primitive organisms (prokaryotes) through several stages and changes to form diverse life as a part of organic evolution.