In salamanders, sirens, hellbenders, amphiumas and mudpuppies, the caudal vertebrae extend backward in a normal series much like the tails of many other vertebrates. ©Udo M. Savalli

Q: How do the structure and function of rough ER differ from those of smooth ER?

A: The endoplasmic reticulum is membrane bound organelle consisting of delicate branching and anastomos...

Q: Effects of GSI on NOTCH1 and NICD1 expression?

A:

Q: Can pure culture be prepared directly from a mixed culture? Explain your answer.

A: A microbiological culture, also known as a microbial culture, is a way of multiplying microbial orga...

Q: 4. Klariz, a 28-year-old woman with type O blood and Ricci, a 30-year-old man with type AB blood are...

A: Introduction: • The genotype is the set of genes in DNA responsible for a trait. In a way it refers ...

Q: How much work is it to obtain such a large progeny sizein corn? Which of the three genes would take ...

A: Introduction: Mendel discovered three laws describing the inheritance of factors from the parental g...

Q: Two wild-type rabbits each have the genotype of EeHh. E is the dominant allele (for normal size) and...

A: Introduction: A dihybrid cross describes a mating experiment between two organisms that are identica...

Q: 5 points A woman is phenotypically female but has a Y chromosome. Further tests find a deletion in h...

A: People usually have X and Y as sex chromosome. Women have two X chromosome while boys have one X chr...

Q: Which of the following are variable terms in the discrete-time logistic model? ΔN Δt rmax,d t N...

A: Variable: the value which is changed during simulation. Any value that can be changed over time is c...

Q: Part 2. You perform the cross of the two EeHh rabbits and get the offspring shown below Wild type (n...

A: The chi-square test is the test done to know whether our data fits in one of the Mendelian ratios. I...

Q: b. Illustrate Darwin's explanation of natural selection above using fish, bird, insect, or plant as ...

A: Introduction :- Charles Robert Darwin was born in the English town of Shrewsbury. He spent the major...

Q: How did cyanobacteria end up with two photosystems?

A: Photosystems are complex proteins that are basic structural and functional units to carry out a phot...

Q: If you were a part of the research teams conducting such phenomenon (the SARS-CoV-2 vaccines testing...

A: Vaccine: it is also known as disarmed pathogen because, it is made up of weakend, killed, fragmented...

Q: what would happen internally if you relied on salty ocean water for survival.

A: ANSWER: Seawater contains salt. When humans drink seawater, their cells are thus taking in water an...

Q: 5 points A couple have a son with the recessive X-linked condition, hemophilia A. What are the genot...

A: Answer - option a. genotype of the father is X^A Y, and genotype of mother will be X^A X^a, and neit...

Q: 2) Cross a pea plant that is heterozygous for purple flowers and homozygous dominant for yellow seed...

A: Heterozygous purple flower: Pp Homozygous dominant yellow seeds: YY Homozygous recessive green seeds...

Q: Define about cyclic adenosine monophosphate (cAMP) ?

A: Introduction: cAMP is abbreviated for cyclic adenosine monophosphate. It is generally formed when th...

Q: Compare methods that biologists use to study cells and point outthe ways in which many of these appr...

A: A cell is the smallest unit of a living thing. An organism is a living creature that is made up of o...

Q: A nonsense mutation Select one: a. results in a larger protein being produced from the mutated gene ...

A: Introduction :- There are a number of disorders known to be caused by nonsense mutations, including:...

Q: Do cultivated plants suffer from disease just like humans

A:

Q: Define about DNA Transposons ?

A: DNA is a material found inside cells that transports genetic information and transmits it from gener...

Q: In what ways do the functions of the cytoskeleton differ from those of the endomembrane system?

A: Introduction: Cells are the fundamental unit of life. They are modified in different ways to carry o...

Q: why the Gram stain can differentiate between Gram positive and Gramnegative cells?

A: *Gram staining is a technique used to differentiate two groups of bacteria into gram positive and gr...

Q: Why are short bones well suited to an area like the wrist? Why are long bones more suited to areas l...

A: Bones provide structural support to the human body.

Q: Discuss how you will limit your exposure to th bacterial cultures you will be using.

A: To avoid exposure to bacterial cultures, standard laboratory procedures are used. When working with ...

Q: Differentiate the various types of culture media for the growth of microorganisms: synthetic, comple...

A: Culture media, also known as growth media, are specific mixtures of nutrients and other substances t...

Q: 1. Explain the pattern of inheritance and write in the genotypes of the numbered individuals. (a) (b...

