Q: 4. characterize the physical-chemical properties of environmental contaminants related to their beha...
A: Contaminants are substances that reduce the quality of air, water and land and cause pollution.
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: 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: Which one of the following features is common to both RNA and DNA? Contain just four types of bases ...
A: DNA and RNA both are nucleotides that contain genetic information of the organism. RNA is produced f...
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: #2 How does the atmosphere protect us from harmful ultraviolet radiation? #5 Explain how and where a...
A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question s...
Q: When testing for the presence of drugs in a person's system, a false negative means:
A: When testing for the presence of drugs in a person's system, a false negative means: that there are ...
Q: In the U.S., which of the following drugs is most commonly used? nicotine cannabis O alcohol O cocai...
A: Cannabis.option (b)
Q: an you please help answer this question?
A: the speed of the deer is increased to satisfy their hunger. Some salamander species emerge from thei...
Q: How can a suspect bacterium be fingerprinted?
A: DNA fingerprinting is a technique for detecting a high number of minisatellites in the genome at the...
Q: The first human cells to be successfully cultured were derived from a malignant tumor. Do you think ...
A: Human body contain numerous cells . Each cell perform their own task . It contain nucleus . Nucleus ...
Q: Define the Regulation of gene expression in bacteria ?
A: All the cells contain genes in them. Genes carry the information on hereditary material. Genes are p...
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: Could a cell function if it were not enclosed by a selective barrier (i.e., a plasma membrane)?
A: Introduction: Cells are the building blocks of all living beings. Prokaryotes and eukaryotes are two...
Q: Albinism is a recessive trait where an individual does not produce the pigment melanin. A man and wo...
A: Albinism is an autosomal recessive mutation caused due to deficiency of tyrosinase enzyme , a copper...
Q: d on the given transgenic organism, give a brief explanation on the alterations of the organism
A: A plant, animal, or microorganism whose genetic material changed using technology that generally inv...
Q: levels of protein organization
A: Amino acids are molecules that combine to form proteins. Amino acids and proteins are the building b...
Q: . Circle & Name functional groups H. C-C-N H. CH2 но CH H,C CH3 HICI
A: A functional group is a collection of atoms in a molecule that have chemically different characteris...
Q: 5 uses of Isotopes in the medical field
A: Introduction Isotopes are elements that share the same atomic number (protons) but have differing ma...
Q: oxygen absorption rate in a fermentation process.
A: Experimentally oxygen uptake determined by several process like Gas balancing method Yield coeffi...
Q: Adaptive radiations can be a direct consequence of three of the following four factors. Select the f...
A: Introduction Adaptive radiation is a force in which organisms rapidly develop from an ancestral spec...
Q: How genes store genetic information ?
A: Introduction: Genetic information must be passed on from one generation to another, be it a eukaryot...
Q: Write the advantages and disadvantages of applying such application in the DNA of an organism. 2. D...
A: According to the question, we have to write down the advantages and disadvantages of applying such a...
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: How do we know that DNA repair mechanisms detect and correct the majority of spontaneous and induced...
A: Introduction: When it comes to its base makeup and DNA sequence, the genetic macromolecule known as ...
Q: What things should a parent/doctor/child consider when deciding if someone should go on puberty dela...
A: Pubertal blockers are medications or hormone supplements that stop or block the signal from the brai...
Q: Describe how electrical stimulation is used in a cochlear implant, in motor prostheses, and in reduc...
A: The cochlear implant, which uses electric currents to directly stimulate the auditory nerve in a com...
Q: Describe the phenomenon of pyroptosis. How does it differ from apoptosis and necrosis?
A: Introduction :- The process of programmed cell death is known as apoptosis. It is utilised to destro...
Q: Identify the monomers for the following polymers A.) Maltose B.) Sucrose C.) Lactose
A: INTRODUCTION The monomer of the polymers is given below.
