How many CFU per ml are there in the original sample using the following dilution and plating series? Make sure to label all dilutions that were done.

Q: a Punnett square s

A: The Punnett square is a square diagram that is used to predict the genotypes of a particular cross o...

Q: A mutation occurs in a species of lizards and some males are born without a dewlap. After four gener...

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

Q: 79. PCR is a useful tool for early diagnosis of an infectious disease. Comment.

A: Introduction From the above question we will comment on PCR which is useful tool for the early diagn...

Q: In this module, we learned about G protein function as a binary switch.  G proteins have an intrinsi...

A: The heterotrimeric alpha subunit of the G protein (Gα), first recognized as a regulatory GTPase acti...

Q: Why does chromosome 21 come first before chromosome 22? If chromosome 21 is smaller than chromosome ...

A: Chromosome diseases are genetic illnesses caused by chromosome mutations. Chromosome diseases are ca...

Q: Label the following diagrams. (c) Scenedesmus (d) Volvox Differentiate the structure between genus (...

A: Scenedesmus: 

Q: what is the difference of FISH and karyotype?

A: FISH stands for Fluorescence In-Situ Hybridization. Karyotyping is a method of preparation of comple...

Q: Drag each label to the appropriate position to identify whether the given vessel directly arises fro...

A: Aorta is the main artery which carries blood from heart to different parts of the body. 

Q: B A EPSP EPSP IPSP Y Axon - hillock Axon- Will it be likely to produce an action potential in neuron...

A: As per bartleby guidelines we are suppose to answer only 3 subparts of a particular question please ...

Q: How many DNA copies will be produced after 18 runs of PCR? 36 copies of DNA 262,144 copies of DNA O ...

A: Polymerase chain reaction (PCR) is a technology that is used to target specific DNA fragments and ar...

Q: Please answer fast Imagine 4 hypothetical parasites that use humans as a definitive host that have ...

A: Introduction :- A parasite is a creature that lives on or in its host and feeds on or at the expense...

Q: Statement 1: Gene cloning is a process used to obtain many copies of a particular gene or large amou...

A: Answer : Option (1) is correct. Both statements are true.  

Q: 8 .About the Mitochondria ,what is wrong? „A. Are the pour houses of the cell, B.Generate most of AT...

A: Introduction: Mitochondria:Mitochondria are membrane-bound cell organelles that produce the majority...

Q: A2SRF OPBRF

A: Cyanobacteria are aquatic and photosynthetic bacteria. These are unicellular and grow in colonies.

Q: the

A: The sodium potassium pump is a mechanism of active transport that moves sodium ions out of the cell ...

Q: In the data given, it is all about measuring the concentration of salt solution using salometer in d...

A: Introduction: Distilled water is water that has many of its impurities removed through distillation....

Q: Label the following diagrams. (a) Spirogyra (Vegetative stage) 會 (b) (c) (d) (b-d) Spirogyra (Sexual...

A: Answer  Spirogyra diagram labelling 

Q: 7) The Human Genome project cost billions of dollars to complete. What was it and do you think it wa...

A: For long, many people thought of the Human Genome Project as biology's "moon shot." The United State...

Q: Activities for pyruvate kinase and lactate dehydrogenase in the vastus lateralis were high. Relate t...

A: Pyruvate kinase is the enzyme that catalyse the last step of glycolysis.  It leads to the conversion...

Q: controlled by genes. START: DNA is short for in the nucleus of each cell. There are 23 pairs.. deoxy...

A: Cells are the basic structural and functional units(building blocks) of an organism. There are about...

Q: Why plant disease diagnosis is important in plant pathology?

A: Plant diseases are mainly caused by bacteria, viruses and filamentous moulds. 

Q: The thermodynamic properties governing the surface tension between water molecules and the grains of...

A: Solution :: Developmental biology is about the study of embryo to adult formation from step to step ...

Q: Thoroughly explain the difference between simple diffusion, facilitated diffusion, and active transp...

A: Simple diffusion is a type of passive transport which as the name suggests, is simply the unassisted...

Q: The cutting and burning of tropical rain forests leads to which of the following? 1. Addition of CO2...

A: Rain forests play a critical role in keeping our Earth's atmosphere healthy by absorbing carbon diox...

Q: Explain how the host responds to the infection of pathogens.

A: Answer :- There are several ways tothe host responds to the infection of pathogens are as follow :- ...

