After a highway is destroyed by an earthquake, two formerly isolated populations of deer can now interbreed. This is an example of what?   A. Mutations   B. Natural Selection   C. Non Random Mating   D. Gene Flow

Q: 2. a) In the diagram of DNA below (Figure 4), a DNA strandis unwinding and new strands of DNA are fo...

A: The unwinding of DNA helix takes place with the help of enzyme DNA helicase. Addition of nucleotides...

Q: Define about DNA Transposons ?

A: DNA is a material found inside cells that transports genetic information and transmits it from gener...

Q: Some strains of bacteria or microorganisms have developed toxins that can modify the activity of the...

A: Adenylyl cyclase It's the enzyme that converts adenosine triphosphate (ATP) to cyclic AMP (cAMP). Cy...

Q: Briefly describe some of the defining features of the birds, reptiles, amphibians and mammals classe...

A:

Q: The culture primarily contains nutrients such as sugars and a gel (agar). Why don’t viruses grow in ...

A: Culture media are an integral part of the microbiology lab. There are various kinds of media used in...

Q: Outline the sequence of events that must take place for a protein to be manufactured and then secret...

A: DNA is the ultimate blueprint for the cell, including all of the instructions for protein synthesis....

Q: Fertilization does not take place in a moment of passion. It occurs four to five days later. Maybe i...

A: To understand the above situation of fertilization please read the below process to have a better un...

Q: What Are the Organization and Structure of Cells?

A: Cells come in a variety of structures and sizes but all share the same trait features, such as a cel...

Q: Groodies are useful (but fictional) haploid organisms that are pure genetic tools. A wild-type grood...

A: The groodies that are having a very long tail and also have flagella and are not fat are 44 in numbe...

Q: explain how the symptoms of breast cancer justify investigation through the standard methods? Give a...

A: As we all know, a disease in which abnormal cells divide uncontrollably and destroy body tissue is t...

Q: Define about cyclic adenosine monophosphate (cAMP) ?

A: Introduction: cAMP is abbreviated for cyclic adenosine monophosphate. It is generally formed when th...

Q: What is the answer to the question: "What is the minimum size of a cell for carrying out all of life...

A: Metazoa is a phylum of multicellular eukaryotes that includes heterotrophic creatures in a monophyle...

Q: A fruit fly (Drosophila spp.) has 4 homologous chromosome pairs. What is its diploid number? 16 8 O4...

A: Genetics is the branch of biology that deals with the study of genes, their variation, and heredity ...

Q: What is the formula for interference? How are the “expected” frequencies calculated in the coefficie...

A: The process of determining the locations of genes on chromosomes is known as gene mapping. Linkage a...

Q: Distinguish between smooth and rough endoplasmic reticulum in terms of both structure and function.

A: The endoplasmic reticulum is membrane bound organelle consisting of delicate branching and anastomos...

Q: Non-disjunction during meiosis can lead to several chromosomal disorders. When can non-disjunction o...

A: Cell division is a phenomenon during which parent cell splits and gives rise to new cells . It comp...

Q: Provide an illustration and brief description of the pathway of light in relation to magnification o...

A: Introduction :- A microscope is a device that magnifies images of small objects, allowing the observ...

Q: ach of the following is a critical difference between protostomes and deuterostomes except A. de...

A: Protostomes are a group of animal species that descend from the same progenitors and undergo protost...

Q: In Figure 4-8, some meiotic products are labeledparental. Which parent is being referred to in thist...

A: The final product of meiosis comes when there is splitting in the cytokinesis. The products that are...

Q: Describe the location of the following; Describe the location 1. Chromosome 2. Deoxyribonucleic Acid...

A: Introduction: Cell is the structural and functional unit of an organism. An eukaryotic cell is compo...

Q: Which of the following statements is incorrect? a) Acclimatization involves genetic change. b) Adap...

A: The living organisms have the capability of adapting in changing environments. This is achieved by h...

Q: 12 5 points Dosage compensation must occur when one sex has more copies of a gene or genes than the ...

A: Dosage compensation is a process by which organisms equalize the expression of genes between members...

Q: Different stains have different affinities for different organisms or different parts of organisms. ...

A: Hematoxylin is used to stain nucleus while Eosin used to stain cytoplasm.

Q: A3 Explain why “seeding”, at least in principle, dramatically speeds up the process of fibrillation....

A: Fibrillation of a protein generally consists of several phases including association/dissociation of...

Q: When it comes to adaptation, survival of a species' trait through artificial selection depends on a)...

