You spread a small amount of a water sample from the environment on an enriched media agar plate. After 24 hours, the plate is covered with many small yellow colonies. Does this plate contain a pure culture of bacteria?

Q: Why is it important that in an aquatic environment, there are several receptors?

A:

Q: Examining how populations lead to new lineages that arise based on alterations to allelic frequency ...

A: Evolution is defined as the change in trait of individuals over a period of time.

Q: Answer the following: 1. Which pieces of DNA are the most informative? Why? 2. Explore the concept o...

A: Note: Here I answer number 2 only as mentioned by student. 

Q: Why are models useful to understand ecological systems? Group of answer choices They allow for inve...

A: Ecological systems have a group of species/organisms and form an interaction among themselves as wel...

Q: What is chimera in recombinant dna How we can make chimeric gene Is chimeric gene is related to gmo ...

A: Recombinant DNA (rDNA) is a technique for copy and pasting DNA sequences of interest using enzymes. ...

Q: In your own words, kindly give the function and allowable limit (if applicable) of each of the follo...

A: Kabocha Squash- Kabocha squash is full of nutrients, boosts immune system, prevents diabetes. Treats...

Q: A gardener harvested 3,697 seeds from cross breeding a pure line red-flower petunia and pure line wh...

A: The characteristic that initially shows up or is shown in the organism is known as the dominant trai...

Q: MOLECULAR CLONING • Molecular cloning is the laboratory process used to create recombinant DNA. • It...

A: Recombinant DNA: it is a method of combining two distinct DNA (molecule) sequences, which may or may...

Q: Which is considered a true breeding plant? A. AABBcc B. AaBbCc C. AABBCc D. AaBBCC

A: The genotype of an organism is the genetic composition. The diploid organisms have two sets of chrom...

Q: Compared to a 3% agarose gel, how far should the same size DNA travel in a 1% agarose gel? not as fa...

A: The DNA has a uniform mass proportion, DNA particles are isolated by size inside an agarose gel in a...

Q: particular bacterium requires techoic  acid in its medium in order to grow. What would the bacterium...

A: B. cell wall

Q: Where does photosynthesis take place in prokaryotes such as Cyanobacteria?

A: Photosynthesis is the process by which plants produce oxygen and energy in the form of sugar by comb...

Q: Define the following terms: Predator Prey Population

A: Introduction: Ecology is the branch of biology that deals with ecosystem (interaction between organi...

Q: Assuming that independent assortment occurs during meiosis, what type(s) of gametes will form in ind...

A: A gene is a fundamental unit of heredity, holding coded information associated with a certain functi...

Q: Which terrestrial biome is characterized by having very cold winters, short summers, and only small ...

A: Biogeography is the science that documents and attempts to explain the patterns of distribution of p...

Q: Outline five (5) Biomedical Engineering devices and their applications

A: There are few important points about Biomedical engineering are as follows: It is a field in which ...

Q: Radishes may be long, round, or oval, and they may bered, white, or purple. You cross a long, white ...

A: A dihybrid cross can be utilized to show the inheritance of characteristics to the offspring when pa...

Q: Label the axons, dendrites, and soma of the nerve cell. Then, give a short description of this cell....

A: Nerve cell/Neuron It is an electrically excitable cell that processes and transmits information by ...

Q: . Consider the nursing student has AB, Rh negative and her current husband has O, heterozygous Rh po...

A: The blood groups of the child from an AB-ve mother and O+ve father will be, Lets first predict the b...

Q: A. List some invertebrates who are endotherms B. How can something be ectothermic but also maintain ...

A: A) Like most other birds and mammals, humans, polar bears, penguins, and prairie dogs are endotherms...

Q: What is the critical photoperiod? How can the critical photoperiod of flowering be experimentally de...

A: Introduction In this question we will write about the critical photoperiod and how can the critical ...

Q: What is the role of the cuticle in the successful propagation of nematodes?

A: Nematodes belong to the phylum Nematoda under the Animalia kingdom. These are free living and Parasi...

Q: Where do spindle fibers attach on a chromosome? O cell plate meristem centromere What happens to the...

A: Introduction :- Spindle fibres are a type of protein that divides a cell's genetic material. During ...

Q: 13 10 13, ATLAS (caudal view) AXIS (left side) 16 CERVICAL (caudal view)

A: * Turtles reptiles also known as Testudines. *A shell is formed from their ribs. *turtles are divide...

Q: trace a glucose molecule from starch sitting in the small intestine to a body cell. What is the role...

A: A transepithelial transport mechanism, begun at the apical membrane by the cotransporter SGLT-1, tra...

