ture or false    The CO2 rebreathing method for measuring cardiac output can be used with strenuous exercise. During exercise, increases in heart rate will occur by inhibition of parasympathetic stimulation.

Q: With suitable examples, explain how mechanisms that do notinvolve adaptive traits can change allele ...

A: Allele frequency means frequently appearance of particular allele appears in the population. Change ...

Q: the force of blood-- in your arteries when your heart contracts (beats) diastolic pressure None O sy...

A:   Cardiac cycle is the term used to describe the relaxation and contraction that occurs as a hard wo...

Q: Write and submit a lab report showing any relationship between blood pressure readings of your class...

A: Introduction:- Blood pressure is a measure of the force that your heart uses to pump blood around yo...

Q: In the scientific competition against fixism, what are the main arguments that favor evolutionism?

A: Introduction :- The theory of evolution is founded on the assumption that all species are connected ...

Q: How is energy carried from glucose into the mitochondrial electron transport chain?   Why is oxyge...

A: 1. The Electron Transport Chain: ATP for Life in the Fast Lane Toward the finish of the Krebs Cycle,...

Q: In the scientific competition against fixism, what are the main arguments that favor evolutionism?

A: Introduction In this question we will discuss about the main arguments that favor evolutionism In th...

Q: 2. Also submit a text-file, in which you explain in about one page what you have learned about the e...

A: Evolution is a continuous transition of living forms, beginning with the basic forms of the past and...

Q: "Which of the following would most likely result from placing cold water in the left external acoust...

A: Nystagmus is a rapid, side-to-side involuntary eye movement caused by a change in the temperature of...

Q: How could coacervates have facilitated the emergence of life on earth?

A: Introduction: Coacervates were a type of protobionts or prebiotic chemical aggregates. They were col...

Q: Why can a pH indicator be used to assay for photosynthesis?

A: A pH indicator is a halochromic chemical substance that is introduced to a solution in small doses t...

Q: Please answer fast the population density (n) changes as a function of the current population densi...

A: The logistic population growth can be calculated by : dn/dt =r n (k-n/k) Where dn/dt is the populati...

Q: . E. coli chromosomes in which every nitrogen atom is labeled (that is, every nitrogen atom is the h...

A: Chromosomes can be referred to as structures containing DNA (genetic material). Such structures can ...

Q: List 5 significance of organic waste recycling. Explain each briefly.

A: Introduction :- Organic wastes are biodegradable materials derived from living organisms such as pla...

Q: Why are animals used in laboratory experiments in toxicology? Explain the dose-response curve. Why i...

A: Animals have typically been utilised in scientific tests to avoid ethical quandaries associated with...

Q: The petals of the plant Collinsia parviflora are normally blue, giving the species its common name, ...

A: Part A. The F1 cross progeny are blue in color and this denotes that they are dominant.   In the F2 ...

Q: In many bird species, sex is preceded by a courtship dance. If a male’s dance is unrecognized by the...

A: Charles Darwin is the father of evolution, and his theory explains how species evolve throughout tim...

Q: Define about restriction site ?

A: Recombinant DNA is made up of molecules of DNA from two different species that are inserted into a h...

Q: The diagram below shows paired strands of a DNA double helix. If this molecule were to undergo one r...

A: The functions of DNA and RNA are controlled by genes. Genes are made up of a distinct collection of ...

Q: Which mineral serves as a cofactor in glucose, fatty acid, and amino acid breakdown during energy me...

A: L-ascorbic acid, Iron and Magnesium Are associated with Energy-Yielding Metabolism. L-ascorbic acid ...

Q: Stoin namedD rathion E.coles Epidarmis S. Substilis Bacillus streptococep

A:   Introducrion :  staining is necessary in microscopy to enhance the contrast in a microscopic image...

Q: The best way to improve your capacity to run is to train by       Running   Swimming   Kayaking ...

A: Running  Helps burn calories and and maintain the tone of the lower body and is good for cardio vas...

Q: Illustrate and describe the following life cycle: (Please include references) a. Ascaris lumbricoid...

A: Introduction Ascaris lumbricoides:- Ascaris lumbricoides is an intestinal roundworm that causes rest...

Q: Why uncut and cut PCR at different position in the agarose gel? which one can be decided accuracy th...

A: *Gel electrophoresis a technique to separate DNA fragments based on their size. *DNA samples are loa...

Q: 2) Provide the picture of the following: a. cephalothorax, and all the other structure found. Proper...

A: Insects are any group of small and often winged animals that are arthropods having six jointed legs ...

Q: 1. Is it possible to change either blood buffer capacity or muscle buffer capacity?   2.  How does...

A: Buffer capacity: it is a capacity to resist the any change in pH when small amount of acid or base i...