A: In artificial selection, human influence is involved.  This is identified by humans of desirable tra...

Q: 1. Which of these reproductive barriers is also responsible for sympatric speciation processes? A. P...

A: In allopatric speciation, groups become reproductively isolated and diverge due to a geographical ba...

Q: Physical methods are often used to determine protein conformation. Describe how x-ray crystallograph...

A: Proteins- amino acids are the monomers for the production of proteins and contain nitrogen with mult...

Q: Based on the genes of a mom and dad, there is a 1/2 chance they will have a child with brown hair an...

A: child with brown hair chances 1/2    child with blue eye color chances 1/4    probability of child h...

Q: What are the basic principles in preparing a balanced meal?

A: Introduction :- A balanced diet is one that includes a variety of foods in specific amounts and prop...

Q: The two strands in a molecule of DNA are held together by peptide bonds covalent bonds hydrogen bon...

A: The DNA double helix is held together by two types of bonds, covalent and hydrogen. Covalent bonds o...

Q: Examine the human karyotype shown below. In the space provided, A) identify the sex of the individua...

A: Genetic diseases are caused by mutations in the sequence of DNA that alters the normal cell machiner...

Q: Why is the growth curve for most populations S-shaped?

A: A growth curve is a graph depicting the progression of an event through time. The number of organism...

Q: 7. Here are the results of a crossing trial with fruit flies (D. melanogaster) Parents: Ebony bodied...

A: Ebony body = e ; normal body = E  E dominant over e.   That means ebony body is recessive homozygous...

Q: Enumerate 5 common stains that are used in microtechnigue and describe their reactions with tissues ...

A: Staining is the technique used to enhance contrast in samples. 

Q: d. Legend Exhibits Trait Unaffected Matings Male Offspring Female The trait explored in the above di...

A: True Traits from male and affected gave 1 affected male 1 unaffected male 1 affected female(carrier/...

Q: Define about catabolite-activating protein (CAP) ?

A: Certain terms are fundamental concepts and terms used in biology, which is the study of life and liv...

Q: why the Gram stain can differentiate between Gram positive and Gramnegative cells?

A: *Gram staining is a technique used to differentiate two groups of bacteria into gram positive and gr...

Q: Curly hair is recessive (c) and straight hair is dominant (C). A man with curly hair marries a woman...

A: Introduction Homozygous means that you inherit the same version of the gene from both parents, resul...

Q: How does the structure of the nucleus affect how information stored in DNA is used by the cell?

A: The blueprint that determines everything a cell does and all of the products it produces are found i...

Q: What is allosteric repressor ?

A: Biology terms are fundamental concepts and terms used in biology, which is the study of life and liv...

Q: xplain the benefits and drawbacks of asexual and sexual reproduction.

A: Sexual reproduction involves two parents and the joining of male and female gametes during fertiliza...

Q: _____is a quick way of describing a complex disorder. (fill in the blank)

A: The interaction of various enviromental factors and multiple genes causes complex diseases in humans...

Q: 3) Cross a pea plant that is short and has green seeds with a pea plant that is heterozygous tall an...

A: Given Parents: a) short pea plant with green seeds and b) heterozygous tall pea plant with heterozyg...

Q: Discuss how you will limit your exposure to th bacterial cultures you will be using.

A: To avoid exposure to bacterial cultures, standard laboratory procedures are used. When working with ...

Q: Human culture______________________.

A: Culture is defined as the characteristics and knowledge of a specific group of people, encompassing ...

Q: 5. Describe the difference between how identical twins and fraternal twins (non-identical) produced ...

A: Introduction :- The term "twins" refers to two children born from the same pregnancy and delivery. M...

Q: Determine the isoelectric point of myofibrillar proteins here in this experimental data

A: myofibrillar proteins are proteins found in muscles that help to contract them, comprising roughly 3...

Q: . a. A mouse cross A/a ⋅ B/b × a/a ⋅ b/b is made, and inthe progeny there are25% A/a ⋅ B/b, 25% a/a ...

A: Meiosis is a type of cell division that reduces the number of chromosomes in the parent cell by half...

Q: Stratigraphy is the oldest method that archaeologists use to date artifacts. It is based on the Law ...

A: Stratigraphy It refers to the study of rock layers and layering. It studies the sedimentary and laye...

Q: What does Lactaid provide which allows this person to eat ice cream?

A: Lactaid is a enzyme supplement that helps the people who has trouble digesting the dairy products. 

Pre-Darwinian Concepts