Q: to study microorganisms .  CITE YOUR REFERENCES.

A: Following are the parts of compound microscope:  1. Foot or base   It is a U-shaped structure and su...

Q: 4/ Gluteraldehyde solution is a common stabilizer for electron microscopy examination * True False 1...

A:  Glutaraldehyde has many functions such as it acts as a disinfectant, medication, preservative, and ...

Q: nich of the following is NOT a way to estimate a person's biological sex? sexual attraction reproduc...

A: In nature mainly there are two sexes males and females. In human beings the two sexes can be differe...

Q: In a mendelian monohybrid cross the F, generation shows identical genotypic and phenotypic ratios. W...

A: F1 would be heterozygous for the characteristic and exhibit the dominant allele in a monohybrid cros...

Q: Activity 5.2 Match This To0 Directions: Match the following terms in Column A with their definitions...

A: Definition:  Original horizontality -  it suggests all layers of rock are originally deposited horiz...

Q: accounts for the heredity variation in human height? Explain your

A: Solution : Polygenic inheritance   Human features like height, eye color, and hair color c...

Q: ifferentiate signs vs. symptoms of plant

A: A sign of plant disease is physical evidence of the pathogen. For example, fungal fruiting bodies ar...

Q: how to prepare salt and sugar solutions as packing media for canned fruits and vegetables?

A: Answer :- To prepare salt and sugar solutions as packing media for canned fruits and vegetables the ...

Q: muscles,

A: Muscles are soft tissues. Many stretchy fibers make up your muscles.muscles help you run, jump or pe...

Q: The unlabeled structure (marked by the red arrow), would in fetal life (A) transport deoxygenated b...

A: The ligamentum venosum originates from the ductus venosus and is also called arantius ligament. 

Q: 1. Adult Ephemeroptera has stigma on its wings. true/false 2. Gracillariidae is a leaf-mining moth...

A: 1. Yes, it's true, they have pterostigma on its wings. Stigma or Pterostigma is a Dark ,more or less...

Q: There is only one possible sequence of amino acids when deduced form a given nucleotides. But multip...

A: Because some amino acids are coded by several codons (a phenomenon known as degeneracy of codons), d...

Q: 11) Following meiosis the basidiospore will contain: a) 4 haploid nuclei b) 2 haploid nuclei c) 4 di...

A: A basidiospore is a reproductive structure that is formed by fungi Basidiomycete which contains cert...

Q: Explain how an inherited mutation can have different impacts on future offspring depending on which ...

A: The fact is that some genes in the genome are expressed on only one copy even though two copies of t...

Q: Many commercial herbicides act by inhibiting photosynthetic electron transport. They are investigati...

A: Herbicides are small molecules that inhibit specific molecular target sites in plant biochemical and...

Q: Explain how this Situations, technology has examples, and/or changed the way scenarios where humans ...

A: In genetic modification; various techniques are used which enables the DNA from different sources to...

Q: 1. All hymenopterans have narrow waists. true/false 2. Trichopterans have scales on their wings.  ...

A: Answer 1st answer true 2nd answer false

Q: Look at the three types of survivorship curve in your textbook (Fig 3). Which of the survivorship cu...

A:

Q: Fungi and animals are both part of a group called Opisthokonta. The vast majority of fungi are multi...

A: These consists of a wide range of eukaryotes which consists of both animals and fungi. Previously th...

Q: problem are we trying to avoid by using mutation and inversion? How does each approach accomplish

A: Answer :: Step 1 A change in the nucleotide sequence of a chromosome or genome is called mutation. T...

Q: can cells tolerate errors made in transcription in comparison to errors made during DNA replication?

A: RNA polymerase lacks proofreading activity, so the probability of error is more than that of DNA pol...

Q: You've ordered and received your "primers" for your PCR. Now what? In your new role as an MLA your b...

A: A primer is a short, single-stranded DNA sequence which is used in the polymerase chain reaction (PC...

Q: Make a conclusion and recommendation about to the students who are unable to use laboratory for biol...

A: A compound microscope is defined as:  'A microscope with a high resolution and uses two sets of lens...

Q: Which of these is NOT major evidence of endosymbiosis? A. Mitochondria and chloroplasts store DNA. B...

A: Option d is not supporting endosymbiotic theory because organelles like mitochondria and chloroplast...