How have the processes of domesticating creatures such as cats, cattle, chickensl, and fish remained similar and changed from the early days of domestication to the present

Q: Which of the following statements best describes the effect of natural selection on a population? O ...

A: THEORY OF NATURAL SELECTION was proposed by Charles Darwin (1809-1882 A.D.), an English naturalist. ...

Q: Plants have 3 systems for photosynthesis. Which one takes in CO2 at night, stores it, and then does ...

A: It is widely known fact that CAM pathway captures CO2 from stomata at night and fixes it during the ...

Q: Given that selection cannot favor traits that lower fitness, what might cause a population to move d...

A: The Adaptive Landscape was introduced to the public for the first time in the 1932 publication. Wrig...

Q: Question 1. Which amino acid is most likely to be found in the core of a protein?

A: It is option A) leucine.

Q: Describe the roles played by carbohydrates in cells: A.) Raw material B.) Structural support C.) Cel...

A: Carbohydrates are a class of biological macro-molecules that are important for day-to-day functions ...

Q: What is the distinction between a theory and a law? State why religion and science cannot mix? In a ...

A:

Q: organism which take carbondioxide as a chemical source is known as Select one: a. photoautotrophs b....

A: Introduction Carbon is a necessary component of all life on Earth. Carbon intake and outflow are a p...

Q: The cellular membrane is often called the fluid mosaic model. To what does this refer? 1. The fluidi...

A: Cellular membranes are composed of two layers of phospholipids.  

Q: Example of psychrotrophic bacteria includes:

A: Psychrotrophic bacteria are those bacteria which can grows at 7°C although their optimal growth temp...

Q: Mainland population allele frequencies before migration Island population allele frequencies before ...

A: allele frequencies change in the direction of the donor/source population due to migration. So for c...

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: In the lifecycle of an angiosperm, male pollen is produced in the ______ and is transferred to the _...

A: Introduction :- Vascular plants are angiosperms. They have stems, roots, and leaves, among other thi...

Q: Why are water and its derivatives useful as buffers in the cell cytoplasm?   A. H3O+ can serve as ...

A: buffers maintain the right pH of a liquid. Since acidic liquids can destroy proteins, and cells are ...

Q: assess the advantage and disadvantages of toxicology compared with epidemiology as sources of inform...

A: Toxicology is a field of science that helps us understand the harmful effects that chemicals, substa...

Q: The followings list the false statements about microbial growth curves EXCEPT Log phase indicates th...

A: Option (b)microbes grow exponentially when they are in the stationary phase.

Q: What is the reason behind the colour and odor of a stool?

A: The Colour of the stool is mainly due to the presence of bile and what we eat. The bile pigment give...

Q: Draw a diagram of a nucleotide with a ribosoe sugar. Number the carbons on the sugar.

A: Nucleic acids are made up of nucleotides, which are the basic building blocks. Long chains of nucleo...

Q: Animal Cell DNA Bacterial cell Plasmid Bacterial 1 3 5 chromosome Questions: 1. Why are plasmids use...

A: Introduction The technique of combining DNA molecules from two separate sources and putting them int...

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: 1. DNA → CCT CTT ATG ACA CGG AGG GTA CGC TAT TCT ATG TÀA TECATA ATC mRNA → tRNA →CCI protein >

A: Following the discovery that DNA is the genetic material, a new field known as genomics arose. DNA, ...

Q: Small bristle-like structures used by bacteria for movement are: O flagella O cytoskeleton O cilia O...

A: Answer : Flagella.

Q: Which of the following best describes an organ system Group of answer choices organs that collective...

A: A group of tissues that anatomically constitute a functional unit specialised to fulfil a specific f...

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: How does handwashing help in preventing spread of infections?

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

Q: n a given sample of stool in picture. Answer the following question below. 1. What is the quantity? ...

A: A stool analysis is a series of tests done on a stool sample that helps to diagnose certain conditio...