Q: What effect does the drug have on the chromosomes

A:

Q: Because snapdragons (Antirrhinum) possess the pigment anthocyanin, they have reddish purple petals.T...

A: Introduction: When none of the factors of a gene is dominant, the phenotype of a heterozygous domina...

Q: How do plants control the opening and the closing of stomata?

A: Introduction: There are small openings on the lower surface of the leaves. These pores are called st...

Q: why is recombinant DNA is possible becuase we know dna molecules from all organisms share the same c...

A: Yes, it is true that all organisms indeed share the same basic structure of all molecules. But by ev...

Q: Which of these is measured by placing a dollar value on different aspects of biodiversity? Group of ...

A: Biodiversity: it represent the all types of life forms exist in this natural world including animals...

Q: How is a phylogenetic “bootstrap value” calculated? Simplify and show the steps

A: Bootstrap value in phylogenetics is the value out of 100,which is the number of times the same branc...

Q: Where on the tree did lungs (or lung derivatives) evolve? Group of answer choices D C A E B

A: Phylogenetic tree of chordates is given in the question. Phylogeny depicts the evolutionary relation...

Q: Click on your screen over the DNA polymerase III enzyme depicted on the lagging strand. Replication ...

A: Introduction :  DNA replication is the process through which daughter  DNA is formed from parental D...

Q: If the true inheritance pattern was a normal Mendelian dihybrid cross, it would be more likely to re...

A: * Mendels dihybrid cross : *Dihybrid cross  means crossing  between two different genes that has two...

Q: What is myocardial infarction (a heart attack)?

A: Myocardial infarction is determined as a heart attack which results from the blockage of flow of blo...

Q: Do individual organisms survive exposure to a toxic chemical because they are “mutated” by the chemi...

A: A gene is the essential physical and functional unit of heredity. They are comprised of DNA (deoxyri...

Q: Ear Drum Cochlea Oval window (i) Give the biological term for the part labelled 'A' and state its fu...

A: Ear is one of sensory organ and it helps in hearing, postural equilibrium and head-eye movement coor...

Q: What is the purpose of using an “outgroup” when reconstructing a phylogenetic tree

A:

Q: With a dihybrid cross, now many individuals would you expect, out of 16, to show BOTH dominant trait...

A: Introduction:- A breeding attempt between two creatures that are identical hybrids for two traits is...

Q: Briefly explain the importance of several receptors in aquatic environment. Provide concise examples...

A: Environmental receptors: they are used in ecological risk assessment. 

Q: Complete the process of the blood flow through the heart by filling in the missing terms in the diag...

A: The heart is responsible for transporting blood throughout the body. The arteries are responsible fo...

Q: Most of the feathers of erminette fowl are light colored, with an occasional black one, giving a fle...

A: Gregor Johann Mendel is usually defined as the way that they are been regarded as the father of gene...

Q: Please list different types of glands and different purposes for them

A: Glands are of two kinds  exocrine endocrine exocrine glands release their secretions directly into...

Q: In 1965, Jon Beckwith and Ethan Signer devised a method of obtaining specialized transducing phages ...

A: Introduction: An operon is a functioning unit of genomic DNA that contains These a genes group of ge...

Q: Meaningful evolution occurs when __________. ○ a heritable trait affects survival and fitness ○ a ...

A: Evolution is the change in the characteristics of a species over several generations and relies on t...

Q: In which phase are chromosomes not visible? O prophase O anaphase interphase O metaphase

A: Under the microscope, gross changes are not accompained during interphase of cell cycle. In interpha...

Q: Name two reasons that a large national park like Serengeti or Yellowstone might not be enough to eff...

A: Biodiversity refers to the variety of plant and animal life in the world or in a particular habitat,...

Q: the greatest amount of oxygen? #analyze Water off the coast of Vancouver Island at 8°C Air at an ele...

A: As the height increases the oxygen concentration decreases. So with the increasing elevation the amo...

Q: Based on the docomentary entitled 'meet the Virus Hunters: Before the Next Pnademic Strikes" by CNA,...

A: The virus hunters is a documentary that shows the effectiveness of a disease to spread and cause a p...

Q: Direction: Complete the Venn Diagram. In the outer circles, write the difference between negative an...

A: Negative feedback: A control system that helps the body maintain homeostasis by sending a signal to...

Microbial Growth

The development of microbial growth is influenced by various natural conditions (both physical and synthetic) like pH, temperature, saltiness, gas focus (O2, CO2, and H2), nutrients, water action, and assimilation. Knowing the distinctive physical and chemical factors that influence the development and endurance of microbial growth in the climate will assist with reinforcing endeavors outfitted towards their control. These lines lessen or diminish their harmful impacts on humankind, creatures, and the climate.