Cells can make the non-essential amino acids. To do so, they need a specific enzyme. Which of the following activates the enzyme that allows cells to make non-essential amino acids? O niacin O iodine ascorbic acid O choline O pyridoxal phosphate

Q: Different stains have different affinities for different organisms or different parts of organisms. ...

A: Hematoxylin is used to stain nucleus while Eosin used to stain cytoplasm.

Q: When it comes to adaptation, survival of a species' trait through artificial selection depends on a)...

A: In artificial selection, human influence is involved.  This is identified by humans of desirable tra...

Q: Compare the body of a flatworm tha a sponge and jellyfish. How are they similar and how are they dif...

A: Sponges They belong to the phylum Porifera. These are multicellular organisms. Their bodies are full...

Q: What are the advantages and disadvantages of using the Slide Culture technique?

A: Slide culture technique is mainly utilized for the preparation of fugal colonies. Fungi are consider...

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: What is the difference between a cell strain, a cell line, and a clone?

A: All living organisms are made up of highly organized structures known as cells and the cells are des...

Q: of Offspring Human blood type is determined by multiple alleles: A, B or O. Blood types also shows t...

A: A gene's forms are referred to as alleles. A gene usually has two alleles: recessive and dominant, a...

Q: This was one of Galileo’s observations?  A. Venus goes through phases B. Our sun orbits the center ...

A: Galileo's discoveries supported that the sun, not the earth, was the center of the universe.

Q: Please answer fast Odessa clovis                     AUGCAUGGUACAGGA O. allystair                 ...

A: DNA utilizes four bases, adenine (A), guanine (G), cytosine (C), and thymine (T), in its code. RNA a...

Q: available to you). Summarize the results of your research on table 1.4. The first item is given as a...

A: Introduction: Transgenic Organism or Genetically Modified Organisms (GMO) is an organism whose genet...

Q: One form of male sterility in corn is maternally transmitted. Plants of a male-sterile line crossed ...

A: Genetics or hereditary qualities is the investigation of genes and heredity of how certain character...

Q: A female Australian shepherd with droopy ears (dd) and grey spotting (ss) is mated to a male dog wit...

A: Answer : the moat likely genotype of the male parent dog will be :  b)  DdSS.      Here the puppies ...

Q: Regarding meiosis: select all correct statements: Sister chromatids are segregated from one another ...

A:

Q: Whats transpiration

A: Because stomatal apertures are required to allow carbon dioxide towards the leaf interior and to let...

Q: Explain the role of redox reactions in electron transfer chains

A: The oxidation of reduced coenzymes into their oxidized forms is known as terminal oxidation because ...

Q: Where are stomata found?  What kind of cells make up stomata?  What is the function of stomata/guard...

A: # I have answered here only 1st and 2nd question . Please send questions one by one in the portal.  ...

Q: Identify one environmental problem. Diagram all the fields of specialization needed and state resear...

A: Recent studies suggest that a decrease in dissolved oxygen level in the water became a serious threa...

Q: What advantage does the parotoid gland give a toad?

A: The parotoid gland also spelt sometimes as parotid gland commonly appears as a bulge on toads, frogs...

Q: Q8. Why do you think it takes three lines to display the amino acid information? Hint: remember that...

A: Amino acids are the building blocks of protein. Proteins are long chains of amino acids. Our body ha...

Q: ow do bacteria reproduce and transfer genetic materials?

A: Genes are the smallest and most fundamental unit of heredity since they convey genetic information e...

Q: Predict the level of genetic activity of the lac operon aswell as the status of the lac repressor an...

A: Lac operon is regulated by positive and negative control.  

Q: Briefly describe some of the defining features of the birds, reptiles, amphibians and mammals classe...

A:

Q: Illustrate and explain the following using a diagram: 1. Three ways that carbon can enter the ocean...

A: Cabon is a chemical element placed in position 6 in the periodic table, its atomic number is 6 and h...

Q: A man with Type AB blood is married to a woman with Type O blood. They have 2 natural and one adopte...

A: The Punnet square is a square diagram made out of four boxes arranged in a grid. Reginald C. Punnett...

