Describe some environmental health hazards you may be living with indoors. How may you have been affected by indoor or outdoor hazards in the past? How could you best deal with these hazards in the future?

Q: Name three major types of water pollutants, and provide an example of each. Explain which classes of...

A: The three major types of water pollutants are: Toxic chemical: The waterways, as well as the coasta...

Q: The allele b occurs with a frequency of 0.8 in a population of giraffes. Give the frequencye of geno...

A: The alleles are the alternative forms of a gene that are located on the same locus of a homologous c...

Q: Illustrate and describe the life cycle of the following:  Ancylostoma duodenale

A: Introduction: The infective stage of Ancylostoma duodenale to humans is known as filariform larva. T...

Q: What do you think will happen to the accumulated lead metals of the plants after a successful phytor...

A: Phyto remediation is the process by which plants are used to removes pollutants in the soil. The pla...

Q: What criteria are used in the biological species concept to define a species? Choose all that apply....

A: The classification system divides the organisms on the basis of their looks, habitat, behaviour. the...

Q: Use an example to explain how a change in the environment canfavor a mutation that had previously be...

A: Mutation means change in DNA sequence.The factors which are responsible for mutation know as mutagen...

Q: How is the early diagnosis of genetic diseases usually done?

A: Introduction: Genetic diseases are caused by genetic abnormality i.e. absence of one or more gene/ p...

Q: Describe 4 features that distinguish animals from other kinds of organisms

A: Both plants and animals show high degree of diversity. plants constitute the plant Kingdom. similarl...

Q: If you had a dialysis tube that contained 1.0M sucrose solution and you put it into a beaker contain...

A: Introduction :    Water movement from high concentration to low concentration solution through semi ...

Q: 14. Juan is comparing organisms A, B, and C. Ā and B have many of the same characteristics. But they...

A: Taxonomy is the study of organism categorization, it is the grouping (division) of all known species...

Q: Fluids Motor Mechanism/Processes (Heterotrophic Mode of Mechanisms /Circulation Mechanisms Nutrition...

A: The number of plant species to be described has not been specified.

Q: BUTTERFLY WING AND BIRD WING. 4. What function do the se structures share? 5. How do the structures ...

A: The structures with similar Anatomy , morphology , embryology , but different functions are called a...

Q: Total Number of Amino Acids Different from Human Cytochrome c Chicken - 7 Pig - 6 Horse - 7 Dog ...

A: Introduction: Cytochrome c (Cyt c) is a protein that is most typically found in higher species, and ...

Q: In pea plants, purple flowers (P) are dominant over white flowers (p).  Being tall (T) is dominant o...

A: In a dihybrid cross, 2 traits are crossed. Here the 2 traits are flower colour and plant height.    ...

Q: A researcher was mutating prokaryotic cells by insertingsegments of DNA. In this way, she made the f...

A: A mutation is a permanent change in the DNA of a cell such that the sequence deviates from what is m...

Q: 17. Which of the following situations below show an example of colored-to tubes interfering with the...

A: The following situations show an example of colored-top are tubes interfering with the assay are: E...

Q: Explain how natural selection drives microevolution

A: Natural selection is a process of adaption of an organism to its environment, Microevolution include...

Q: Explain why smaller populations are more vulnerable to the lossof genetic diversity

A: Genetic diversity is the sum of an organism's overall genetic traits at the gene level. It is not th...

Q: A human gene was initially identified as having three exons and two introns. The exons are 456, 224,...

A: Part A.

Q: 1. Illustrate the Life cycle of each of the organ- dwelling trematodes. (1 liver fluke, 1 intestinal...

A: Note: To illustrate life cycle of each of these will become very long, so request you to repost the ...

Q: Distinguish between taxonomy and phylogeny

A: *Taxonomy is the study of classification of organisms into taxa by arranging them in highly ordered ...

Q: When there is temperature difference between two systems, there will be a transfer of thermal energy...

A: Heat transfer It is the transfer of heat energy between the two systems. It is related to the genera...

Q: Use examples to explain sexual selection and its outcomes.

A: Sexual selection is a type of natural selection in which members of one biological sex choose mates ...

Q: 6. A portable E-cylinder of oxygen has 1760 psig. In approximately what time frame will the cylinder...

A: There are different forms of oxygen cylinder that can be found in the market. Some of the forms incl...

Q: 8. Which field of science deals in naming and classifying organisms? a. Cladistics Taxonomy c. Syste...

A: The technique that groups life organisms that share determined characters is called cladistics. Taxa...

Q: Discuss the following: Lysogeny establishment in bacteriophage lambda Lysogeny mentainance in bacte...

