Dinosaurs (apart from birds) went extinct at the end of the Permian because they were poorly adapted to their environment False True

Q: Give examples of environmental factors that affect phenotype byaltering gene expression

A: Introduction  Environment plays a major role in the diversification of organisms. For example, if we...

Q: Why can't an individual eveolve?

A: Evolution is the process by which the traits of a species change over numerous generations and is ba...

Q: Graph of Absorbance vs Time(mins) 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 10 20 30 40 50 60 70 80 Time (mins...

A: Ampicillin helps in retarding the growth of microorganisms by stopping their growth because it is an...

Q: How and why are avian and human muscles different?

A: Muscles are the the stretchy fiberes made up of soft tissue. 

Q: 1) Interpret the value of the interference.  2) Map the genes

A: The genes that are located on the same chromosome are considered as linked genes. In this condition ...

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Q: Which of the following is the NOT the correct way of writing the scientific name? After the scientif...

A: 1) There are precise conventions to follow while writing a scientific name. The genus name is writt...

Q: Describe the stages of a typical population growth curve.

A: A growth curve is a graphical representation that shows the course of a phenomenon over time. An exa...

Q: Atropine (I) and Ipratropium bromide (II) are both muscarinic acetylcholine receptor antagonists. Co...

A: Atropine and ipratropium bromide are the drug use to treat pulmonary disorders . Ipratropium synthes...

Q: 1. Robert Whittaker popularized the five kingdom system. 2. Carl Woese proposed the six kingdom syst...

A: Q. 1. Robert Whittaker popularized the five kingdom system. 2. Carl Woese proposed the six kingdom s...

Q: Provide consequence or outcome of eugenics

A: Introduction Eugenics:- Eugenics is the selection of desired heritable characteristics in order to i...

Q: What are three behaviorally measured outcomes of attention?

A: Three behaviorally measured outcomes of attention are: Improves response to objects. Affects Percep...

Q: Explain the Baroreceptor Reflex and how it regulates BP & HR. What are the receptors and neural path...

A: The baroreflex or baroreceptor reflex is a homeostatic mechanism in the body that contributes to the...

Q: 1. Which processes remove nitrogen from the atmosphere? I. Fertilizer production II. Eutrophication ...

A: The correct Answer is B1. B. Nitrogen-fixing bacteria fix atmospheric nitrogen gas, which is used to...

Q: Due to advances in medicine people are living longer? Do you think that this is potentially problema...

A: Health and environment are two sides of the coin. Without a proper environment health cannot impact ...

Q: Define about chromatin ?

A: Introduction: chromatin is the complex of protein and DNA found in the nucleus of the cell. Chromati...

Q: Fill in the banks for the relative percentage of bases in a DNA T C G A 13 Strand 1 12 Strand 2 The ...

A: The bond that is present in between sugar and nitrogen bases is glycosidic bond. The bond that is pr...

Q: In conditioned athletes, the resting Heart Rate is generally much lower than in non-athletes. Why?  ...

A: Option - d is correct  

Q: An action potential is considered an "all or nothing" event. What does this mean? Explain using the ...

A: Nerve impulse, also called action potential, is the change in the membrane potential due to  an exte...

Q: Can two people have the same DNA?

A: DNA is a molecule which is the genetic material of a cell that has all the information of a particul...

Q: 18. Where is the energy stored in ADP7 Between the first and second phosphate bond b) Between the se...

A:

Q: How the plasma maintains homeostasis in the cell?

A:

Q: . List the sequences of RNA that would be transcribed template sequences. a. Ans: TTACACTTGCTTGAGAGT...

A: Since you have posted a question with multi- sub parts , we will solve first three sub-parts for you...

Q: A 42-year-old woman consults a dermatologist to evaluate and treat her glabellar lines (frown lines ...

A: The correct answer from the above option is option A.   

Q: Compare the Peak Respiratory Flow of men vs women provide exmaples

A: "ANSWER  When comparing males and females, males have higher specific airway conductance and flow r...

Q: plant begins the process of photosynthesis with 50 kCal worth of light energy, how much energy will ...

A: The question is related to 10% energy law.

Q: How did the work of each of the following scientists—Garrod, Beadle and Tatum, and Pauling— contribu...

A: Gene can be described as the unit of heredity that comprises the information related to the generati...

Q: How is it possible to generate so many products from a DNA that is able to fit inside the nucleus of...

A: DNA is the chemical name for the organic chemical that carries genetic information and contains inst...