Q: 1. Consider some question about cell structure or function that you would be interested in answering...

A: Answer 

Q: .Examine the Punnett squares below and select the letter(s) of the crosses that are correct. More th...

A: Reginald C Punnet invented the punnet square, which bears his name. It is used to predict and illust...

Q: Which specific theories (provide the name of the theory and its definition) challenge Archbishop Jam...

A: Ushers theory was a chronology which is associated with Creation of Earth. Some of the theories have...

Q: Question 18 Answ Viruses are non-living entities and as such do not inherently have their own metabo...

A: Introduction :- Viruses aren't living things. Viruses are complex molecular assemblies that include ...

Q: se you are given a plant belonging to the Division Gnetophyta, how would you tell the genus to which...

A: All the living organism are classifies into the five kingdoms. These five kingdoms includes Plantae,...

Q: A question that puzzled scientists was that how chemical carcinogens caused cancer. The experiment g...

A: This is a hybridoma technology where a cancerous cell mixed up with a normal myoloma cell and produc...

Q: Jenna is studying biodiversity and the factors that affect it. She learns that many factors influenc...

A: Ecosystem biodiversity refers to the wide range of ecosystems, both in terms of their nature and num...

Q: Your book discusses one possible solution for the wide-spread problem of prescription drug abuse, wh...

A: When we consider the name drug, it is basically not illegal. But the buying it without prescription ...

Q: State the Synthetic Theory of Evolution

A: During Chares Darwin sea voyage around the world, he noticed species share similarity among themself...

Q: Is the autoclaving process absolute in killing all microorganisms? If not, what are the factors that...

A: Autoclave is an instrument or device which is used in  method of moist heat sterilisation; while pre...

Q: 5. PDGF is overexpressed in certain cancers. This is an example of a mutation in the --- region. a. ...

A: INTRODUCTION Answers of question 5&6 is given below.

Q: Which of the following predictions does neutral theory make? all loci are equally constrained in the...

A: According to the neutral theory of molecular evolution, the majority of evolutionary changes occur a...

Q: SELF TEST A national hospital chain performed a study to determine whether a effective in lowering b...

A: For doing any scientific experiment we need to identify control and experimental groups. Before doin...

Q: . The normal eye color of Drosophila is red, but strains inwhich all flies have brown eyes are avail...

A: Gene expression is the mechanism through which genetic information is used to create a functioning g...

Q: What is Speciation? And How does it affect evolution?

A: A process that results in changes in the genetic material of a population over time is known as evol...

Q: Scientific inquiry is a set of strategies that scientists use to gather information and explain the ...

A: Introduction  Science deals with the understanding of the natural phenomena that occurs in daily lif...

Q: Why are all of the fossil taxa from the Pliocene in this module called hominins?

A: Fossils are the preserved remains of plants and animals that were buried beneath ancient oceans, lak...

Q: How is genetic expression regulated?

A: Genetic expression is also known as gene expression.  It is the process of the transfer of informati...

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: What do we use to estimate the heritability of a trait in this exercise? Group of answer choices The...

A: Heritability refers to how well genetic differences account for variances in people's attributes. A ...

Q: If heritability of dots is equal to 0.9: Group of answer choices The average number of dots for offs...

A: The slope of the regression line is an estimate of narrow-sense heritability. For the high heritabil...

Q: What is the expansion of acronym MICA?

A: Immune system includes cells and molecules involved in protecting body against antigens.

Q: Differentiate the respiratory tract between the Mammals and Avian.

A: INTRODUCTION Differentiation between avian and mammalian respiratory system is given below.

Q: Name 3 organs system in the human body??

A: All living bodies-plants, animals or microscopic organisms, are made up of cells. The term 'cell' is...

Q: The line to the right labeled "with inhibitor" shows the expected behavior of a chemical reaction in...

A: The enzymes are biocatalyst that person specific chemical reaction. Each enzyme has an active site i...