An RNA that functions as an enzyme is a ________ .a. protein c. ribosomeb. protocell d. ribozyme

Q: Please draw the diagram and explain. An organism with a diploid number of 6 reproduces sexually and ...

A: The term meiosis is associated with a form of cell division that results in the formation of four da...

Q: What is the theorized origin of these organelles and what is the name of the Scientific Theory that ...

A: Chloroplast are the site of photosynthesis in green plants. It consists of three layers which are ou...

Q: A drug forms a channel in the thylakoid membrane. Given this scenario, which of the following statem...

A: We know that Plastids is semi autonomous organelles that is present in plant cells . Chloroplast is ...

Q: Describe and give example of Gametic on Adaptation and Speciation

A: Gametic Speciation:- Gametic isolation is a type of pre zygotic barrier where the gametes( egg and s...

Q: Why fungi are requiring to be saprophytic or parasitic

A: Answer

Q: What is the advantage and disadvantage of gene repression in development and What does it mean when ...

A: Introduction Enhancers are small regulatory regions of accessible DNA that help in the establishment...

Q: -What are bacteriophages?

A: Bacteriophages are viruses that are specifically designed to parasitize bacteria. They are employed ...

Q: What roles do water and air play in the life of the invertebrate, entamoeba histolytica

A: The term invertebrates refers to animals that lack a backbone. Sponge, starfish, snails, crabs, inse...

Q: Actin filaments have a defined polarity. What is filament polarity? How is it generated at the subun...

A: Introduction:- Actin filaments play a variety of roles in the cell. For one thing, they act as track...

Q: When a visual pigment absorbs photons of light, it changes its molecular shape and at the same time ...

A: Introduction: Rhodopsin is the pigment present in the retina of an eye.Iodopsin is the photosensitiv...

Q: 56. Environmental alterations of phenotype A. Phenotype B. Phenocopies C. Genotype D. None

A: Answer :- Option (A) is correct. - Phenotype.

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: Use the logistic equation to estimate population size two generations (Nt+2) after a population was ...

A: Introduction: A population is all the organisms of the same group or species, which live in a partic...

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: Diagram and describe what is responsible for the fact that different globular polypeptides have diff...

A: First we will talk about what is polypeptide chain is so it is a series of amino acids that is join ...

Q: an isotonic concentric contraction, muscle length shortens muscle tension exceeds the force of the l...

A: Concentric and eccentric isotonic contractions are the two forms of isotonic contractions. The muscl...

Q: Methyl groups added to cytosine bases on DNA.. O Increase transcription of the methylated genes. O D...

A: Introduction Deoxyribonucleic acid (DNA) is a polymer made up of two polynucleotide chains that coil...

Q: The action potential is split into 4 parts (A-D). For each part, 1. Describe what stimulated the cha...

A: The term "Action Potential" refers to a quick brief rise in Membrane potential (Negative to positive...

Q: How do genetic drift and geneflow cause evolution? Give an examples.

A: Over repeated generations, evolution is explained by variation in the heritable traits of natural po...

Q: do each strand of DNA have equal number of phosphate group

A:

Q: Which of the following has an incorrect association?   a. Plasma- water, nutrients and wastes   b. W...

A: A human body is a synchronized coordination of a number of physiological process. These physiologica...

Q: Answer the following questions and explain your answers. 1. If the steps involving yeast inoculatio...

A: Microbiology is one of the branches of science and is involved in the study of microorganisms presen...

Q: The condition phenylketonuria is caused by a recessive allele. There are two carriers who have proge...

A: Phenylketonuria (PKU) It is an autosomal recessive condition that causes mental impairment owing to...

Q: List all the ways chimpanzees use tools in the film Among the Wild Chimpanzees. Thinking forward to ...

A: Introduction: The characteristic feature of Apes; Tail absent, Erect posture Grasping hands, larger ...

Q: If you had a mixed culture that contained a Gram-negative enteric bacterium and Gram-positive haloph...

A:   MSA or mannitol sale agar used in microbiology. It encourages growth of some group of bacteria whi...

Q: What is the difference between the terms infection and disease?   Disease refers to the invasion of ...

A: Pathogens are the harmful microbes that causes disease in the body. 

Q: 25-33. Given the following traits for the skin color, answer the following questions Black skin = 22...

