The first human cells to be successfully cultured were derived from a malignant tumor. Do you think this simply reflects the availability of cancer cells, or might such cells be better subjects for cell culture? Why

Q: describe the assumptions associated with estimating absorbed and biological effective doses.

A: The potential for biochemical alterations in specific tissues is assessed using the absorbed dose. T...

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: Connective tissues are somewhat similar to epithelial tissues in all of these characteristics EXCEPT

A: Q 1 Answer: the correct answer to this question is: d.Fibroblasts  A fibroblast is the most common t...

Q: Which of the following neurotransmitters does NOT have one NH2 unit in its structure? O serotonin O ...

A: Neurotransmitters are specific molecules that are released from the presynaptic neuron and responsib...

Q: what becterial cell structure serves as the site of antibacterial action? a. cell membrane b. nucle...

A: Note: As Per Bartleby Guidelines only first question is answered.For Further Answers Please Repost T...

Q: Humans have innate immunity for protection against pathogens that may enter the gut along with food....

A: Innate immunity also called natural or native Immunity, consists of   mechanisms that exist before i...

Q: Which statement(s) about human neuromuscular innervation is/are true? A. A single spinal motor neuro...

A: Introduction:- The neuromuscular junction (NMJ) is in charge of chemically transmitting an electrica...

Q: If heritability of dots is zero: Group of answer choices Offspring will have no dots. Offspring will...

A: The sum of all biological mechanisms by which certain features are passed down from parents to their...

Q: Identify the secondary structures present in the protein and its genes code MKKKVLALAAAITVVAPLQSVAF...

A: Proteins are large biomolecules that compose structural and motor elements of a cell, and also as ca...

Q: Briefly explain how differences in TWO specific traits make evolution in whales slow and evolution i...

A: The change in genetic material over time is called evolution. Mutations which are the changes in DNA...

Q: Rett's syndrome is an x-linked dominant trait. Sally's father has Rett's syndrome. She has the condi...

A: Based on the Punnette square, the first child of Sally and Harry will have 50% probability of having...

Q: What is the predominant ionic form of ribose-5-phosphate at physiological pH?

A: The predominant ionic form of ribose-5-phosphate at physiological pH is 5-Phosphoribosyl-1-Pyrophosp...

Q: le novo biosynthetic pathwa

A: A nucleotide is the basic building block of nucleic acids. RNA and DNA are polymers made of long cha...

Q: You can drink 12 Pabst Blue Ribbon beers at the biker bar that you hang out in every day without fee...

A: Option (b)  Cross tolerance

Q: How might we reconcile warnings of an impending mass extinction that biodiversity is not systematica...

A: Answer:-  Biodiversity loss is caused by five essential drivers: habitat loss, invasive species, ove...

Q: What is a DNA nucleotide? A chain of DNA subunits The building block, or basic unit, of DNA A deoxyr...

A: DNA is a double helical molecule. It is found in the nucleus of the cell in the chromosome. It acts ...

Q: 1a-Farmers often use pesticides to kill insects to protect their crops. However, insect populations ...

A: Pesticides can easily debase soil, water, turf, and other vegetation. As well as killing pests or we...

Q: Describe how direction is determined in nucleic acids. Also identify the "normal" direction that is ...

A: The nitrogenous bases are stacked in the interior in pairs, like the steps of a staircase; the pairs...

Q: Determine the probability of having homozygous recessive offspring if a homozygous dominant plant is...

A: We can determine the phenotype and genotype of offspring on the basis of Mendel's model on inheritan...

Q: A cross between homozygous purple-flowered and homozygous white-flowered pea plants results in offsp...

A: The father of genetics, famously known as Mendel, was responsible for proposing the laws of inherita...

Q: Define about lactose (lac) operon ?

A: The lactose operon also known as the lac operon is a set of genes that are specific for uptake and m...

Q: the patteren of this organ is used to distingiush the whelk from the periwinkle (6 letter word)

A: The periwinkle is the family Gastropoda and vary in size. Snail species live in a variety of habitat...

Q: Briefly describe two different environmental scenarios that influenced the spread of the dominant al...

A: The first environmental scenarios that the principal study includes a correlation of the resistance ...

Q: Give the structure of an LTR retrotransposon ?

