The function of Th lymphocytes at the immunological synapse is to __________. View Available Hint(s) for Part A       strengthen the synapse eliminate the synapse limit the synapse remember the synapse

Q: What is the clinical deficiency presented by hemophilic people? What is the genetic cause of that de...

A: Introduction Hemophilia:- The word hemophilia derives from two Greek words: haima, meaning blood, an...

Q: explain the benefits, effects, and contributions of the five agents of evolutionary change

A: These are 1- mutation.  2- non-random mating. 3- gene flow.  4- genetic drift . 5-natural selection.

Q: Why the secretion of gut hormone in adjustable gastric banding (AGB) is mainly considered to be due ...

A: The gut hormones constitute a group of hormones secreted by entero-endocrine cells in the stomach, p...

Q: Using the information from the DNA-DNA hybridization data table below, build a phylogenetic tree tha...

A: The lines in Phylogenetic tree describe the evolutionary descent of different species, organisms, or...

Q: capilales Erythrocyte Nveolar macrophage Capilary endothalial cel

A: In animals and plants, the respiratory system is a biological system that combines specific organs a...

Q: TROUBLESHOOTING PROBLEMS CAUSE TECHNIQUES A. Paraffin is too A. Choose a sticky or too hard paraffin...

A: 1: Unparalleled block edges 2: Small flecks of the tissue are removed from blocks 3: loose knife hol...

Q: At birth, ovaries contain all the that person will make in their lifetime O Eggs Secondary oocytes P...

A: Females gametes are known as eggs. Female babies are born with all the egg cells that would last for...

Q: How did maize become a widespread crop globally?

A: Scientists have proposed two major ideas for the emergence of maize. According to the teosinte parad...

Q: You are lovely little gene which makes the actin protein (the cytoplasmic cytoskeleton protein). You...

A: Introduction: Gene is a unit of heredity. It contains the genetic information. It is made up of DNA....

Q: Cholesterol in the membranes fit between saturated (single bonded) lipids so they don't get too stic...

A: cholesterol interact with membrane ; Cholesterol moves through the body in different lipoprotein com...

Q: What are the possible gametes contributed by the parental‘s in P1 cross?. ProgenyClass. And how do I...

A: Parental class gamete are produced in the offsprings which have exactly the same allele as possessed...

Q: The advantages of Cryosurgery are There is little bleeding in the destroyed area The volume of tissu...

A: Cryosurgery:  Cryotherapy is a treatment that involves your healthcare practitioner freezing and des...

Q: platelets formed elements fibrinogen erythrocytes globulins leukocytes connective plasma fibrinogen ...

A: Blood  Blood in the fluid that transport various substance to the whole body parts.

Q: genotypes of the individuals in the chart. child who is blue-eyed. Blue eyes are mostly recessive. M...

A: The pedigree along with genotypes are attached below

Q: pu have 2 genes side by side on a chromosome, gene A and gene B. In your cell your RNAse nzyme that ...

A: The genetic information encoded in the DNA must be transmitted from one generation to the next in or...

Q: Explain why the seeds of fruit trees like durian, rambutan, and avocado could not be stored in the c...

A: Seeds are stored because of the prevention of seed dormancy. Dormant seeds are viable seeds that don...

Q: Identify the sites of lagging strand synthesis. Select all that are true. B

A: DNA replication of the double-stranded DNA occurs simultaneously at both strands. The replication oc...

Q: Question 6. You create a phylogeny of 3 species- one is a green plant, second one is a green algae a...

A: Phylogeny is the study of the evolutionary history of living things. It's a field of biology that lo...

Q: An experiment is designed that demonstrates the local vascular phenomenon of active hyperemia. Click...

A: Hyperemia  Active hyperemia is the excess of blood supply to an organ or any other part of body.

Q: In guinea pigs, the black coat (B) is dominant over the white coat (b), and straight hair (H) is dom...

A: The term heterozygous is associated with a condition in which different kinds of alleles associated ...

Q: Aside  from the ones already discussed about childbirth and blood pressure give another example of t...

A: The living organisms maintain homeostasis of there internal physiological conditions. This homeostas...

Q: What would happen if a woman took supplemental estrogen and progesterone beyond the 21st day of her ...

A: Answer :- If a woman took supplemental estrogen and progesterone beyond the 21st day of her menstrua...

Q: MRI After arousal to equilibrium, which relaxation time is longer, T1 or T2? They are independent p...

A:

Q: Population growth causes many environmental problems  Indicate some of these problems (2) What rol...

