1. How Spallanzani’s experiment different from Needham?

Q: Label the cell types found in the skin.

A:

Q: Jean is the mother of Dani, Lelia, Jose and Pam. Alex could be the father, You use PCR analyze 2…

A: Agarose gel electrophoresis can be used for analyzing and sorting DNA fragments depending on size.…

Q: Using the designed forward and reverse primer from Question 23-30, you performed PCR to amplify the…

A: The first step in designing a PCR primer to amplify the CO1 gene of S. tawilis and S. malengi is to…

Q: Describe in detail the three steps within the PCR reaction 2. Why do you also perform analysis on…

A: The very potent technology known as the polymerase chain reaction was created by researchers by…

Q: When Cas9 cuts DNA, it is a Question DNA 40 Listen ◄ Protein When a spacer binds to it's target DNA…

A: In the 1980s, Kary Mullis invented the groundbreaking technique known as the polymerase chain…

Q: Construct a cladogram showing possible evolutionary relationships among: Platyhelminthes Nemertea…

A: A phylogenetic connection is the examination of how organisms in a species or group have changed…

Q: During mating season, male rams compete with each other for access to females.  This describes…

A: Introduction:- Sexual selection is the selection of those traits by nature that increases the mating…

Q: Which of the following is FALSE in processing DNA sequences using MEGA? Raw DNA sequences must…

A: The Molecular Evolutionary Genetics Analysis(MEGA) is a software that is developed for comparative…

Q: Which of the following statements about trp operon regulation is TRUE? A. Low trp levels result in…

A: Lac Z is a gene that encodes the enzyme β-galactosidase, which catalyzes the hydrolysis of lactose…

Q: 51. A codon consists of bases and specifies which A. Four...amino acid B. Three....amino acid 52. In…

A:

Q: The problem of replicating the lagging strand of DNA is solved through the use of Group of answer…

A: Okazaki fragments are fragments of DNA that are formed during the process of DNA replication. They…

Q: A diet rich in and vitamin C, iron, anemia vitamin D, iodine, hypothyroidism vitamin C, proteins,…

A: Autoimmune hypothyroidism is linked to low vitamin D levels. In the long run, healthcare…

Q: 2. Use the pairwise table to draw a phylogenetic tree of these five animals on your poster board.…

A: The phylogenetic tree is the diagrammatic representation with branches which helps in understanding…

Q: Figure 1. Maximum Likelihood Tree (branch style: traditional-straight) of Sardinella species…

A: The phylogenetic tree is a tree diagram showing the evolutionary relationships of organisms, how…

Q: 2. According to the phylogenetic tree, which of your fishes are most closely related to each other?…

A: Seawater is denser than freshwater, marine fish have smaller swim bladders than freshwater fish. The…

Q: Some individuals are immune-compromised because their bodies do not make enough T-cells. What is the…

A: T cells are a type of lymphocytes, which help the body fight against infections along with other…

Q: Above Below Which stage of cellular respiration is being shown here? [Select] [Select] B Is the…

A:

Q: Based on the results depicted above, what do you conclude about your hypothesis? Give specific…

A: Introduction:- The respiration and metabolism in an organism can occur, either in the presence or in…

Q: 31. Josef Köreuter's tobacco plants demonstrated incomplete dominance. When he crossed a tall plant…

A: A trait is a characteristic feature that is unique to specific individual. It is illustrated by…

Q: The thyroid gland is the "master" gland of the endocrine system. True False

A: MASTER GLAND: The gland that controls the functions and secretions of other glands is known as a…

Q: If the cell receives 4 glucose molecules and oxidizes them through aerobic cellular respiration: 5…

A: Among monosaccharides, glucose, a kind of carbohydrate, is the most prevalent. Aerobic respiration…

Q: If a disease determined by autosomal recessive heredity occurs at a frequency of 0.04 in a…

A: Hardy-Weinberg equilibrium is a mathematical equation that describes the frequencies of alleles and…

Q: How might climate change impact the incidence of a disease? Use a specific example to illustrate…

A: The disruption of food systems, rise in zoonoses and food, water, and vector-borne diseases, as well…

Q: Question: Which statement is TRUE about the phylogenetic tree below? 74 79 0.020 79 100 -Sardinella…

A: As we can see, S. fimbriata and S. albella are derived from same branch point (96), therefore they…

Q: A collagen chain is a long Gly- and Pro-rich left-handed helix where three collagen chains…

A: Collagen is the most prevalent protein in our body, providing a foundation for most of our body's…

