What results from the spiral cleavage of mollusks?

Q: How Lactose Metabolism in E. coli Is Regulated ?

A: Escherichia coli can be referred to as bacterium comprising a set of genes that can play an importan...

Q: Explain the types of Calcium oxalate crystals with drawing?

A: More than 200 higher plant groups, comprising gymnosperms and angiosperms, include calcium oxalate c...

Q: Write the advantages and disadvantages of applying such application in the DNA of an organism. 2. D...

A: According to the question, we have to write down the advantages and disadvantages of applying such a...

Q: Giving details diagram the process of tetrasporic megagametogenesis. Give full details

A: INTRODUCTION      It is a process of maturing female gametophyte in plant production. In the female ...

Q: 13. The variable an experiment where no manipulation is done to it. 14. This species concept focuses...

A: Eukaryotic organisms  The organism that have membrane enclosed organelles.

Q: Which of these is a correct statement about energy-yielding pathways in bacteria? O Anaerobic respir...

A: All pathogens are heterotrophic bacteria that acquire energy from the oxidation of organic molecules...

Q: Determine the host and location of the following: A. Entamoeba hartmanni B. Entamoeba coli C. Entamo...

A: Different varieties of amoeba are found in different habitats.  Out of these some varieties are path...

Q: The size of the deleted chromosomal piece a. is correlated with cytoplasmic streaming only O b.deter...

A: Deletion is a genetic aberration in which a part of chromosome or a DNA sequence  is removed during ...

Q: What are gratuitous inducers ? Explain importance of gratuitous inducers ?

A: An inducer is a molecule that regulates gene expression in molecular biology. An inducer can be used...

Q: Much of the dopamine in the brain is produced in the: O hypothalamus. O reticular formation. O basal...

A: Neurotransmitters are messenger molecules of the central nervous system. They are responsible for th...

Q: a medical study, patients are classified in 8 ways according to whether they have blood type AB+, AB...

A:

Q: Adaptive radiations can be a direct consequence of three of the following four factors. Select the f...

A: Introduction Adaptive radiation is a force in which organisms rapidly develop from an ancestral spec...

Q: Define the Regulation of gene expression in bacteria ?

A: All the cells contain genes in them. Genes carry the information on hereditary material. Genes are p...

Q: Describe the characteristics of a heritable molecule. Why is DNA a good heritable molecule?

A: Given: The characteristics of a heritable molecule DNA.The DNA is a molecule that encodes the geneti...

Q: In the U.S., which of the following drugs is most commonly used? nicotine cannabis O alcohol O cocai...

A: Cannabis.option (b)

Q: Activity 2: Enzyme Structure 1. Use the following terms to label the diagram below: Prodect Substrat...

A: Several metabolic pathways exist in the human body. Each pathway enables catalysis of the chemical p...

Q: Write a short essay contrasting how the concepts may differ betweenbacteria and eukaryotes ?

A: In biology, a cell is a membrane-bound unit that has the basic molecules of life and is made up of w...

Q: 4. In pea plants, the round shape (R) is dominant over wrinkled shape (r) for seed shape and tall (T...

A: Mendel who proposed principles of mendelian inheritance

Q: Which lobe of the cerebral cortex is the center for impulse control (the brain's "stop sign")? parie...

A: As the nervous system is one of the most important system present in the body;which are able to main...

Q: Below is a primary sequence alignment between the wild-type hemoglobin protein, and the hemoglobin m...

A: Hemoglobin can be described as a pigmented protein that forms a component of the red blood cells or ...

Q: Soil could be deficient in any of the following nutrients. If you had to supply one of these to the...

A: Plants require nutrients to grow and soil is the major source of nutrients.There are 17 essential nu...

Q: In Neurospora, the mutant stp exhibits erratic stop-andstart growth. The mutant site is known to be ...

A: mtDNA stands for mitochondrial DNA. If an stp strain is used as the female parent in a cross  with a...

Q: How do human activities negatively affect biodiversity? Cho A introducing invasive species

A: The three human activities negatively affect biodiversity that apply -   introducing invasive speci...

Q: Which 2 of the following is NOT associated with one of the 4 major macronutrients? * Oils Water Vita...

A: Macronutrients are the supplements your body needs in bigger sums, in particular carbohydrate, prote...

Q: The inferior colliculi are involved in the startle response to loud noises. O True False

A:  The pathway conveys the special sense of hearing. Information travels from the receptors in the org...

Q: How does handwashing help in preventing spread of infections?