A: The rise in the number of people living in a certain area is known as population growth. Because pop...

Q: In a bird, codominance is seen in feather color. If a red bird is mated with red and white, what is ...

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

Q: The EMG is a recording of: * The action potentials of the motor nerves supplying the muscle fibers. ...

A: Introduction: Action potential is a short-lasting event in which the electrical membrane potential o...

Q: Identify the sites of lagging strand synthesis. Select all that are true. 5 O a. A O b. C O c. B O d...

A: Introduction:- The process of replicating a double-stranded DNA molecule into two identical DNA mole...

Q: The only way Na* (sodium) can cross the plasma membrane is with the sodium concentration gradient.

A: Introduction Plasma membrane:- Plasma membrane also called the cell membrane, is a part or layer of ...

Q: What can be the errors and limitations of Gel Electrophoresis practical? Explain in very much detail...

A: Errors and limitations of gel electrophoresis. 

Q: .. The difference between FF (type II, glycolytic) motor unit and S (type I) motor unit is that a S ...

A: Introduction:- When identifying muscle fibres, two factors to consider are how fast some fibres cont...

Q: D 5. Choose the letter that corresponds to the step in the process where a restriction enzyme is use...

A: The letter that corresponds to the step in the process where a restriction enzyme is used - Step A. ...

Q: Why is Charophytes located at the bottom of the Cladogram?

A: Phylogeny of plant kingdom is depicted in the given figure. The phylogeny depicts the evolutionary r...

Q: Compare the warm and cold trypsin methods in term of cell viability and cell recovery during tissue ...

A: Trypsinisation: It's a method of protein degradation or digestion with the help of the enzyme "tryps...

Q: This diagram shows a parental cell going through meiosis and producing 4 daughter cells. Which celu ...

A: The indirect process of cell division in which chromosomes of parent sales divide ones but nucleus d...

Q: Which of the following cells are pluripotent? * O a) embryonic stem cells O b) nucleosomes c) hepato...

A: Stem cells have the capability of cell division and they can produce different types of cells. Accor...

Q: Besides the XY system, are there other sex determination systems?

A: Yes, there are other sex determination systems and are described as follows.

Q: Which of the following is true of the FoF1 ATPase under normal cellular conditions? Select all that ...

A:   Introduction :  FoF1 complex present in inner mitochondrial membrane and it can create ATP.  FoF1 ...

Q: A. Directions: Write the cause of the change. Write your answers on a separate sheet of paper. Evolu...

A: Evolution is change in the inherited characters of biological population over many successive genera...

Q: What is the clinical deficiency presented by hemophilic people? What is the genetic cause of that de...

A:

Q: Aortic valve closure AV valve opening Systolic pressure Isovolumetric relaxation Isovolumetric contr...

A: The stages involved in converting deoxygenated blood to oxygenated blood in the lungs and propelling...

Q: The segment of DNA shown in the figure has restriction sites I and II, which create DNA restriction ...

A: The segment of DNA shown in the figure has restriction sites I and II, which create DNA restriction ...

Q: Which of the following statements about CRISPR-Cas9 is correct? O A. It relies on the natural proces...

A: The CRISPR cas9 is the abbreviated form of clustered Regularly Interspaced Short Palindromic Repeats...

Q: Please discuss the common infectious causes of diarrhea.

A: Introduction Diarrhea is usually caused by a virus, or sometimes, contaminated food, it is loose, wa...

Q: What is the basic functional and structural unit of organisms? * a) Nucleus b) DNA O c) Cell O d) Ge...

A: Introduction A cell is the smallest unit of a living thing, Cells are capable of performing all the ...

Q: what is meant by the term "true nucleus"

A: Introduction Nucleus:- It is a double-membraned organelle that contains the cell's chromosomes, gene...

Q: List at least five (5) significance of mitosis.

A: Introduction Mitosis:- It is the process of making new body cells, a single cell divides into two id...

Q: Restriction mapping of a linear piece of DNA reveals the following EcoRI restriction sites. EcoRI si...

A: Introduction By cleaving the internal covalent bonds between nucleotides, endonucleases breaks down ...

Q: What are bacteriophages?

A: The term bacteriophage means "bacteria eater"  since they are only viruses that infect bacteria and ...

Q: Identify the Genus of this organism.

A: Different parasites is responsible for causing different disease in human as well as in other animal...

Q: Eukaryotes and prokaryotes have either DNA genome or RNA genome True False Golgi stack is the stack ...

A: Introduction: The cell is the structural and building block of life. All living organisms in this un...