Human Testis 1. pointed spermatogenic cell? 2. cell origin of #1? 3. cell derivative of #1? 4. cell division undergone by #1? 5. distinguishing characteristic of #1?

Q: Severity risk and quality margins are one in the same; both of them are common in medical care and e...

A: b. True is the correct answer because severity risk and quality margins are one in the same; both of...

Q: Which is the dominant form of DNA found in the cell? (A z BA с) н D) B

A: The self-replicating biomolecules, that are present in the chromosomes and carries genetic informati...

Q: Artefacts seen in virtual slides of given data below. Microscopy not radiology.

A: Answer: Virtual slides Description of Artefact Kidney, human The twinkling artifact Small int...

Q: How is the poly(A) tail added to pre-mRNA? What is the purpose of the poly(A) tail?

A: Translation termination occurs when prokaryotic cell recognizes nonsense codon which includes UAA, U...

Q: True OR False. During interphase, the chromosomes are tightly bound and visible under a light micros...

A: In interphase  chromatin is in relaxed state and appears loosely distributed throughout the nucleus....

Q: After _____ are absorbed by intestine cells, they go into lymph vessels rather than blood. A. minera...

A: ANSWER :LIPIDS

Q: Detection of external signals by plant cells often results in a transient rise in the concentration ...

A: Calcium is an important nutrient for plants. It is a component of cell walls and membranes, contribu...

Q: Discuss the significance of Pasteur's fermentation and pasteurization techniques to our world today?

A: Louis Pasteur was not known as father of microbiology but his contribution in the field of microbiol...

Q: eunique stem-loop structures of the transfer RNA helps the RNA perform its function of joining ribos...

A:  Unique stem-loop structure, also known as hairpin loop. This is a type of secondary structures of R...

Q: n't we predict changes in genes

A:

Q: Exposure to______ can trigger seed germination. a. light c. smoke b. cold d. all can be triggers

A: Seed germination is the process in which dormant embryo of seed resumes metabolic activities and gro...

Q: Define regeneration

A: The act of renewing, rebuilding, and expanding tissues to make genomes, cells, organisms, and ecosys...

Q: The pair of cats produce in their first litter together the following kittens:    3 tortoiseshell sh...

A: In genetics the genes are the hereditary unit of life. The genes performs the inheritance functions ...

Q: Draw an RNA nucleotide and a DNA nucleotide, highlighting the differences. How is the structure of R...

A: Introduction: All living organisms are made out of nucleic acids. Linear chains of monomeric nucleot...

Q: he water potential of the egg is -5 bars. Predict the water potential of the salt water .

A: Water potential is defined as a measure of the potential energy of water.  It also determines the po...

Q: The supercoiled DNA can either be positively or negatively supercoiled. A True B False

A: The DNA double helix wraps around a nucleosome, forming a supercoil. One turn of a Solenoid is made ...

Q: Which of the following CANNOT be classified as "connective tissue proper"? A Dense regular connectiv...

A: Q. Which of the following CANNOT be classified as "connective tissue proper"? Answer - Mucous connec...

Q: The FDA finds that chickens across the US are infected with a new type of bird-flu. They determine t...

A: INTRODUCTION Avian influenza This strains of influenza virus primarily affect the birds. It can affe...

Q: Write the consensus sequence for the following set of nucleotide sequences. AGGAGTT AGCTATT TGCAATA ...

A: A nucleic acid sequence is a group of five letters that indicates the sequence of nucleotides genera...

Q: ow is rhizotron used in plant physiology?

A: Rhizotron : It is a technique which is constructed in the laboratory . It is used to study the soil ...

Q: 7. Why should the microscope be calibrated for each objective and prior to each use? 8. When carryi...

A: A microscope is a scientific tool that is used to study items which are too tiny for the unaided eye...

Q: Question 6 The helical turns of the DNA does not only provide spaces for binding with regulatory pro...

A: Introduction: RNA and DNA are the two types of nucleic acids. The nucleic acid serves as a repositor...

Q: À transmembrane protein was synthesized in the orientation shown below (N amino- and C = carboxy- te...

A:

Q: 2. How does the fatty acids concentration changes in the blood during prolonged fasting? To answer t...

A: Fatty acid metabolism occurs during the state of prolonged fasting that yields maximum energy and al...

Q: what is the purpose of filling an API rapid 20E incubation tray with water

A: The goal of this study was to see how well the API 20E and API Rapid NFT systems worked for identify...

Q: Because genetic engineering involves the modification of an organism's set of instructions, it has c...

A: * Genetic engineering means it is the process of using rDNA technology to alter the genes of organis...

