Describe some of the key features of cytoplasmic inheritance. Why do traits that are inherited in this way have such a wide range of phenotypes?

Q: 1. What is the purpose of TNF-alpha and how would you use gel electrophoresis to measure the…

A: Tumour Necrosis Factor Alpha is a variety of inflammatory cytokine produced by the cells known as…

Q: Which protein helps form a ring complex to nucleate new microtubules? Beta-tubulin Delta-tubulin…

A: The cytoplasm of all cells, leaving apart that of bacteria and archaea, comprises or possess the…

Q: List one mode of inheritance consistent with the pedigree.

A: Pedigree analysis The Pedigree analysis shows the history of a family which includes observing the…

Q: In a testcross, the parent that is homozygous recessive for the genes being studied is called the…

A: ANSWER;-c)option C is correct. Explain;- A test cross is to test the genotype of an unknown sample…

Q: 1. What kind of typical pathological process (TPP) is developed in a patient? Give its definition.…

A: Chronic obstructive bronchitis : It is a chronic disease in lungs which causes shortening of breath…

Q: Draw a eukaryotic mRNA that has been fully processed. Label the key parts including the Kozak…

A: The eukaryotic RNA is formed from the eukaryotic DNA by the process of transcription.

Q: A portion and serving size differ when talking about Dietary Guidelines for Americans. What is a…

A: Food labelling and packaging Food packaging is a step in food processing in which the food is…

Q: Leber congenital amaurosis (LCA) is a form  of congenital blindness in humans and is  known to be…

A: Leber congenital amaurosis (LCA) is a form of congenital blindness in humans and is known to be…

Q: hypochondrium, periodic body temperature rises of up to 38°C, periodic icteric skin color changes,…

A: Coronary artery disease and gallstone disease  result from the accumulation of cholesterol, in the…

Q: Select one answer.Sometimes the immune system appears to get confused and it starts mount an immune…

A: Invading pathogens are fought off by the immune system. Immunity is provided by a complex network of…

Q: Why do diploid organisms that reproduce via sexual reproduction even bother with meiosis? What is…

A: Cell division Cell division is an important event in which the cell divides and increases in number.…

Q: Noisy begging by nestlings to be fed by a parent is said to be an honest signal when it entails high…

A: Nestling begging  Nestling beg for parental care, security and food. But this can attract attention…

Q: membrane permeability for most of the compounds  is directly proportional to their partition…

A: The partition coefficient can be defined as the ratio of concentrations of a particular compound in…

Q: Color blindness is an X-linked recessive disease. A female and a male with normal vision have 4…

A: The failure to discriminate between red and green colors is the most common symptom of color…

Q: Which of the following DNA repair pathways repair DNA double strand breakage that only occur in…

A: ANSWER) (D) non-homologous end joining (NHEJ)  NHEJ or non-homologous end joining is a pathway which…

Q: Explain why the large, steroid hormone, estradiol (MW 272) readily crosses membranes by simple…

A: Hormones are signaling molecules that act as chemical messengers. They are secreted by endocrine…

Q: Question 10: What does the presence of the prototrophic strain "control" for? In other words, what…

A: There are two types of strains :-  1) Auxotropic and 2) Prototropic    In Auxotropic strain ,…

Q: What are possible Rh genotype/s (using Weiner nomenclature) for SC1 and ID1?

A: There are four possible Rh genotypes that can be determined using Weiner nomenclature: SC1, ID1, Cc,…

Q: Identify the 4 major tissues of the body.

A: Cell is the fundamental unit of life. They are also known as "Building Blocks of the body" because…

Q: RNA regions, was conducted with a view to determining how coevolution can drive changes in the…

A: Answer : Coevolution is a process where by two mutualistic organisms who are interacting with each…

Q: David Papineau believes that after you learn a skill, you must still continue to focus on the…

A: Skills are the adaptive learning that one develops from its life time experience. Thus learning and…

Q: Which of the below is NOT a fallacy about human sexuality?    Size of penis contributes to greater…

A: The findings of Masters and Johnson study corrected some of the previously held fallacies about…

Q: Scarlet (S), cream (Cr), and maroon (M) are three genes located on chromosome 3 of Drosophila…

A: ANSWER;-The distances between each pair of genes (S), (Cr), and (M)

Q: Provide an illustration showing the broken down of C7 fatty acid into its corresponding end…

A: The c7 fatty acids is also known as triglycerides of heptanoate, c7 fatty acids metabolism the beta…

Q: After catching her archenemy, Xena has lived a long and productive life. She is now 85 years old and…

A: Introduction  Platelets, also known as thrombocytes, are colourless cell fragments that form clots…