Q: Asexually reproducing animal populations are rare, butthey typically consist of females who produce ...

A: The majority of living organisms reproduce in two ways: asexually and sexually. Asexual reproduction...

Q: Gyraulus convexiusculus is the first intermediate host of: * Echinostoma ilocanum Fasciola hepatica ...

A: Parasites: A parasite is a creature that lives on or in its host and feeds on or at the expense of t...

Q: What resources available for health care professionals and patients. Why is it helpful for people to...

A: Health care resources are defined as all materials, personnel, facilities, funds, and anything else ...

Q: 2.  If we assume that amygdala-dependent learning uses the same LTP mechanism as the hippocampus, w...

A: Antagonist-mediated NMDA receptor (hypo-functioning) produces excessive excitatory neurotransmitter ...

Q: 1. Kingdom Protista contained the molds and yeasts which obtain their food by absorption of nutrient...

A: Six kingdom classification was a theory given by biologist Carl Woese 

Q: Why is specific base pairing essential to the processes of transcription and translation? - How many...

A: The DNA is composed of sugar and phosphate that serves as the backbone, and at each sugar, a nitroge...

Q: What organism did Vries used as evidence to prove that species did change as Darwin said? * evening ...

A: Question number 1 On the basis of above observations, Hugo de Vries (1901) put forward a theory of e...

Q: Individuals of genotype AaBb were mated to individuals of genotype aabb. One thousand offspring were...

A: Individuals of genotype AaBb were mated to individuals of genotype aabb. One thousand offspring were...

Q: 6-11. Match the segment of the nephron in the first column with the correct epithelial lining. Refer...

A: Nephron is the functional unit of the kidney which helps in the process of removing waste in the uri...

Q: As the number of foxes increases, what happens to the number of mice? O the number of mice stays the...

A: Option B is correct

Q: Which of the following occurs in Huntington's disease? The cells of the substantia nigra die and no ...

A: Huntingtons disease is disease condition when nerve cells are damaged or break down over a time.It b...

Q: What is the importance of Gametogenesis and Spermatogenesis in Meiosis?

A: Gametogenesis Formation of gametes. Gametes develop in the gonads(sex cells). In male, it is sperma...

Q: Question 1: Which of the following processes is not involved in genetic engineering?  A. DNA polymer...

A: The recombinant DNA technology involved transferring the desire DNA into a specific host cells in wi...

Q: Which of the following are characteristics of “small” monomeric Ras GTPases?     A. Membrane boun...

A: Answer : The correct option is C because, RAS protein  RAS proteins are small group of GTPase which ...

Q: 1. Which modification occurs as part of transcriptional termination? Explain this modification and h...

A: 1 ) ANSWER The maturation of a eukaryotic mRNA from primary mrna transcript  involve many complex s...

Q: Complete the table below showing the sequences of DNA, MRNA codons, RNA anticodons and the amino aci...

A: Note: As per Bartleby Guidelines For Remaining Answers Please Repost The Question. Introduction: A c...

Q: Which of these is likely to reduce enzyme activity? I. Increasing pH level II. Decreasing temperatur...

A: Enzymes are proteinaceous molecules whose main task it to accelerate the reaction process when added...

Q: An original cell replicates its DNA. The cell undergoes mitosis and cell division, and one of the da...

A: Answer One of the cells will contain DNA consisting of one strand from the original cell. 

Q: In order to stop the spread of COVID the Government of Canada has implemented a law that says you ca...

A: The restriction implemented during the pandemic were proven to be helpful and also had some intense ...

Q: SUBJECTIVE: The patient is a 85-year-old Hispanic male who himself to our office and is complaining ...

A: ATRIAL FIBRILLATION An arythhmia is a problem with the speed or rhythm of heartbeat. Atrial fibrilla...

Q: Which of the following characteristics of a water-insoluble substance is most important in governing...

A: Cell membrane It is also referred as the plasma membrane. It  separates the cell's interior environm...

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A: This is a classical presentation of a congenital heart disease known as the Ventricular Septal Defec...

Animal Phylogeny

Cladistics is a method of biological classification where organisms are classified based on their ancestors and their relationship with them. It is defined as the concepts and methods for determining the branching patterns of evolution and evolutionary history. Some scientists, however, have preferred the term phylogenetic systematics or phylogenetic taxonomy to emphasize the reliance on a phylogeny for classification. It is the most common and accepted method for classifying organisms.