A: This phenomena is first elaborated and explained by French biologist André Lwoff in the early 1950s....

Q: Distance of color diameter (mm) 20 15 KMNO, 0.1M - KMNO, 1.0M - 5. 15 45 09 75 Time (minutes) 06

A: * The molecules movement in  agarose gel is dependent on the  size  charge  *And pore size also ma...

Q: In Cell division of sex cell; why it is necessary to undergo or complete the Meiosis I and Meiosis I...

A: Answer :- In cell division of sex cell it is necessary to undergo or complete the Meiosis I and Meio...

Q: 8. The following diagram represents the Christmas-tree-like structures during transcription. On the ...

A: Introduction: A single nucleic acid strand has a backbone composed of repeating pentose-phosphate un...

Q: 1. a. One pair of wings... -go to 2 b. Two pairs of wings... 2. a. Hind wings reduced to tiny knobs....

A: There are few points about dichotomous key for insects are as follows: On the basis of observable ch...

Q: Which is required for a population to evolve?a. genetic diversity c. gene flowb. selection pressure ...

A: Evolutionary theory provides a unified framework to explain the similarities and differences among l...

Q: ture or false    The CO2 rebreathing method for measuring cardiac output can be used with strenuou...

A: *CO2 rebreathing method is used to measure the cardiac output. *Cardiac output by this method is bas...

Q: Identify 5 common characteristics of transcription and replication

A: Transcription is a process in which the information in the template strand of a DNA is copied into a...

Q: In a populationof manatees, short whiskers are recessive to long whiskers. There are estimated to be...

A: The ideal population is found in Hardy Weinberg equilibrium. The population is not facing any migrat...

Q: Choose all of the structures in fern plant life cycle that are haploi

A: Life cycle of Fern is as follows: - New Sporophyte (matures into>) Mature Sporophyte(undergoes m...

Q: General Biology 1 Talk in great detail and length about the four stages of cellular respiration. The...

A: There are four stages of cellular respiration:  Glycolysis, The link reaction, The Krebs cycle oxida...

Q: What is the primary function of the sigma factor? Is therea protein in eukaryotes analogous to the s...

A: SIGMA FACTOR : are RNA polymerase detachable polypeptide component. Eukaryotic transcription factors...

Q: Assume that a mutation occurs in the gene that encodes RNA pol II. What would be the effect of the m...

A: A "nucleic acid" is a linear polymer of nucleotides that is a component of the cell's information tr...

Q: Using the new sequencing platforms as examples discuss how DNA sequencing technologies have evolved ...

A: Dna sequencing g is highly essential for the researchers and the scientists to understand different ...

Q: 5. Define reduction 6. What is the role of NAD*/NADH in cellular respiration?

A: The chemical reactions which involve the transfer of electrons from one chemical substance to anothe...

Q: Epinephrine stimulates a variety of adrenergic receptors. Which of the following receptors when stim...

A: The adrenergic receptors (α1, α2, β1, β2, β3) are a type of G protein-coupled receptors and many cat...

Q: So in Florida and New York biomes/environment what do they have? Alaska biome is it tundra or alpine...

A:   Introduction :  Biome is a community of plant animals that have common features for the environmen...

Q: What are the conditions for coevolution to occur?

A: Introduction :- The concept of  "coevolution" refers to situations in which two (or more) species ha...

Q: Please answer fast the population density (n) changes as a function of the current population densi...

A: The logistic population growth can be calculated by : dn/dt =r n (k-n/k) Where dn/dt is the populati...

Q: What is genetic equilibrium?

A: The situation of an allele or genotype in a gene pool (such as a population) where the frequency doe...

Q: During the Triassic and Jurassic period of the Mesozoic era, gymnosperms dominated the land. However...

A: INTRODUCTION Angiosperms are plants that produce flowers and bear their seeds in fruits, whereas gym...

Q: In what ways can you use aseptic technique principles in your daily life to preserve a healthy lifes...

A: According to the question we have to explain the ways by which we can use aseptic technique principl...

Q: Why is a balanced frequency of different alleles of a gene in a population more useful for the survi...

A: Introduction :- A variable form of a gene is known as an allele. Some genes exist in several distinc...

Q: Evaluate marine protected areas and reserves as solutions for conserving biodiversity

A: With the sole aim of conserving endangered marine species, marine protected areas and reserves have ...

Q: If there is 50 bacterial colonies on a 1:1000 dilution streak plate. How many cfu/mL are there?

A: Introduction: A CFU stands for colony-forming units. It is a unit that we use for estimating the num...