A: The autosomal dominant or X-linked dominant disease is called single gene disorder as the disease re...

Q: The following recombinant frequencies were found between genes A, B, C, D, and E. Determine the orde...

A: Mapping of linked genes on the chromosomes can be done by using the percentage or frequency of recom...

Q: Describe each stage of the developh fertilized egg to blastocyst stage

A: Sperm migrate from the vagina through the cervix and uterus to the fallopian tubes, where one sperm ...

Q: WHAT ARE THE USES OF THE FOLLOWING MICROSCOPE AND THEIR RELEVANCE IN THE MEDICAL FIELD? -COMPOUND MI...

A: Microscope is an equipment that enable us to see magnified version of minute specimen and objects. D...

Q: what is sex and what are the steps of doing it ?

A: Sex is a type of response that comprises four distinct phases and these are: Excitement Plateau Org...

Q: 1. Draw and describe the possible result that may be observed on an agar plate that utilized a 4-str...

A: When information indicates that the  microorganism is micrococcus.

Q: 5) List the stages of fetal development and what happens at each stage.

A: Every month, a female body goes through a reproductive cycle. This cycle can terminate in one of two...

Q: Which of the following is the most likely treatment of choice?

A: Answer : Since pus formation indicates the present of infection, therefore treatment would involve p...

Q: Explain the relationship between protein folding and protein function.

A: A three-dimensional configuration of a protein is called its structure. Protein folding takes place ...

Q: Why are chemical stains required for visualizing cells and tissues with the basic light microscope?

A: Cell staining is a technique that is used to better visualize cells and cell components under a micr...

Q: How long does it take to get in shape? When answerin consider the following: What factors account fo...

A: If you’re consistent about working out and dieting properly for a period of 3-4 months,  At 6 to 8 w...

Q: Indicate whether the statement is TRUE or FALSE. 1. Coulter counter method will produce an overesti...

A: Coulter counter method is employed for counting the blood cells in a sample giving a complete blood ...

Q: A 5mL sample diluted 1:1 with trypan blue is counted using a hemocytometer. A total of 325 viable ce...

A: The hemocytometer is a counting chamber device originally designed and usually used for counting blo...

Q: Use an example to explain how cells can control enzyme activity.

A: Enzyme-linked receptors are present on the surface of cells and their intracellular domains are asso...

Q: State the concept of Isolation of the Repressor ?

A: Jacob and Monod propose a negative control strategy in which certain genes, called regulatory genes,...

Q: Using appropriate examples, explain how environmental factorsaffect enzyme activity.

A: Enzymes are referred to as molecules of proteins that helps in increasing the metabolism rate and th...

Q: How antiterminator hairpin is formed ?

A: Introduction: An operon is defined as a group of genes that have a common promoter and regulator and...

Q: What is the relationship between the bases displayed when the arrow is pointed to the left versus wh...

A: Q.4 ans)Relationship between the bases displayed when the arrow is pointed to the left versus when i...

Q: Trace the path of proteins synthesized in the rough endoplasmic reticulum as they are processed, mod...

A: The Golgi apparatus, also known as the Golgi complex, is a factory where proteins from the ER are fu...

Q: Is zygote a living being? Discuss it in the sense of the properties of life.

A: Zygote It is the cell resulting from the fertilization of a secondary oocyte by a sperm.  The secon...

Q: Memory is stored in what part of the brain

A: Solution : Memory is the faculty of the brain by which data or information is encoded, stored, and r...

Q: Why can wet soils occur both near the equator, where rainfall is high, and at high latitudes, where ...

A:  wet soils occur both near the equator, where rainfall is high, and at high latitudes, where rainfal...

Q: "Polymerase binding is never very efficient unless CAP is alsopresent to facilitate the process". Ex...

A: A functional unit of DNA comprising a cluster of genes controlled by a single promoter is called an ...

Q: The function of proteins can be regulated in a number of ways. What is cooperativity, and how does i...

A: Proteins are massive biomolecules and macromolecules made up of one or more long chains of amino aci...

Q: Mr. Fede runs an experiment to see if eating fatty foods raises cholesterol He uses two groups of ra...

A: Fat provide essential fatty acids that is important for healthy life. But, excess intake of fat for ...

Marine Evolution

Marine habitat is less explored, and hence, its biological diversity is far less known. The marine habitats are not constant due to their shifting nature, while the terrestrial habitats are more stable. Marine biology is the science that deals with the study of diverse marine species, their interactions, and behavioral characteristics.