Q: 2

A: Cartilage is a connective tissue formed of chondrocytes and fibres (yellow elastic or collagen) cont...

Q: Define homeostasis and explain its significance.

A: Introduction: Homeostasis is the tendency to resist change in order to maintain a stable and constan...

Q: Which tube could be thought of as an artificial mouth? Test Tube: 1. potato chips  2. glucose  3...

A: ANSWER;- saliva + potato chips  Explain;- A percutaneous endoscopic gastrostomy (PEG) is a technique...

Q: Question 12 Which is the dominant form of DNA found in the cell? A z в) А с) н D

A: DNA refers to deoxyribonucleic acid and RNA refers to ribonucleic acid. DNA function send transferri...

Q: he reason why vascular tissue is considered a comple

A:

Q: It’s sometimes said that the reason an animal does something is that it’s “for the good of the speci...

A: Natural selection is a selective force acting against an organism to reproduce and survive because t...

Q: What is the difference between competitive exclusion and resource partitioning?

A: Competitive exclusion is an ecological generalization that asserts that two species cannot coexist f...

Q: 1. What is/are the effect/s of the burning of Amazon (2020) and Australian (2019-2020) rainforests i...

A: A rain forest can be described as a tall, dense jungle. The climate of rain forest is very hot and h...

Q: The microorganisms responsible for symbiotically fixing nitrogen in the nodules on the roots of legu...

A: Leguminous plants use nitrogen fixing bacteria, especially the rhizobia bacteria. The Rhizobia bacte...

Q: How would the deletion of the Shine–Dalgarno sequence affect a bacterial mRNA?

A: Introduction :- In bacterial and archaeal messenger RNA, the Shine–Dalgarno (SD) sequence is a ribos...

Q: List at least five properties that DNA polymerases and RNA polymerases have in common. List at least...

A: Polymerases are the enzymes that catalyze the polymerization of monomers into a polymer.  

Q: Which special set of enzymes in bacteria can address concerns on supercoiling when the DNA performs ...

A: During replication and translation, when there is unwinding of the DNA helix, it introduces supercoi...

Q: Choose ONE non-genetically modified organism (non-GMO) from the the given pictures below and modify ...

A: Introduction  Any organism whose hereditary material has been changed through hereditary designing m...

Q: Explain in your own words the "Theory of Use and Disuse" by Jean Baptist Lamarck. Cite an example. P...

A: Jean Baptiste Pierre Antoine de Monet Lamarck (1744- 1829) was a French naturalist, well known for h...

Q: The filtrate is dilute at the start and end of the loop of Henle. What, then, is the function of the...

A: Introduction: The bladder, ureters, kidneys, and urethra makes up the renal system. This system is n...

Q: The Watson and Crick model of DNA structure shows the following EXCEPT A the turn of the DNA helix r...

A: Watson and Crick proposed a specific DNA structure called the 3-dimensional DNA. DNA is comprised of...

Q: Which class of RNA is correctly paired with its function? a. Small nuclear RNA (snRNA): processes rR...

A: The major function of snRNA is to process the hnRNA which is also known as pre-messenger RNA.  The f...

Q: In the example of the grey heron population in the UK, what factor was responsible for the limit on ...

A: The grey Heron is a long legged wading bird of the heron family, native throughout temperate Europe ...

Q: Elaborate why is vascular tissue a complex tissue

A: Introduction :- The vascular bundles are made up of xylem and phloem. The xylem transports water and...

Q: Question 15 The following statements best describes the RNA structure EXCEPT A it is usually single ...

A: RNA (ribonucleic acid) is a molecule which is a polymer of nucleotides. Unlike DNA which is double s...

Q: How are detergent molecules similar to phospholipid molecules in plasma membranes? Explain the mech...

A: Introduction:  Phospholipids are the class of lipids that are a major component of all cell membrane...

Q: One of the major questions of regeneration is whether the cells keep a “memory” of what they had bee...

A: Muscles are specialised bodily parts that allow animals to move or locomote. Muscle tissues make up ...

Q: Explain how cephalization, jaw development, and paired limbs guided vertebrate evolution.

A: * Cephalization is the concentration of sense organs and nervous control in anterior part of the bod...

Q: The rocks and sediments in a gizzard that break apart food mechanically play a role similar to what ...

A: Animals have evolved different types of digestive systems to aid in the digestion of the different f...

Violence

Violence is defined as a physical act that causes or is intended to cause harm. Violence can cause physical, emotional, or both types of harm. Violence is defined by the World Health Organization as the intended use of physical force and power that causes threat or harm against oneself, another person, or against a community or group, and has the potential to cause damage, death, mental distress, maldevelopment, or poverty.