How are the specific cell types patterned correctly? How does the flatwormtell the posterior blastema to become tail and the anterior blastema to become head?

Q: A bacterium synthesizes DNA at each replication fork at a rate of 1000 nucleotides per second. If th...

A: Introduction :- During DNA replication, the replication fork is a structure that arises within the l...

Q: Differential stains function to

A: The widely used staining method in the microbiology is the differential staining that are gram stain...

Q: What is the mRNA coded by this template DNA strand? DNA Template Strand: 3' ATGGTACGGTCG 5' O5' TACC...

A: Transcription Through the process of transcription, the sequence of DNA gets transformed into the se...

Q: Arcanobacterium haemolyticum may cause pharyngitis or cutaneous infections. It grows as a tiny colon...

A:

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: Enhancers are sequences that affect the initiation of the transcription of genes that are hundreds o...

A: Regulatory sequences are associated with genes and regulate the level of their expression.  

Q: Actinomycetes are thin, beaded, branching, positive rods that are aerobic. Nocardia spp. and Strepto...

A: **As per our guideline, we are supposed to answer only one question at a time. Please resubmit the o...

Q: Summarize the different types of processing that can take place in pre- mRNA.

A: Ribosomal and transfer RNAs are processed in both prokaryotes and eukaryotes. The processing of mess...

Q: Color-blindness is a sex-linked trait. A boy, whose parents and grandparents had normal vision, is ...

A: Color blindness is a sex-linked trait which implies that the trait is inherited on X-chromosomes. 

Q: Some animals fall between endothermic and ectothermic. a) What is this thermoregulation category cal...

A: Thermoregulation is the ability of body to keep the temperature under certain limits. 

Q: True or False 1. There can be a quantitative determination of the degree of supercoiling in a DNA sa...

A: According to our guideline we can answer only the first three subparts of a question. So, upload res...

Q: are part of the adaptive immune system and able to establish immunological and memory. These mark pa...

A: Immune response is defined as the process through which the body's immune cells recognise invading p...

Q: study and analyze the following pictures of differnt animals below. then give the reason why these a...

A: Out of 510 million sq. km. of the earth's surface, less than 30% is covered by land. The rest is cov...

Q: What is the concept of nutrient solution in plant physiology?

A: The plants are the only autotrophs in the world. The harness the light energy of the sun and convert...

Q: How does T cell activation differ from B cell activation?

A: Introduction :- T cells are one of the immune system's most essential white blood cells, and they pl...

Q: 1. Describe the basics of flow cytometry. How is this technology used to sort cells?

A: Bioinstrumentation, also known as biomedical instrumentation, is a branch of biomedical engineering ...

Q: 28. What happens to the 6 carbons of the glucose molecule in alcohol fermentation? A. a 3-C pyruvate...

A: The process in which incomplete oxidation of respiratory substrate occurs in absence of Oxygen and i...

Q: Briefly describe Mendel’s rule of inheritance: segregation and independent assortment

A: Mendel proposed laws of inheritance namely law of segregation and laws of independent assortment by ...

Q: 3. A more complete definition of fitness is the ability to survive and produce offspring who can als...

A: Introduction :- The ability of a species to reproduce in its environment is referred to as evolution...

Q: You do a testcross to map three genes, Ph, T, and Qc. In the table below, you will find the number o...

A: Chromosomal maps / genetic maps are the map which determines the distance between the two genes .  A...

Q: List two major types of forensic science laboratories and explain the reasons for their existance? ...

A: 6 ans... A.. DNA fingerprinting forensic science laboratory.. this is very modern technology used fo...

Q: What characteristics are most commonly found in rho-independent terminators?

A: Transcription is terminated in bacteria by two mechanisms: intrinsic (Rho-independent) termination a...

Q: components of phloem work together

A:

Q: If the animal reproduces, the probability of each offspring inheriting an A allele is 0.5. But what ...

A: Inheritance as a phenomenon occurs due to reproductive capabilities of livings organisms whether uni...

Q: Define malignant

A: Haematology is a branch of medicine that concerns physiology, pathology, diagnosis, treatment and ae...

Q: (6a) Please draw a phylogeny that shows relationships between the following groups: Haikouicthys O...

A: Phylogeny is a mechanism to identify the relationship or arrangement of organisms according to their...

Q: Find a genetically modified organism of interest. What organism is the origin of the coding sequence...

A: GMO stands for the genetically modified organism, a type of life form whose genome has been altered ...

Q: 2. a. In the following diagram of a portion of a protein, label the types of interactions that are s...

A: The complete structure of protein can be described at four different levels of complexity -  Primar...

Q: What fundamental traits did Linnaeus use to separate plants from animals? 2. Why did scientists pla...

A: Carolus Linnaeus classified plant and animal on the basis of following traits: 1) Cell wall: He clas...

Q: Name an example of an ectotherm living a homeothermic life

A: The ectotherm living a homeothermic life examples- fishes, amphibians, reptiles etc.

Q: You have a friend who would like to improve her oxygen caring ability of her blood and is considerin...

A: INTRODUCTION Blood doping Blood doping is a process by which the number of RBCs in the blood is incr...

Q: In your own words, Elucidate the potential reasons why there were changes in  the bone structure of...

A: Vertebrate column This includes the spinal cord and the fluid surrounding the spinal cord. It is com...

Q: Which is NOT true about human stomachs? Group of answer choices stomach acid helps kill germs stomac...

A: The digestion of proteins begins in the stomach and is completed in the small intestine. The digesti...

Q: What parts of DNA make up a transcription unit? Draw a typical bacterial transcription unit and iden...

A: Introduction Deoxyribonucleic acid is a molecule made up of two polynucleotide chains that coil arou...

Q: Retrograde amnesia results when consolidation is speeded up. T or F?

A: The term amnesia is associated with the memory loss. The memory loss can occur partially or complete...

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: Explain the roles of presynaptic inhibition and of facilitation

A: Nerve cells work together in clusters to affect each other's functions. The benefit of presynaptic f...

Q: What are genes?

A: Countless billions and trillions of cells make up the human body. Cells are a term to state that the...

Q: How do the elements in phloem such as sieve tubes, companion cells, phloem fibres and phloem parench...

A: introduction:-Tissues are collections of cells that have a similar structure and work together to fu...

Q: Find 5 statements that Doug told Mary that are CORRECT.

A: In this scenario based on light microscopy. How to detect a specimen image through compund light mic...

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: Why is it useful to stain chromosomes?

A: Chromosomes emerge as thread-like structures inside the nucleus during cell division. Deoxyribonucle...

Q: RNA polymerases carry out transcription much more slowly than DNA polymerases carry out replication....

A: The process of producing two daughter strands, each containing half of the original DNA double helix...

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: Disease name: Chronic myelogenous leukemia (CML) 1. Outline the processes of the best DNA technology...

A: Chronic Myeloid Leukaemia (CML) is clonal myeloproliferative disease that develops when a single, pl...

Q: Explain how vertebrate evolution was led by cephalization, jaw development, and paired limbs. To fur...

A: The evolution of jaws has had a substantial impact on the evolution of vertebrate history. There is ...

Q: A geneticist isolates a gene that contains eight exons. He then isolates the mature mRNA produced by...

A: Oncogenic RNA viruses produce double-stranded polynucleic acids with one strand of DNA and the other...

Q: Describe post transcriptional processing of RAN eukaryotes

A: Post transcriptional modification it is the process by which pre m RNA go through several step of ed...

Q: what selective factors can account for the loss of pigmentation?

A: A few pigments found in our bodies, such as carotene, melanin, and hemoglobin, influence the color o...