Q: Explain the postulated mechanisms involved in an (atopic) asthmatic attack. What are the clinical…

A: Asthma is a long-term lung condition that is caused by narrowing of the airways when they become…

Q: Do your results match your predictions for a population at Hardy-Weinberg equilibrium? What would…

A: Hardy-Weinberg's principle: It states that in the absence of any disturbing factor, the genetic…

Q: Free Energy A+B a. Progress of the Reaction Line that represents energy of activation without enzyme…

A: Activation energy is the minimum amount of energy that is required by a reactant to convert it into…

Q: Storage of excess carbohydrates in the diet in the form of fat would have helped human populations…

A: A large number of cross-sectional as well as prospective and retrospective studies have found a…

Q: What kind of marine life exists at the central pacific ocean in hawaii (pelagic zone)? And can the…

A: INTRODUCTION : Marine life - Marine life includes all the flora and fauna( plant life & animal…

Q: Different finch species have different beak shapes and sizes. What is this evidence of? different…

A: Darwin's finches are little land birds, 13 of which are unique to the Galapagos Islands.   Despite…

Q: Under what conditions would you expect the lowest NPP in a terrestrial ecosystem?   a)Cool…

A: In a terrestrial ecosystem, both temperature and precipitatiin positively affect the net primary…

Q: Angiosperms are the outgroup on this phylogenetic tree. Group of answer choices a. True b. False

A: A phylogenetic, or hypothesized link between groups of creatures, is depicted in a diagram known as…

Q: 25) For Each of the following receptors indicate which type of sensory receptor it a. Male silkworms…

A: Sensory receptors are specialized cells that perceives a certain kind of stimulus. The sensory…

Q: ow has the invasion of zebra mussels in the Hudson River affected 1 biotic or abiotic factor in the…

A: Zebra mussels act as an invasive species. Invasive species are usually introduced from other…

Q: The average birth weight for human babies is about 3 kg, birth weight above or below shows increased…

A: The selective use of natural or artificial regulating factors to ensure the survival, reproduction,…

Q: 1. From one colony of E.coli, you have purified the DNA of a recombinant plasmid. You have…

A: The DNA is measured at absorbance 260 and 280nm, and the ratio of two readings will tells the purity…

Q: The electronic microphotography shows the structures in the for open vesicles, the inner surface of…

A: There are a few important points : We know that epithelial tissue consists of cells arranged in…

Q: Common ancestor of lineages A and B 23.6 Lineage A Lineage B t t t † t 3 2 Millions of years ago t 4…

A: A branching diagram or tree illustrating the evolutionary relationships among distinct biological…

Q: describe how and why maintaining the position of full knee extension limits the ability to maximally…

A: The muscles that aid in knee movement originate from the hip bone. Therefore, the movements of the…

Q: Is the following statement true or false? "Proteasomes are involved with various cell processes.…

A: The proteasomes are the complex of proteins called proteases that break down the unwanted proteins…

Q: Determine if the gene on the left is a proto-oncogene or tumor suppressor. APC p53 Ras [Choose]…

A: Proto oncogene These are genes that are involved in normal cell growth. Mutations in these genes may…

Q: Describe the function of eukaryotic enhancers in transcription.

A: Transcription is the process of converting information from one form into another. In biology, it is…

Q: In a hypothetical species of mice, the shaggy gene determines hair length. S is the dominant allele…

A: Hardy-Weinberg Equilibrium is a notion that scientists use to examine gene evolution in a certain…

Q: what are the cell structures of an animals in oder

A: Cells, the smallest unit of life, make up all living things. It is referred to as the structural and…

Q: Smooth muscle tissue is involuntary in function. True False

A: Introduction  The muscular system is primarily in charge of enabling movement of the body, upholding…

Q: Explain why a different influenza vaccine is necessary every year. How is this different from the…

A: A type of genetic variation in viruses called antigenic drift results from the accumulation of…

Q: 25. A bacteriophage virus infects a bacterial cell, causing the cell's own chromosomal DNA to become…

A: Gene transfer is a method in which genetic material is transferred from one organism to another…

Q: propose a biomaterial-based drug delivery system  for carrying targeted delivery of doxorubicin for…

A: A drug delivery system is a system used to deliver a drug to its intended target in a safe,…

Q: Mr and Mrs Flynn are concerned because their new baby doesn't resemble either of them and has type O…

A: Blood grouping systems -- are the the ways in which blood group is classified into different…

Pre-Darwinian Concepts