A: Introduction Infectious diseases are illnesses caused by bacteria, viruses, fungus, or parasitic org...

Q: Antisocial personality disorder is woven of both biological and psychological strands. Discuss

A: Antisocial personality disorder (ASPD) is a typical mental health condition. People with ASPD may no...

Q: A species of cleaner fish removes parasites from another species of fish that is much bigger in size...

A: In Ecology there are different types of interactions defined between the individuals which remain in...

Q: Give the structure of an LTR retrotransposon ?

A: DNA or deoxyribonucleic acid is a type of nucleic acid present in the nucleus of the cell. It is the...

Q: If a DNA molecule has (C+T)/(G+A)=1.95, what can you conclude about the structure of this DNA?

A: DNA is two stranded structure which is formed by numerous nucleotide combine with each other . A Nuc...

Q: DNA plus associated proteins equal?  a. chromatin b. chromosome c. chromatid d. nucleosome

A: Introduction :- Proteins are big, complex molecules that play a number of important tasks in the hum...

Q: Why do we say that life is based on carbon

A: Catenation is a process in which atoms (carbon) are able to form a bond with other atoms of the same...

Q: A species of mouse that is preyed on by owls (which can see color) at dawn and dusk varies in coat c...

A: Natural selection theory of evolution was given by Charles Darwin and Alfred Russel Wallace, which s...

Q: 10. You have a blood stain and want to match it to a large number of blood samples. only a minute am...

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

Q: a-helical

A: The alpha helix is the secondary structure of proteins and is a right hand-helix conformation in whi...

Q: An animal cell of 60 μm length is enlarged photographically. An enlargement print is made showing th...

A: Introduction Magnification is the method of enlarging something's apparent size rather than its true...

Q: 7. The science of classifying all living organisms A series of questions grouped with 2 options wher...

A: The living organism have ability to move and reproduced. They are classified according to their char...

Q: With the aid of examples, explain fully why some botanical fruits are mistaken to be vegetables.

A: Introduction A ripe ovary and its associated parts are referred to as a fruit in botany. It normally...

Q: Gram-negative bacteria would sain their cell wall. after Gram stain and have in Purple; peptidoglyca...

A: “Since you have asked multiple question, we will solve the first question for you. If you want any s...

Q: What are the various types of vertebral processes & what is/are the function(s) of each?

A: DISCLAIMER : Since you have asked multiple question, we will solve the first question for you. If yo...

Q: If we perform the following cross, AABB x AaBb, how many unique haploid gamete genotypes are possibl...

A: We have,  Genotypes of parents - AABb and AaBb Possible gametes of parents of genotype AABb - AB and...

Q: A container with two amoebas splits and double its size once every second. The container will be com...

A: Amoeba is a single-celled organism that reproduces asexually. Asexual reproduction involves the divi...

Q: Please answer fast Using the image above: A. How many different gametic genotypes can each horse f...

A: Gamete  A haploid male or female germ cell that unite with opposite sex to form zygote.   

Q: https://coloradosun.com/2022/02/06/colorado-soil-dry-climate-change/ Did the author support his/her...

A: Environmental sociology is a branch of sociology that deals with the study of interactions between s...

Q: Based on the action of thiamine pyrophosphate in catalysis of the pyruvate dehydrogenase reaction, s...

A: Pyruvate dehydrogenase complex (PDC) is a three-enzyme complex that transforms pyruvate to acetyl-Co...

Q: The following cross is performed between two varieties of fish that differ in scale color. What stat...

A: Alleles are the alternative forms of a gene that are located on the same locus of a homologous chrom...

Q: Identify five (5) differences between frog and mammalian ovaries. Ovary Characteristics Frog Mamm...

A: Mammals, which include humans, are warm-blooded creatures having hair and vertebrates, or backbones....

Q: Almost no planets have been found around O, B or A-type stars. Explain in detail why. (Please note t...

A: Introduction :-  Any moderately large natural body that revolves in an orbit around the Sun or anoth...

Q: Communities of organisms, together with abiotic entities, make up an ecosystem. What are these "abio...

A: Given: Communitiies of organisms together  with abiotic entities make up an ecosystem.Ecology is the...

Q: Give the methods of transposition ?

A: Deoxyribonucleic acid or DNA is a hereditary material that transfers from one generation to another....

Mitochondrial Mutations

A mitochondrion is a cellular organelle that serves as the site for cellular respiration and energy production (ATP or Adenosine Triphosphate). It is a double-membrane-bound organelle and is only present in eukaryotic cells.