Q9. Here is a hypothetical evolutionary tree showing domestic and wild pigeon populations. If this were the real tree (it's not), how many times would you infer that pigeons have been domesticated within the populations measured here? Wild Pigeon 31 Domestic Pigeon 24 Domestic Pigeon 15 Wild Pigeon 12 Wild Pigeon 10

Q: Hi! I am struggling and I need to do a Cladogram and one Morphology and DNA but separate! 9lease…

A: A cladogram is the diagrammatic representation of the different clades which shows the relationship…

Q: Haemophilia A is a severe coagulation disorder that shows X-linked recessive inheritance. Red-green…

A: Hemophilia is typically an inherited bleeding disorder where the blood does not clot properly. This…

Q: Adjacent plant cells have narrow channels called plasmodesmata that pass through the cell walls of…

A: Introduction: Plasmodiumdesmata, which are somewhat cylindrical in shape, are lined by the plasma…

Q: Which among the following statements is CORRECT? The thylakoid membrane, in the chlorophyll,…

A: Introduction Stroma is important as it consists of enzymes required for the fixation of carbon…

Q: How many ribosomes are required (at a minimum) for the translation of trpE and trpC from a single…

A: The tryptophan operon is made up of a collection of genes that are transcribed and encode the…

Q: Explain why digestion with EcoRI and Hindlll might give more than one insert fragment with some of…

A: Introduction Restriction endonuclease or restriction enzyme cut the double stranded DNA at a…

Q: Which of the following statements related to the Calvin Cycle is CORRECT? Six molecules of G3P are…

A: Calvin cycle is the part of photosynthetic reactions, where carbon is fixed into sugar. This…

Q: Determine the process that can be performed to distinguish the genes involved in general stress…

A: Finding the genes that are activated or inactive in response to osmolarity variations requires…

Q: If you were a genetic counselor and had a patient with MERRF who wanted to have a child, what kind…

A: "Myoclonic Epilepsy with Ragged Red Fibers (MERRF syndrome) is a rare mitochondrial disorder." The…

Q: Melvin, ace biology student, is m hypertonic" and "hypotonic" mean. Melv nembrane. The figure shows…

A: Hypertonic hypotonic and isotonic solutions are solutions which refers to the tonicity or a measure…

Q: The antibiotic, tetracycline was serially diluted (2-fold dilutions), starting with tube #1 (100…

A: Serial dilution is a mathematical way of lowering the concentration of any solution in a gradual…

Q: what is the mode of respiration in listeria monocytogenes?

A: Listeria monocytogenes is a human pathogen, that after being ingested through intake of contaminated…

Q: 1. The biological value of cellulose for the gastrointestinal tract.

A: The digestive system consists of solid organs like the liver, pancreas, and gallbladder as well as…

Q: A mutant haploid strain of Saccharomyces cerevisiae (yeast) called cox2-1 was found that was unable…

A: S. cerevisiae is utilized as a prototype in biological sciences to examine conserved processes…

Q: Arthur may be fed up, but he's absolutely necessary. Explain why cells need Arthur and his co-worker…

A: DNA is the genetic material in most living organisms.

Q: Assumptions: . If the parent expresses the trait, they are homozygous dominant If the child/children…

A: In genetics, the genes forms the basic hereditary units of life. The genes has two alternate forms…

Q: DNA m RNA 5-ATGTCTGGATAG-3' 3-TACAGACCTATC-5' DNA Transcription mRNA synthesis) 5'-AUGUCUGGAUAG-3'…

A: Introduction : DNA consists of double stranded helix. The two strands are antiparallel to each…

Q: In the mismatch repair pathway, DNA damage is recognized by

A: DNA mismatch repair pathway in short known as MMR. It recognizes and repairs base to base mismatch,…

Q: Explain the entire process of DNA replication.

A: Introduction :  The biological process of producing two identical copies of DNA from a single…

Q: Please check all the proteins that would likely have a nuclear localization sequence: Histones TATA…

A: Nuclear localisation sequence in short 'NLS' is an amino acid sequence which tags a protein for…

Q: Which is the best possible hypothesis for explaining changes in cortical robusticity over time? a.…

A: The correct option is: The Increasing cortical robusticity associated with appearanceof morden…

Q: Multiple choices:  Question: Handedness (whether you are right or left-handed) shows a 79%…

A: Introduction Handedness in humans Handedness is defined as  the better, faster, or more precise…

Q: C. Use of Antimicrobials - Disk Diffusion Method + Antibiotic used Ex. Amoxicillin E15 -…

A: An Antibiotic is a chemical substance used to inhibit bacterial growth or it is used to kill…

Q: Insulin is a hormone that regulates the concentration of glucose in the circulatory system by…

A: Insulin is a hormone that is produced by the beta cells of islets of Langerhans in the pancreas.…

Q: What advantage(s) if any, do flower clusters have over that of single flowers?

