How does the presence of gill slits in all vertebrate embryos support the theory of descent from a common universal ancestor

Q: New genetic variations may occur because of (Check all that apply) Select 3 correct answer(s)" A)…

A:

Q: How does the release of Ca²+ help pass along the signal?

A: Introduction  Calcium signalling is the employment of calcium ions (Ca2+) to communicate and drive…

Q: receptors have their neurotransmitter binding site and ion channel are components of different…

A: Answer 1: the receptors have their neurotransmitters binding site and ion channels are components of…

Q: Name three characteristics that set vertebrates apart from other animals

A: The phylum of vertebrates, which includes Aves, reptiles, amphibians, and mammals, is defined by the…

Q: Q6. Based on the data in the table below, which of the following pairs of species are likely to be…

A: The timan's model of resource compilation is a theory in community ecology that endeavors to…

Q: missense mutation will influence the tertiary or quaternary structure of the protein (FGFR3). How…

A: Missense mutation A missense mutation specifically defines the kind of point mutation in which the…

Q: ACTION ON THE HUMAN ORGANISM OF UV RADIATION WITH A WAVE LENGTH 320-280 nm 1. anti-rachitic 2.…

A: UV Radiation or Ultraviolet Radiation is emitted majorly by the sun and also by some artificial…

Q: How does capillary electrophoresis differ from gel electrophoresis?   a) The capillary system can…

A: Gel electrophoresis is done in a vertical or horizontal plane with a polymeric matrix of…

Q: key function of rod photoreceptors is to: detect colors detect fine details in the visual field.…

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Q: What is DNA replication? 2. What are the principles of DNA replication?

A: DNA replication DNA , deoxyribonucleic acid , is made up of three components , a deoxyribose sugar ,…

Q: Often, the physical characteristics of genetically identical twins become increasingly different as…

A: Please follow step 2 for detailed explanation.

Q: Based on temperature requirements which of the following is not correct?*   a. Coconut and mango are…

A: Different plants are adapted to different regions and temperature zones. Some plants require high…

Q: Why might the GluR-B mutation prevent calcium from moving through the receptor?

A: The physical and functional unit of that generally states that term which define the heredity is the…

Q: n example of phase 2 reaction is: A Glucosidation Aromatic hydroxylation C) All of the above D)…

A: 5. The addition of hydrophilic compounds to the parent molecule, a poisonous intermediate, or a…

Q: What is meant by the overload principle? A. Stretching a muscle group beyond the joint's range of…

A: To develop any area of physical fitness, the overload principle states that the person must…

Q: Which is common between aerobic respiration and anaerobic respiration ? (A) Similar substrate (B)…

A: Introduction - Respiration can be divided into two categories: Respiration that occurs in the…

Q: During the first 3 seconds of a sprint, an athlete does not burn any carbohydrates? A. True B.…

A: Sprinting is defined as sprinting a short distance at maximum speed in a short amount of time. It's…

Q: 5. What are the two major constraints on further reductions in CT scan time?

A: CT scans are quick, painless and safe generally. But there's a small risk that a patient could have…

Q: Which one of the following terms best describes a phospholipid. It consists of а: A. polar head and…

A: All plasma membranes contain proteins as well as lipids and the basic structure of the plasma…

Q: Biology Compare and contrast how BMP is used in the developmental process of anterior- posterior…

A: Please follow step 2 for detailed explanation.

Q: Tabulate the differences between prokaryotes and eukaryotes.

A: The cell is the smallest structural and functional unit of the organism. Depending on the nature and…

Q: Concerns with the resident microflora of the Gl tract and certain toxicants include A Microflora are…

A: 18. The most essential enzymes engaged in the phase I metabolism of medicines and toxins in…

Q: Acetylcholine is released by from the synaptic cleft at a postganglionic neurons and is removed rate…

A: Answer :- Option (B) is correct.   - Acetylcholine is released by parasympathetic phostganglionic…

Q: Explain the 3 laws of thermodynamics and apply it on the ecosystem.