A: Cross between two heterozygous parents: Parents:    Zz    x    Zz Offspring:    Z z Z ZZ (blac...

Q: Which letter corresponds to the kinocilium? D' 100% 29°F

A: Introduction: Organ of Corti is located in middle cochlear canal in the inner ear. It has hair-like ...

Q: Chose an example of how a microbe uses a specific macromolecule and present it to your peers . Inclu...

A: Microbes often use different macromolecules. Details on how it obtains macromolecules with proper ex...

Q: the example below, a segment of DNA is represented. Three possible PstI restriction sites exist. The...

A: Introduction Deoxyribonucleic acid (DNA) is a polymer made up of two polynucleotide chains that coil...

Q: fishes, amphibians, nonavian reptiles, birds, and mammals important to humans? How are they importan...

A: An ecosystem is a geographic area where plants, animals, and other organisms, as well as weather and...

Q: What roles do water and air play in the life of the invertebrate, leishmania donovani?

A: The interaction between biotic and abiotic components makes our environment. Abiotic components like...

Q: Coronavirus

A: coronaviruses  are a large family of viruses that cause illness ranging from the common cold to more...

Q: Environmental factors can influence the survival rate of the organism in a population. Name at least...

A: Survival rate of individual in a population is the percentage of people who are alive and are fit en...

Q: Solve for the genetic problems below. One point each for: a. genotype of the parents b. Punnett squa...

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

Q: What are the main human diseases caused by fungi?

A: Infections with fungi are responsible for the following human diseases: coccidioidomycosis, histopla...

Q: 47. True of mitosis except: A. is the process by which a eukaryotic cell separates the chromosomes i...

A: Mitosis is the complete process of separation of nucleus as well as cytoplasm and other cell organel...

Q: Motor proteins are often described as mechanoenzymes. Why? Could this same term be applied to virtua...

A: Motor Proteins:  Motor proteins are a type of molecular motor that may travel through the cytoplasm ...

Q: Which of the following proteins are part of the first line of defense against microbial invasion?   ...

A: The immune system in our body is responsible for providing protection against pathogenic microorgani...

Q: Please describe the organism, protozoa (Giardia lamblia).

A: Introduction: Protozoans are single-celled eukaryotes which are either free-living or parasitic in n...

Q: Explain why improvement seen in diabetes in some type of bariatric surgery is independent of weight ...

A: Bariatric surgery or weight loss surgery is a surgery done in digestive system to promote weight los...

Q: Dr. Trapper gave Caleb a hug and he felt very hot. A quick check with the thermometer demonstrated h...

A: Answer 

Q: 31. Explain the proper positioning of animals for the various radiographic techniques listed below: ...

A: Our passion for our patients is what drives our need to be thorough and proficient in our work as ve...

Q: fluorogenic methods that can be used in detecting coliforms and E.coli

A:

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

A:  Cell division is a phenomenon takes place inside the cell in which parent cell undergo splitting pr...

Q: Which of the following factors can help to increase contractile force? small load large muscle fiber...

A: Introduction Muscle contraction is defined as the tightening, shortening, or lengthening of muscles ...

Q: Methyl groups added to cytosine bases on DNA... Increase transcription of the methylated genes. Decr...

A: Transcription is the process in which the DNA contained in the body of an individual is converted in...

Q: b. Using a thin line, graph the relative amount of DNA per nucleus using the LEFT Y axis (G1, S and ...

A: Mitosis is a process of cell division that results in two daughter cells that are genetically identi...

Q: 1. Assume that a cell is 2n=2 (diploid has two chromosomes, the same size). DRAW the following stage...

A: According to Bartleby's policy, I have to answer only the first question only. Please post the rest ...

Q: Distinguish among inducible, repressible, and constitutive genes.

A: A gene is a fundamental unit of heredity in biology, consisting of a sequence of nucleotides in DNA ...

Animal Diversity

Nematodes are commonly known as roundworms. They are free-living, very tiny organisms. They have an elongated and tubular body. These organisms have a nervous system and are mostly act as parasites to both animals and plants.

Platyhelminthes

Platyhelminthes are also known as "flatworms" because as they are dorsoventrally flattened from head to tail. They are invertebrate, soft-bodied, acoelomate, unsegmented and have bilateral symmetry.