developmental biology

Q: A double-stranded molecule of DNA contains 120 cytosine (C) bases and 80 adenine (A) bases. How many...

A: DNA(  Deoxyribonucleic acid ) is two stranded structure , which act as genetic material in most of t...

Q: Discuss the importance on the addition of ampicillin and arabinose to the medium of the genetically ...

A:  pGLO bacterial transformation experiment. Controls that were incubated with no plasmid (-pGLO) grow...

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: An important result of extensive ant or termite activity in soils is: increased clay content of B ho...

A: Effect of Termites on soil fertility

Q: What are the main reasons for gaps in the fossil record?

A: Fossils are the naturally preserved remains of dead organisms or plants which existed in the geologi...

Q: For your protist, please answer the following questions: 1. What protist did you select? 2. What sup...

A: 1. My protist is Forams or foraminifera. 2. It belongs to Supergroup Rhizaria. 3. They catch their f...

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: 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: 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: Examine the diagram carefully, and then answer the question below. i vi This diagram shows... • DNA ...

A:

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

A: A gene is a DNA-based functional heredity unit that delivers instructions for the production of RNA ...

Q: telophase

A: The cell cycle of the cell , consist of two phases ( Interphase and the Mitotic or M-phase ) .   

Q: Explain why triglycerides have a glucose-sparing effect.

A: Introduction :- Blood sugar, often known as glucose, is the most common sugar found in the body. It ...

Q: During which phase of mitosis do the chromosomes begin to unwind (become less condense)?

A: Mitosis is a cell division process that involves production of two diploid (2n) daughter cells from ...

Q: The basis for mechanical isolation is 1. _________________. Mechanical isolation is classified under...

A: Mechanical isolation It refers to the physical differences that are present between the species. The...

Q: What will be the quantitative effects of feedbacks such as the release of methane and carbon dioxide...

A: Permafrost is also known by the name of frozen grounds. Permafrost is described as soil that is pres...

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

A: A codon is known to code by three different types of bases in a particular mRNA. Hence, a codon is a...

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: Briefly, in your own words, describe the steps of the gram staining procedure.

A: The bacterial kingdom is classified into Gram positive and Gram negative bacteria depending on their...

Q: Provide a example of a plant that possess only a primary body and another that has both primary and ...

A: In plants; the Primary plant body is chiefky consists of apical meristem;this apical meristem divide...

Q: Describe the location and purpose of the synovial membrane.

A: The entire skeletal system is linked together by joints, which aid in various forms of movement. A j...

Q: Are Tetramethrin and Lambda-Cyhalothrinused on food crops?

A: Insecticides are synthetic chemicals used for controlling the insect's pest.   It eliminates them fr...

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

A: Codon is a sequence of three nucleotides that together form unit of genetic code in a DNA or RNA mol...

Q: Can predators and prey coexist stably in certain environments?

A: Coexistence theory is a framework for understanding how competitor traits can help species diversity...

Q: Some ________ use group translocation as a means of transport.

A: Microbes are little living things that are tracked down surrounding us and are too little to even co...

Q: What are some of the costs and benefits to an apple tree and to the honeybee that pollinates it?

A: Symbiosis is a generic term for interspecific interactions in which the two species live collectivel...

Q: Which of the following is FALSE? A. Bile is a fat molecule-busting enzyme B. Vitamins are organic co...

A: The digestive system is responsible for digestion and absorption of nutrients from the consumed food...

Q: What types of changes take place in rRNA processing? a. Methylation of bases b. Cleavage of a larger...

A: The nucleic acids are the macromolecules that can be found in different forms. One of the forms of n...

Q: 3. After 12 days of starvation, a man reduced his weight by 4 kg. The doctor prescribed him biochemi...

A: Introduction: Starvation is defined as a severe deficiency in calorie energy intake needed to mainta...

Q: What would be the most likely effect of a mutation at the following locations in an E. coli gene? a....

A: Part A. There will be no transcription. Part B. The rate of transcription will be decreased. Part C....

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: Draw a typical eukaryotic gene and the pre-mRNA and mRNA derived from it. Assume that the gene conta...

A: Introduction Eukaryotes are organisms that consist of a cell or cells containing DNA in the form of ...

Q: Erysipelothrix rhusiopathiae is a gram positive bacilli that survives in water contaminated by a sic...

A: Erysipelothrix rhusiopathiae is a gram-positive, rod-shaped, nonmotile, bacillus bacteria.

Q: Question 4 The supercoiled DNA can either be positively or negatively supercoiled. A True B) False

A: DNA is a double helix molecule where two strands of DNA run anti-parallel to each other. In prokaryo...

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: Prompt With many issues regarding stem cell research with one of them being the utilization of embry...

A: INTRODUCTION Stem cell research The scientists grow stem cells in the lab and later the cells are ma...

Q: Why is it that pre-mRNAs are capped, but tRNAs and rRNAs are not?

A: Introduction :- Ribosomal RNA (rRNA) is a molecule found in cells that is part of the ribosome, a pr...

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: Why is important to note the Kit / Lot number and expiration date for each kit or tests done from ea...

A: Introduction Some collection devices ensure the delivery of the correct sample volume and some conta...

Q: Suppose that you are at a party on Friday night, relaxing after your big genetics exam. Someone come...

A: Genetics is a branch of biology which is deals with the study of genes, genetic variation, and hered...

Q: 13 Black coat color (B) in cocker spaniels is dominant to white coat color (b). Solid coat pattern (...

A: So according to the law of assortment from Mendel's in dihybrid cross . This law states that assortm...

Q: Does species diversity promote primary productivity?

A: The term ecology is associated with studying of ecosystem that is comprised of living beings present...

Q: 1)Briefly describe three chemical factors affecting cell division. 2)Briefly describe the three clas...

A: We are allowed to do one question or upto three subpart of a question.  Please repost the undone que...

Q: An ecosystem has an average of 50 cm of rain per year. Look at the rainfall g of lower than average ...

A: Biotic factors - Biotic factors are living components or variables that influence an ecosystem or th...

Q: Discuss reasons why population numbers would be important and how this data could be used to manage ...

A: Increased numbers of a particular species can affect the balance of ecosystem , as the increasing po...

Q: If a gamete of a FISH-X has 32 chromosomes, how many of each of the following structures will be pre...

A: Introduction:  The fusion of two gametes, each with a complete haploid set of chromosomes, is requir...

Q: Dr Merrick is so excited to know the affinity constant Kd values for O2 binding to mammoth OBP and e...

A: ANSWER;- It is given that the ka values of OBP and elephants Hb are the same at pH=7. Kd is the equi...

Q: A. Describe the location of the following: Desonipe the location Chromosome 2 Depxynbonucieic Acid (...

A: The study of the structure, function, and behaviour of cells is known as cell biology. Cells are the...

Q: Regarding the Gram stain procedure: whether Gram-positive or Gram-negative, cells may appear colorle...

A: Q. Regarding the Gram Strain procedure: Whether Gram positive or Gram negative,cells may appear colo...

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.