Q: Describe at least two ways energy transformed rock matter as Devils Tower formed.

A: Introduction:- Like a granite sentinel, Devils Tower towers over the surrounding grassland and ponde...

Q: What is the formula for interference? How are the “expected” frequencies calculated in the coefficie...

A: The process of determining the locations of genes on chromosomes is known as gene mapping. Linkage a...

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: Why does a eukaryotic cell need both membranous organelles and fibrous cytoskeletal components? Just...

A: The nucleus of a eukaryotic cell is surrounded by a nuclear membrane, which carries well-defined chr...

Q: Omar and Aleema are expecting a baby and discover they are both carriers for the autosomal recessive...

A: Sickle cell anemia is a inherited Group of disorder where shape of red blood cells turns in sickle s...

Q: paramecium's

A: An organism that can not be seen through the naked eye and we need an microscope to see this organis...

Q: Which of the following best states a condition which promotes natural selection of a species? Group ...

A: Natural selection is a process through which the population of living organisms adapt and change. Fo...

Q: A man with type A blood marries three times. His first wife is type B. They have three children, typ...

A: For blood group A = genotype IAIA or IAI For blood group B = genotype IBIB or IBI For blood group AB...

Q: Give an example of application of recombinant DNA in the following fields: crop production, medicine...

A: Answer - Recombinant DNA (r DNA) is a technique by which we cut and paste DNA sequence of interest u...

Q: Describe some of the ecological roles that simple animal- sponges, jellyfish, worms - and more compl...

A: Ecosystem An ecosystem, also known as an ecological system, is an area in which live species interac...

Q: dominant trait (coded "T") with shortness as the recessive trait (coded "t")

A: The parents will have genotypes as TT( homozygous tall parent ) and Tt( heterozygous tall parent )  ...

Q: 1. A man with type AB blood is married to a woman also with type AB blood. Show the cross by complet...

A: The probability - A blood - 25% B blood- 25% O blood-0% AB blood- 50%

Q: Describe metabolic pathways

A: Metabolism is the process by which our body makes energy from the food which our body is consumes. T...

Q: Define the Comparison of Gene Activity ( +or -) in the Presence or Absence of Lactose for Various E....

A: The expression of the lac operon is regulated by operator sequence and repressor protein.

Q: Why is the Salk vaccine not going to chaise a disease?    -it has been altered to evade the immune ...

A: The vaccines are either complete viruses that have been inactivated so that these can not cause the ...

Q: Why might the longevity of an ISC be left to chance?

A: There are a number of factors that affect longevity and these are: Gender Genetics Crime rates. Hyg...

Q: What types of similarities in cell structure and function tell biologists about the common origin of...

A: Introduction  Taxonomy is the branch of science that deals with the classification of organisms in h...

Q: Regarding meiosis: select all correct statements: Homologous chromosomes are segregated from one ano...

A: Meiosis is a cell division process in which a single cell splits twice to produce four cells, each c...

Q: How would you be able to determine if an angiosperm plant is a monocot or a eudicot? Seed leaves Le...

A: In angiosperms or flowering plants the pollen grains and ovules are developed in specialised structu...

Q: Explain briefly why the 100X objective lens of the light microscope is immersed in  oil.

A: The ability of a microscope to reveal an image that is numerous times larger in size than the origin...

Q: A. DNA Replication Construct a DNA with 15 base pairs. (Note that the first three nucleofides of the...

A: DNA(Deoxy ribonucleic acid) is a double stranded helical structure which is made up of phosphate gro...

Q: answer

A: Anthropogenic climate changes stress importance of understanding why people harm the environment des...

Q: And how do these effects of nature and nurture interact?

A: The importance of genetics and biological effects is frequently emphasised in biological psychology....

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: In the accompanying pedigree, the vertical lines stand for protan color blindness, and the horizonta...

A: Answer :  As seen in the inheritance pattern, both the conditions show presence only in males. This ...

Q: 2. A woman has blood-types A and M. She has a child with blood-types O and M. The following men, hav...

A: The ABO and MN blood group system is based on the presence of specific antigen on the plasma membran...