Answer:
If an organism has a recessive phenotype for a trait following simple Mendelian inheritance, there is only one possible genotype that can be attributed to them. For example green eyes (C) is dominant over grey eyes (c). If an organism has blue eyes, the only possible genotypic combination is (cc), as there cannot be any presence of the dominant gene.
Final answer:
If an organism has a recessive phenotype for a trait following simple Mendelian inheritance: it means that the organism's genotype contains two recessive alleles, also known as being homozygous recessive.
Explanation:
An organism with at least one dominant allele will have the phenotype of the dominant allele, meaning that the recessive trait will only be exhibited when both alleles for the trait are recessive. This is consistent with Mendel's law of segregation, which states that allele pairs segregate during gamete formation and randomly recombine during fertilization.
In practical terms, if both parents are carriers of a recessive trait, there is a 25% chance for each child to express the recessive trait.
This can be demonstrated with a test cross, where an organism with a dominant phenotype (if heterozygous) is crossed with an organism that is homozygous recessive, potentially resulting in a 1:1 ratio of the offspring displaying the dominant to recessive phenotype.
What is the significance of the fact that there are air molecules in a medium?
Answer:
The molecules in the air can be displaced by a force creating sound waves. Vibrations generally travel faster in a solid compartment than as in gases.
NC State is a community that is strong because of the diversity of our perspectives and experiences. Please describe how you could contribute to or benefit from campus diversity.
Answer:
One thing that I can contribute to the NC State Community campus diversity is my culture and my background.
I’m a first-generation American born Nigerian. My parents are from Nigeria and relocated to America some years before I was born. This as lead to basically two influences in my life, the influence of the Nigerian culture from my parents and my community, and the influence of the U.S. culture.
Basically, these are the two influences in my life, I had to mix the varying unique ways to living into one and take good advantage of life out of both worlds.
At majority of the time, my beliefs align with the beliefs of a typical Nigerian but at other times I see myself conflicted due to the varying or separate backgrounds.
I believe in living a day at a time and to enjoy the present moment so as to get the best from both backgrounds which has structured me into the person I am today.
Contributing to or benefiting from campus diversity at NC State involves actively engaging with different perspectives and experiences to enrich the community and prepare for a globally diverse workforce. This includes sharing personal experiences, supporting inclusivity efforts, and developing an understanding and empathy toward diverse backgrounds.
Explanation:Contributing to or benefiting from campus diversity at NC State involves understanding and engaging with the multitude of perspectives and experiences present within the community. Embracing diversity means more than just acknowledging different demographic backgrounds; it involves actively participating in a community that appreciates and learns from these differences. Adding to this diversity could mean sharing personal experiences and perspectives that are less represented on campus, thereby enriching the academic and social environment for everyone. It could also involve engaging with and supporting efforts that aim to make the campus a more inclusive space, such as partnering with the Diversity Office or participating in events that celebrate different cultures and identities.
From benefiting from campus diversity, one can gain a broader understanding of the world, develop greater empathy and communication skills, and prepare for a global workforce that values diversity and inclusivity. In turn, contributions to diversity can take many forms, such as advocating for greater representation within the university, contributing to the creation of more inclusive curricula, or simply being an active and empathetic participant in conversations about diversity and inclusion.
In muscles, ATP is generated by glycolysis from two sources of glucose. One source is glucose that is broken down from glycogen stored in the muscles, and the other is from glucose that is taken up from the blood. Which of the following statements is true? A) A net 3 ATPs are generated per glucose from glycogen instead of a net of 2 ATPs from glucose taken up from the blood B) a net 2 ATPs are always generated per glucose regardless of its source C) glycogen is broken-down into UDP-glucose D) glucose only comes from glycogen α(1,4) links and not α(1,6) branches E) none of the above
Answer:
The answer is B a net 2 ATPs are always generated per glucose regardless of its source
Explanation
Glycogen breaks down in the muscle so as to have enough glucose for muscle contraction and it produces 2ATPs
Glycogen also breaks down in the liver to release enough glucose which gets to the blood stream and is then taken up by other cells. It also produces 2ATPs at the expense of 6ATPs
In dogs, black fur is dominant to white fur. Two heterozygous black dogs are mated. What would be the probability of the following combinations of offspring in a litter of six pups?
a) All with black fur.
b) Four with black fur and two with white fur.
c) At least two of the pups having white fur.
d) The firstborn pup with white fur, and among the remaining five pups, three with black fur and two with white fur.
This problem uses the concepts of Mendelian genetics and binomial probability to calculate the chances of various offspring combinations regarding black and white fur in dogs, assuming that the parent dogs are heterozygous for the trait.
Explanation:In this case, we are making use of the principles of Mendelian genetics to determine the probability of different outcomes when two heterozygous black dogs are mated.
a) As each pup is an independent event, the probability of an offspring being black is 0.75 (3 out of 4 possibilities). The likelihood of all six pups being black then is (0.75)^6 = about 0.18, or 18%.
b) For four black fur and two with white fur, this is a binomial probability case. Using the binomial coefficient, it works out to (6 choose 4)*(0.75^4)*(0.25)^2 = about 0.32, or 32%.
c) The probability of at least two of the pups having white fur is 1 minus the probabilities of having none or only one white puppy, which works out to 1- [(6 choose 0)*(0.75^6)*(0.25^0)+ (6 choose 1)*(0.75^6)*(0.25)] = about 0.89 or 89%.
d) For the firstborn pup with white fur, and among the remaining five pups, three with black and two with white, it would work out to (0.25)*(5 choose 3)*(0.75^3)*(0.25^2) = about 0.10 or 10%.
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In 1906, Harden and Young, in a series of classic studies on the fermentation of glucose to ethanol and CO 2 by extracts of brewer's yeast, made the observations inorganic phosphate was essential to fermentation; when the supply of phosphate was exhausted, fermentation ceased before all the glucose was used; during fermentation under these conditions, ethanol, CO 2 , and a sugar phosphate accumulated; when arsenate was substituted for phosphate, no sugar phosphate accumulated, but the fermentation proceeded until all the glucose was converted to ethanol and CO 2 . Which enzyme of glycolysis requires inorganic phosphate and, therefore, stops when no phosphate is available
Answer:
The enzyme is Glyceraldehyde-3-phosphate-dehydrogenase. (GAPDH). It is the enzyme that converts Glyceraldehyde-3-phosphate to D-glycerate 1,3-bisphosphate; the sixth Glycolytic pathway for breaking down glucose to ethanol, C02 in Glycolysis. This enzyme requires inorganic phosphate as substrate for the catalytic reaction to proceed. Since enzymatic reactions take place by forming enzyme-substrate complexes, absence of the inorganic phosphate substrate ; stops the conversion and progress of fermentation .
"Consumers do not typically perform an LCA before making a purchase, though they might use the results from an LCA that have been summarized on a label or on a company's website.____________-
Answer:TRUE
Explanation:LCA(LIFE CYCLE ASSESSMENT) is a system through the life cycle or shelf life of a product is assessed,it is usually done by regulatory bodies,the manufacturers of the product to enhance the knowledge and know the possible duration of use of a give product.
Life cycle assessment helps to value a product as it helps to determine the pricing of the product or services by the consumers. The higher the life cycle the better the pricing.