Q: Given your knowledge of temperate biomes, why can temperate seasonal forests retain more of their so...

A: Biome refers to the community of flora and fauna with are like characters concerning the environment...

Q: Explain why the genetic code is said to be redundant and virtually universal, and discuss how these ...

A: The flow of genetic information from DNA to proteins occurs via mRNA.  

Q: Indicate the testing procedure for the cortical sensation

A: The purpose of examination of cortical sensation is mainly to see if there is evidence for a lesion ...

Q: list at least three potential targets for antiviral therapies/drugs. For each one, briefly justify y...

A: Anti Viral Drugs attack one of the various steps of viral entrance or replication or exit. These can...

Q: 6. Genes Mand Nare 34 mu apart. A double heterozygote individual is crossed with an mmnn individual....

A:   Distance between M and N 34 map unit  That means they are linked.  Double heterozygote = MmNn  Rec...

Q: Lumen of the right atrium Lumen of the right ventricle Right atrioventricular valve Right coronary a...

A: * Heart is made up of cardiac muscles  * Heart consists of two atria and two ventricles  * And it ha...

Q: Men have slightly higher values(BMR) than women, because women have less body fat and therefore use ...

A: Basal metabolic rate: it is the minimum required energy to perform basic functions of the body at re...

Q: hich of the following can produce inactive endospore-like bodies that are infectious to human epithe...

A: Introduction Chlamydia is a Gram-negative bacteria genus that are obligate intracellular parasites. ...

Q: Suppose you counted 79 R_ and 33 rr. The total number of individuals you counted, N, is 112. You exp...

A: Answer 

Q: What is the basic monomer (a building block of a DNA molecule?

A:     Introduction :  DNA or Deoxyribonucleic acid  is a hereditary material which contain double stra...

Q: Escribe el nombre de cada parte de la circulación sanguínea en el número 10 12 1. 2. 14 3. 13 5. 6. ...

A: cardiovascular system is made up of heart and blood vessels. this is a crucial part of your body. ca...

Q: If there is 50 bacterial colonies on a 1:1000 dilution streak plate. How many cfu/mL are there?

A: Introduction: A CFU stands for colony-forming units. It is a unit that we use for estimating the num...

Q: A geneticist uses a generic engineering approach to mutate the TATA-building protein (TBP) of a muri...

A: *The TBP is the gene that instruct for making a protein called the TATA box binding protein. *This p...

Q: The number of species on an island depends on the size of the island and its distance from a mainlan...

A: Species are groups of organisms that can interbreed and produce fertile progeny.  

Q: 8. Another unique feature of coronaviruses is usage of a -1 ribosomal frameshift. Explain this frame...

A: Defination- Ribosomal frameshifting is a biological phenomenon that occurs during translation that r...

Q: In Figure 8-20, three very different situations are shownthat all result in gene silencing. What do ...

A: A transgene is a gene that is transferred from one creature to another spontaneously or using any ge...

Q: Which of the following is an ethical consideration when using animals in research? a. Avoiding expos...

A: The ethical considerations surrounding the use of animals in scientific research are numerous. In so...

Q: What are structures 6 and 7? This is the leaf anatomy of Zea mays

A: Zea Mays is isobilateral leaf. Also called as maize. 

Q: The reason that x-rays show bones so well Ca it absorbs x-ray much better than surrounding soft tiss...

A: X Rays X rays are electromagnetic radiation. X ray machine sends individual x ray particles through...

Q: What Data is included in a population pyramid, and what is the purpose behind the three groupings?

A: A population is defined as a group of individuals which can inter breed with each other and produce ...

Q: What does the term "Micronutrient" mean in technical language to biologists? What are the similariti...

A: The term micronutrients are used to describe chemical element or substance such as vitamins and mine...

Q: Starches with a branched structure are called O polymers O granules O amylose O amylopectin

A: Amylopectin  The non-crystallizable form of starch, consisting of branched polysaccharide chains. I...

Q: Identify 5 common characteristics of transcription and replication

A: Transcription is a process in which the information in the template strand of a DNA is copied into a...

Q: The following DNA nucleotides are found near the end of a bacterial transcription unit. 3'-AGCATACAG...

A: The functions of DNA and RNA are controlled by genes. Genes are made up of a distinct collection of ...

Q: Of the choices below, pick the answer that best characterises pulsatile flow: O In pulsatile flow, r...

A: The best characteristic of pulsatile flow is- In pulsatile flow, red blood cells must deform to pas...

Violence

Violence is defined as a physical act that causes or is intended to cause harm. Violence can cause physical, emotional, or both types of harm. Violence is defined by the World Health Organization as the intended use of physical force and power that causes threat or harm against oneself, another person, or against a community or group, and has the potential to cause damage, death, mental distress, maldevelopment, or poverty.