Epithelium-Mesenchyme transitions (MET or EMT) are crucial morphogenetic events occurring during gastrulation. Give at least 3 specific examples of embryonic structures that develop in this manner, and the regulatory mechanisms that govern this transition.

Q: How does the movement of ICF K+ ions down its concentration gradient affect membrane potential?

A: In a biological cell, the difference in electric potential between inside and outside is called memb...

Q: How does the function of the active site of an enzyme differ from that of an allosteric site?

A: Introduction :- The allosteric site is a molecule's ability to stimulate or inhibit (or turn off) en...

Q: My question is     Salty and sour taste molecules are transduced directly into an electrical signal ...

A: INTRODUCTION         In our oral cavity  the taste receptors cells mainly use to identify which the ...

Q: What is the difference between a complete digestive system and an incomplete digestive system? How a...

A: Animals with an inadequate digestive system have only one opening in the digestive tube (cnidarians,...

Q: Virology: Describe two differences for making genomic and messager RNAs between Polio Virus and vesi...

A: There are few important points about virus are as follows: Viruses are simple , noncellular entitie...

Q: .Hemophilia is a sex-linked recessive condition that results in deficient blood clotting. The diseas...

A: Hemophilia is a genetic bleeding disorder that happened by change or mutation in genes. In this diso...

Q: But when you cross a "Texas Beauty" yellow with the yellow variety "Jealousy," you get a 9:7 ratio o...

A: Dominant allele is an allele which shows its expression even in the heterozygous condition ;along wi...

Q: Most living organisms cannot survive at temperature above 45°C. How are some microbes able to live i...

A: Mesophile is an organism that grows best in moderate temperature, neither too hot nor too cold. Cold...

Q: Are humans influencing the process of evolution

A:  solution : Humans have direct effects on species that alter aspects of their population structure r...

Q: A man has a roan bull and a white cow. His first 5 calves turned to be 2 roans  and 3 white. Keeping...

A: The white coat color in cow occurs due to presence of homozygous recessive gene where as homozygous ...

Q: Give a comparative account of the classes of Kingdom Fungi under the following: mode of reproduction...

A: Introduction :  Kingdom Fungi contains 5 major phyla that were established according to their mode o...

Q: Where does the 5’ cap come from ?

A: 5' cap(5 prime cap) is a modified guanine nucleotide which is added to the first nucleotide (5' end)...

Q: True or False. Targeting angiogenesis and metastasis would not be useful mechanisms of cancer treatm...

A: metstasis is the spread of cancer cells from the place wherever they 1st formed to a different a par...

Q: uld be genetically transformed. The evidence that DNA was the transforming principle responsible for...

A:   INTRODUCTION           In the human body, DNA is the carrier of the genetic material. DNA is the m...

Q: Epithelium–Mesenchyme transitions (MET or EMT) are crucial morphogenetic events occurring during gas...

A: ..

Q: Use the word bank

A: 1.Microvilli are to taste receptors as cilia are two smell receptors. 2.Human have 2000 glomeruli in...

Q: Draw and label the dinucleotide AT as follows: A. 5’ and 3’ ends B. Phosphodiester bond C. N-glyc...

A: Nucleic acid is a biological macromolecules that is present inside the nucleus . There are two types...

Q: How much time would it take ATP to diffuse the following distances? (Use the equation for mean squar...

A: The diffusion coefficient D for ATP (at 25 o C) =3.54 cm2/s. The mean square displacement equation...

Q: wrist and ankle are type of Irregular bones O Long hollow bones O Cylindrical bones O Ribs O

A: ANSWER;-A) Irregular bones Explain;- Irregular bones are the type of wrist and ankle Short Bones Are...

Q: A researcher mutagenized a group of butterflies and isolated six butterflies with extra-long bodies....

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

Q: Which of the following is a sense that humans possess? Pain from cold Ultraviolet vision Magnetic...

A: A. Option A is correct because sensory neurons that project throughout our body have a set of channe...

Q: Using the figure to the right, explain the similarities and differences between the two types of pas...

A: 4. The figure in the question shows 2 types of passive transport- a) simple diffusion & b) facil...

Q: What are the general characteristics of animals in each era: Cenozoic, Mesozoic, and Paleozoic?

A: Definition with example of blood groups Parents pass on traits or characteristics, such as eye colou...

Q: What are the major characteristics of veins and arteries as blood vessels in an animal circulatory s...

A: Heart and blood vessels make up the circulatory system. The circulatory system's important job is to...

Q: Obligate aerobes, faculative anaerobes, microaerophiles, obligate anaerobes, or aerotolerants grow o...