Q: In tomatoes, red fruit is dominant over yellow, two-loculed fruit is dominant over many-loculed frui...
A: There are different types of crosses that can be observed in nature. One the crosses is monohybrid c...
Q: 2. In tomatoes, 2 pairs of genes affect the phenotypes of ripe fruit with the following alleles. R =...
A: Genotype is the genetical makeup of the organism for suppose TT tall trait, Tt heterozygous tall. Tt...
Q: Define the significance of Barbara McClintock’s mobile controlling elements ?
A: When Barbara McClintock found that some genes may be mobile in the late 1940s, she shattered preconc...
Q: Covid-19 variants is an example of evolution in response to environmental change. Using another exam...
A: Introduction :- Evolution is defined as the descent with modifications . It is a continuous and grad...
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: SPLIT DNA mRNA TRNA Codon Anticodon Amino Acid A T C G G C A T A G T A A
A: The DNA is the genetic material that is responsible for the production of RNA transcription process....
Q: Chemotrophic energy metabolism is a catabolic and exergonic process that produces ATP from oxidizing...
A: Chemotrophs are organisms that get energy through the oxidation of electron givers in their environm...
Q: A presumed dihybrid in Drosophila, B/b ; F/f, is testcrossed with b/b ; f/f. (B = black body;b = bro...
A: Answer : Based on the date given : expected frequencies comes to be : 222.30 each for black forked ...
Q: #5 Explain how and where auroras occur in the atmosphere. #7 Describe the interaction between the at...
A: An atmosphere is a layer of gas that surrounds a planet and is kept in location by the gravity of th...
Q: 5. In garden peas, gray seed color (G) is dominant to green (g). The following data were collected. ...
A: Gene expression is the mechanism through which genetic code is used to create a functioning gene pro...
Q: 4. What would be the phenotypes, phenotypic ratio, and gen kids, if the mother is heterozygous freck...
A: An Individuals receive two variant of each gene from their parent. These variant form of a gene are...
Q: Describe and compare (advantages and disadvantages) of TWO methods to determine oxygen absorption ra...
A: Fermentation process can be observed in the environment on a daily basis.(Example: Fermentation by l...
Q: How does the cell theory contribute to our understanding of the evolution of life?
A: All the living and non living organisms amicably inhabit the troposphere of the Earth. All biotic an...
Q: Why is fatigue strength important for metallic biomaterials?
A: A biomaterial is described as a substance that has been designed to take a shape that is utilized to...
Q: Why is E. coli O157:H7 an organism of concern in contaminated foods? The strain is represented as O...
A: E.coli is a prokaryotic organism (bacteria) found in intestine of animals including humans, this bac...
Q: Do you observe any abnormalities in cultivated crops?
A: Answer : The cultivated crops are the crops which are planted or grown by the humans and are also ta...
Q: 2. In tomatoes, 2 pairs of genes affect the phenotypes of ripe fruit with the following alleles. R= ...
A: Phenotypic ratio: Gene expression in future generations of organisms can be predicted using the phe...
Q: Identify the following polysaccharides for each of the following uses: a.) Plants i.) Cell wall ii.)...
A: Polysaccharides are made up of more than 10 monosaccharide units that are joint together by glycosid...
Q: Which of the following statements best summarizes the difference between ectothermic and endothermic...
A: Answer : Ectotherms absorb external heat, but endotherms use metabolic heat to maintain a warm, stea...
Q: How is DNA replication initiated in prokaryotes and eukaryotes? How is this process controlled and r...
A: Deoxyribonucleic acid (DNA) is the genetic material found inside a cell's nucleus. The production of...
Step by step
Solved in 2 steps
- Cancer cells evade immune surveillance. What "strategies" can cancer cells use to escape NK cells?How are the activities of natural killer cells and phagocytes similar and diff erent?List two different types of phagocytes. How do Tcells and B cells differ in their functions? From where inthe human body do all of these cells originate and whichrequire maturation before they are functional?