A: Flowers are the reproductive structure that are very important in case of sexual reproduction.…

Q: Some muscle cells contain several nuclei per cell. Which of the following provides the most likely…

A: all multicellular cell organization develop through cell devision. cell devision in on cell form two…

Q: The figure below represents the relative amount of nuclear DNA during different segments of…

A: Cell division is a phenomenon in which parent cell splits and gives rise to novel cells.  Number of…

Q: Why are severe mitochondrial or chloroplast gene mutations are usually found in heteroplasmic cells…

A: Introduction  A mutation is a change to an organism's DNA sequence. Mutations can be the result of…

Q: What is blooddd cell

A: Living things are organised into a hierarchy with numerous levels ranging from the smallest…

Q: Regarding the analysis of single marker STR results used in forensic science. Tick all the correct…

A: Short Tandem Repeats (STR) are the specific location in chromosomes used for forensic analysis. In…

Q: In eukaryotes there is not a consistent relationship between the length of the coding sequence of a…

A: DNA is 2.2 m long molecule in human beings.  It is converted to mRNA via process of transcription.…

Q: Three morphological trends seen in the origin and evolution of modern humans include____. a.…

A: The correct answer is- b. decreases in relative brain size and body size, and a decrease in skeletal…

Q: In 1988, neurologists in Australia reported the existence of identical twins who had developed…

A: Myoclonic epilepsy is a type of epilepsy that is characterized by myoclonic seizures. Myoclonic…

Q: An 82 year old women was admitted to the hospital with the back and left rib pain. Radiographic…

A: The SSA test is the sulfosalicylic acid test. This is a part of the urinalysis which again the test…

Q: Diabetes type .....is characterized by.....effectively be managed by diet and exercise. 1 (one); an…

A: Diabetes is a chronic illness brought on by either insufficient insulin production by pancrease or…

Q: Discuss how the body uses/processes alcohol and state why alcohol is good or bad for an athlete in…

A: The metabolism of alcohol is controlled by both environmental and genetic factors. The differences…

Q: 13. What is the effect of the following in the DNA isolation process: affect isolation solution…

A: DNA isolation is a process through which the intact DNA of the organisms is extracted and used for…

Q: Given that these respiratory pathogens have a diameter of 0.1 mm and have been associated with…

A: There are various microscopic organisms in nature. Few of them are bacteria, viruses, or fungi. They…

Q: This is not giving me a direct answer on what color will the eyes be off the offspring??

A: Here homozygous condition of dominant alleles 'BB' and heterozygous condition for dominant condition…

Q: Can you send me the website or where you got this information so I can read further please

A: Photosynthesis and cellular respiration are two of the vital biochemical processes that are…

Q: When is gelatin used in culture media preparation?

A: Gelatin is a protein with a consistent molecular structure that is mostly produced by the…

Q: The following are official combinations of electrolyte infusions EXCEPT:     Oral Electrolyte…

A: Introduction Electrolytes are chemicals that conduct electricity when mixed with water.…

Q: A B D C

A: A Removable Partial Denture(RPD) is basically a denture for a partially edentulous patient who have…

Q: The movement of glucose across the plasma membrane is determined by: a. Electrochemical gradient O…

A: Plasma membrane is the selectively permeable membrane, which allows the movement of only selective…

Q: 27) A tRNA is activated when it A) attaches to mRNA. B) attaches to its specific amino acid. C)…

A: A form of RNA molecule called transfer ribonucleic acid (tRNA) aids in the translation of a…

Q: Glycolysis Pyruvate Oxidation Citric Acid Cycle Oxidative phosphorylation Total Molecules produced…

A: Cellular respiration involves breakdown of glucose and production of energy in the form of ATP. In…

Q: Assuming that the mean size of the human sau3AI partially digested fragments clones is 3kb,…

A: Human sau3AI is a tool used to help predict and diagnose disease. It is a blood test that looks for…

Q: The High Mobility Group (HMG) proteins are architectural regulators of DNA. Many HMG proteins are…

A: The question asked is how phosphorylation effect the binding affinity of HMG proteins to DNA.…

Q: In general, what is known about the prevalence of Hepatitis C, and how it can be transmitted?   2.…

A: Answer 1. With around 2 to 3% of the world's population carrying the illness, HCV is growing more…

Q: Explain the significance of the difference in the number of chromosomes.

A: The thread-like cell structures known as chromosomes are located in the nucleus of cells. The…

Communities and Ecosystems

Ecology contains two words: Eikos means dwelling, and logy means to study, so the combined meaning is studying habitat or living.