A: DNA or deoxyribonucleic acid is a type of nucleic acid present in the nucleus of the cell. It is the...

Q: What are the physiological advantages in sport due to using testosterone? What are the physiological...

A: 1) The male sex hormone testosterone, is often dopped by athletes to enhance their performance in sp...

Q: What are the 4 major events comprising the process of fertilization?

A: Note: As Per Bartleby Guidelines only one question is answered. For further answers repost the quest...

Q: Genotype 0.37 0.94 1 1 1 1 Scenario 2 Migration Rate: __0.5____________   Migrant ‘R’ Alle...

A: Gene flow is the process where "the transfer of genetic material from one population to another". Ge...

Q: A significant number of mutations in the HBB gene that causehuman β thalassemia occur within introns...

A: A mutation occurs when the sequence of DNA changes. Mutations can occur as a result of DNA copying e...

Q: R Which cellular structures aid a plant when faced with limited water/hydration levels? Unanswered W...

A: The cellular structure which aid or assists plant when faced with limited water/hydration levels is ...

Q: 2. Is reassortment between just one avian strain and one swine strain of influenza likely to pose a ...

A: Swine flu and avian influenza are selective in the acidbinding compounds found in cell surface glyco...

Q: rts syste

A: DISCLAIMER : Since you have asked multiple question, we will solve the first question for you. If yo...

Q: The body mass index (BMI) of a 1.6-m tall woman who normally has 3 large slices of cheese pizza and ...

A: The time it will take for the BMI to fall to 20 depends on the needed weight loss and the daily rate...

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: List 3 functions of cerebellum. Describe the reflex arc mechanism.

A: The cerebellum is a part of brain. At the back side of brain or hind side of brain the cerebellum is...

Q: booster antigen 1 month after the initial inoculation, and collect antibodies (antiserum) 1 week lat...

A: Having considered how an appropriate primary immune response is mounted to pathogens in both the per...

Q: What part of the nerve cell sends signals away from the cell body O None of these is correct O Dendr...

A: Introduction :- A neuron, also known as a nerve cell, is a type of electrically excitable cell that ...

Q: Ascaris is good for chromosomal identification because     a.     Mitosis occurs every 0.5 seconds....

A: Ascaris is a type of roundworm.

Q: Explain further each number 1. Compare and contrast the sequence of fertilization events that take ...

A: Fertilization is termed as the process of meeting of male gametes with female gametes. The male game...

Q: In the Latin name Canis lupis , the "Canis" is the name of the corresponding: a. Species c. Genus 1....

A: “Since you have asked multiple question, we will solve the first question for you. If you want any s...

Q: Explain in detail, how Candida zeylanoides contaminate the ground beef?

A: Favourable Factors: -  low pH, low water activity, or high carbohydrate content These are the factor...

Q: Why is the narrow-sense heritability more useful to plant and animal breeders than broad sense herit...

A: Chromosomes  are present in the nucleus of the cell. These chromosomes have a number. The sum total ...

Q: Some enzymes function to breakdown harmful compounds that if allowed to accumulate could cause death...

A: Given that the substance if accumulated in the cell will be harmful and may even cause death until a...

Q: What is one way in which temporal changes in community species composition negatively impact deliver...

A: Our ecosystem has a significant role in sustaining life on the planet. So conservation of its biodiv...

Q: Radioisotopes are frequently used to label molecules in a cell. The fate of atoms and molecules in a...

A: The different biomolecules perform different functions within the cells. From the nucleus to the pla...

Q: State the part of eye that constricts or dilates based on the amount of light in the environment. A....

A: 1. Pupil helps in constriction and expansion based upon the amount of light present in our environme...

Q: carpal joint

A:   The carpal joints of the wrist connect the wrist's eight carpal bones with each other and the bone...

Q: The special cell line that gives rise to sperm and egg cells is called ____________. Group of answer...

A: DISCLAIMER : Since you have asked multiple question, we will solve the first question for you. If yo...

Q: What is known as repressible ?

A: Repressible was first documented by Ephrussi et al. in the 1930s, and it is useful for researchers t...

Q: How and when do reactions occur?

A:

Q: You cross two plants and get the following results: Recombinant progeny type A: 43 Recombinant proge...

A: Crossing over is the exchange of genetic material between non sister chromatid of chromosome causes ...

Cancer Therapy