A: *obligate aerobes are the organisms that grows only in presence of  oxygen. *These organisms by cell...

Q: Do you think the human species can continue raising its global carrying capacity? How so, or why not...

A: Is it possible for the human species to continue increasing its global carrying capacity, and should...

Q: 17.Which among the following statement is NOT TRUE about the theory of inheritance? A. The paternal ...

A: The chromosomal theory of inheritance was first proposed by Sutton and Boveri in 1902. It states mer...

Q: The endangered Amargosa River pupfish (Cyprinodon nevadensis amargosae) lives in Death Valley, where...

A: The Amargosa River pupfish is part of a pupfish species complex that lives in the ancient Lake Manly...

Q: When a homozygous plant that produces purple eggplants is crossed with a homozygous plant that produ...

A: Ans is.. 1 purple: 2violet: 1 white

Q: What is the function of NaCl in urine formation?

A: Urinary system involves in the clearing or filtering the blood and ridding of wastes that produced i...

Q: Which statement describes how carbon dioxide exits the bloodstream at its final destination?

A: Diffusion is the process which resulting from random motion of molecules by which there is a net flo...

Q: Cancer is a group of many different diseases that all are caused by... O Cells unable to exit the GO...

A: Cancer is a very complex and molecular disease that involves alternation of different molecules with...

Q: These are found in soybean oil (select all that apply).      Polyunsaturated fatty acids     Lin...

A: Soybean oil is extracted from the seeds of the Glycine max(Soybean).This oil is widely used as cooki...

Q: Smoking status is a known risk factor for lung cancer development. Researchers are conducting a case...

A:

Q: why do negative -strand RNA viruses carry an active RdRp enzyme within the virus particle ?

A: Virus These are acellular microscopic organisms, which cause infections in different organisms. Diff...

Q: Write an equation that summarizes aerobic respiration

A: Introduction :- Aerobic respiration is a set of enzyme-controlled events that allow living organisms...

Q: Regarding the process of DNA replication, it is correct to state that: a) Nucleosomes are maintaine...

A: Answer c) DNA polymerase requires a previously annealed deoxynucleotide to add the next monomer bein...

Q: What cellular organelle is the final destination of oxygen? A. Left B. Middle C. Right D. Nucleus E...

A: Correct option is G - mitochondrion is the cellular organelle is the final destination of oxygen.

Q: Why is it important to study the menstrual cycle? 2. Menstruation is a normal process in the life of...

A: Menstruation A woman's menstrual cycle or bleeding is completely normal. It happens every month that...

Q: Question:- Using the diagram: Which animal is the least related to the sea horse? Which animal is ...

A: In the given picture ;a represents the diagram of sea horse.and b represents the phylogenetic tree.P...

Q: How do plants benefit from symbiotic associations with bacteria? With fungi?

A: Microbe growing in the lab necessitates the use of specialized media. The media comprises a variety ...

Q: Menstruation

A:

Q: Make a descriptive introduction about compound microscope.

A: Microscopy means the use of microscope for studying the cells. Microscope is an indispensable instru...

Q: Rule one: Terms that end in "a", for plural add an "e". Example: vertebra (singular), (plural) verte...

A: 1-vertebrae 2-diagnoses 3-cervices 4- criteria    

Q: If a marine fish is placed in a fresh water aquarium, will the fish be able to survive? Why or why n...

A: Introduction:- If a marine fish is placed in a freshwater aquarium, fish would not be able to surviv...

Q: Where are the chemoreceptors that detect the acidity of the blood and trigger the respiratory compen...

A: CO2 raises the ph of the blood and it also penetrates rapidly into cells, causing the cells' interio...

Q: Which of the following is false regarding the bacterial chromosome?

A: Bacterial chromosomes holds all the information for the cell to survive, they are located in a Nucle...

Q: Polydactly is an autosomal dominant phenotype. In this pedigree, I-2 has one copy of the dominant al...

A: A condition in which a baby is born with one or more extra fingers is known as polydactyly. It's a p...

Q: What are the possible signs and symptoms of intestinal obstruction in the patient?

A: Intestinal obstruction It refers to the blockage that stops the passage of food or liquid through th...

Q: Match the sentence to where you would most likely find it within an article -- th results or discuss...

A: A research paper is a primary source of literature which tells us about a scientific process which h...

Dissection

Dissection is the process of cutting up the tissue of a dead or live animal or plant, to do anatomical studies and surgical treatments. The purpose of dissection is to learn more about the overall structure of organs and organ systems and thereby understand the physiology of the organism.