A: Introduction The rules of thermodynamics relate and explain physical phenomena such as energy…

Q: Explain whether the micrograph shown in the question is a stem or a root that belongs to eudicot or…

A: Dicotyledons, or simply dicot, are plants with two cotyledons or embryonic leaves in their seeds.…

Q: The posterior pituitary stores and secretes: O PTH and calcineurin O Insulin and glucagon O…

A: Hormones are known to travel in the complete bloodstream and are responsible for different moods,…

Q: 2. Some ladybugs have 10 black spots on their shells and some have 4. When true breeding 10 spot…

A: Before moving on with the main question, we must be clear about some basic terms that might be used…

Q: 100 125 150 175 200 225 250 275 300 5600 Suspect 4200 male 2800 1400 How many of the loci in this…

A: ANSWER;- In the DNA chromatogram, the X-axis shows the retention time and the Y-axis shows the…

Q: In what mechanisms can genetic information be altered? What are the consequences of these changes?

A: Alteration or changes in genetic information is called mutation. Mutation can be spontaneous or it…

Q: Why is pH important for the buffer?   The pH is important to the stability of the gel.     The pH…

A: @ Why is pH important for the buffer?  Answer - pH is important for buffer for processes and/or…

Q: B. Healthy immune syste

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Q: A molecular geneticist hopes to find a gene in human liver cells that codes for an important…

A: Introduction :- A nucleic acid sequence is a series of bases denoted by a set of five letters that…

Q: Why do cells need to be kept in the freezing devices first then transferred to liquid nitrogen…

A: Rapid freezing of cells can cause ice crystals large crystals can be formed in which cells are…

Q: Chapter 22 7) Match the signal word with the appiloximate amount of toxin needed to kill an average…

A: Nearly all pesticide products registered and labelled for sale in the United States must include…

Q: The body prepares for birth and life after birth by all of the following except... A. Increased…

A: Female body is different before pregnancy and after pregnancy. Even after pregnancy when the baby is…

Q: How much more Rohydraloxide does it take for the rats to have a 50% probability of death if the rat…

A:

Q: Soil pH affects availability of nutrients for root absorption. The following statements are true…

A: The pH is also known as the potenz of hydrogen or in simpler terms, the power or concentration of…

Q: Chemicals are returned from the glomerular filtrate to the blood by A All of the above B…

A: ANSWER;-Reabsorption Explain;- Tubular reabsorption recovers items from the filtrate and returns…

Q: The reason due to which the calico cats are ealways considered as female.

A: As per the Humane Society, whereas any kind of cat can be bred with calico fur, the great majority…

Q: In toddlers, a higher fiber diet can? A. Enhance the absorption of iron and zinc B. Result in…

A: Fiber alongside with liquid intake moves rapidly and generally effectively through your…

Q: Serum sickness does begin immediately upon the production of anti-BSA antibodies. How does the…

A:

Q: Which of the following is not true about the premise of a dose/response relationship? A There is a…

A: ANSWER;- LD50 is the inverse square of the dose Explain;- LD means "Lethal Dose". LD50 is how much a…

Q: Which of the following pairs of sequences would be considered different alleles in DNA profiling?…

A: DNA profiling employs highly variable conserved regions known as variable number tandem repeats…

Q: why it is difficult to determine the sex of a newly hatched canary than a newborn puppy.

A: Reproduction is the process by which parents create new people or offspring. This procedure assures…

Q: Biology Question

A: Introduction  Taxonomy is the branch of science that deals with the classification of organisms in…

Q: Vaccination is the form of specific immunity usually results in generation of memory of a particular…

A: Introduction :- Vaccination is the process of administering a vaccine to aid the immune system in…

Q: Explain , What role does phosphorylation of tyrosine residues play in the action of receptor…

A: the phosphorylation of thyrosine residues play an important role in the action of receptor proteins…

Q: 1. penetrates deep into the tissue, but without the subjective sensation of heat and burning of the…

A: Infrared radiation is emitted from the sun and fire and radiation can be sensed as a warm feeling on…

Q: The U.S has no labeling requirements for products containing genetically modified organisms (GMOs)?…

A: ANSWER;- A. True

Q: Describe the step-by-step procedure of passage cells.

A: Cell passaging or splitting is a technique that enables an individual to keep cells alive and…

Marine Evolution

Marine habitat is less explored, and hence, its biological diversity is far less known. The marine habitats are not constant due to their shifting nature, while the terrestrial habitats are more stable. Marine biology is the science that deals with the study of diverse marine species, their interactions, and behavioral characteristics.