Q: B Sin

A: Chest X-ray The X-ray of the chest involves the use of small comes traditions that are focused on…

Q: I live in the forests of Southeast Asia. I am arboreal and swing through trees. I have Y-5 molars,…

A: A primate is a mammal that belongs to the order Primates, which includes all species that are…

Q: The first whole-life phylogenies based on sequence data were estimated on the basis of small…

A: Phylogeny is a bifurcation diagram or tree that shows evolutionary relationships between different…

Q: Steps in PCR and Gene Cloning Propose two hypothetically modified or genetically engineered plants…

A: Science is the greatest gift that humanity has received. Nothing could have been more significant in…

Q: The type of skeleton in earthworms that allows it to move forward or backward_________.

A: In good soils, whether in your garden or a meadow, earthworms are common. They are slimy,…

Q: After catching her archenemy, Xena has lived a long and productive life. She is now 85 years old and…

A: Introduction  The respiratory system is a group of organs and tissues that assist in breathing.…

Q: The cell cycle is a set of coordinated events that culminate in the formation of two cells from one…

A: Cell cycle is the process through which the cells of any organism divide, and new cells are formed.…

Q: 2. The ability to tongue-roll is controlled by a dominant allele T. In a survey of 700 high school…

A: Introduction In population genetics Hardy-Weinberg principle states that the genotype frequencies of…

Q: Xena lights a fire to keep warm, and cook his green root vegetables, which are extremely alkaline.…

A: When there is high concentration of carbon di-oxide in the blood, the blood becomes slightly acidic…

Q: * intrinsic factor is serected by intrinsic factor Parietal cells Chief cells G cells هذا السؤال…

A: Answer :  Intrinsic factor is secreted by  Option  The correct answer would be : -  Parietal cells…

Q: The twofold cost of sex model by John Mynard Smith explains  how - A. asexual females can become…

A: ANSWER) (A) Asexual females can become predominant in a population. The twofold cost of sex model by…

Q: Why must NADH be reoxidized? How does this happen in an organism that uses respiration? Fermentation

A: Nicotinamide Adenine dinucleotide is a coenzyme that is essential for metabolism. NAD is a…

Q: to has a flask of whiskey in her bag. She knows from experience that alcohol makes her flushed, it…

A: When the smooth muscle cells in the blood arteries relax, this is known as vasodilation.…

Q: What is the difference between an antigen test and a PCR test?          a. What are the benefits…

A: PCR- PCR stands for polymerase chain reaction. Antigen test- Antigen tests are immuno-assays which…

Q: b. Explain the difference between open and close circulatory system.

A: Blood it is a connective tissue which transport nutrients, gas and waste materials.

Q: Deletions in the mitochondrial DNA can result in parasitic mitochondria which do not respire but…

A: This can be explained on the basis of use and disuse of organs. The organs that are not usually…

Q: Explain how some pathogenic bacteria that threaten human health.

A: In the living world that is a biotic component, there are included numerous organisms. The world's…

Q: 3. DNA is a double helix. The sequences of based on one side of the DNA molecule are complementary…

A: DNA is a group of molecule that it responsible for carrying and transmitting the hereditary material…

Q: a. Why is countercurrent exchange system more efficient than concurrent exchange system?

A: Introduction :- A countercurrent exchange system is one in which two fluids with different qualities…

Q: In a phylogenetic tree, Species 1 and 2 are distantly related to one another but are both darkly…

A: Q. In a phylogenetic tree, Species 1 and 2 are distantly related to one another but are both darkly…

Q: To describe: Range of environments inhabited by prokaryotes and the methods by which they acquire…

A: All living organisms are made up of several types of cells, which are the structural as well as…

Q: (I) Ordinary fish (II) Icefish 3 2 a-Globin gene 3 a-Globin gene fragment (pseudogene) 1 2 3 4 5…

A: Sequence alignment refers to the joining of two sequences based on the similarity of some portions…

Q: Trait 8: Phenotype: Genotype: Trait 9: Phenotype: Genotype: Trait 10: Phenotype: Genotype:

A: To select: To select 10 different traits and to identify the phenotype and genotypes of the same

Q: How does the body respond to medicine? Check all that apply. Obody is healed from the illness red…

A: Pathogenic microrganism are the organism which have capability to cause disease in any organism.…

Q: What is the 2 vital when assessing with breathing ?? Name only two

A: Respiration refers to the breathing of an individual that involves the passage of air into and out…

Mitochondrial Mutations

A mitochondrion is a cellular organelle that serves as the site for cellular respiration and energy production (ATP or Adenosine Triphosphate). It is a double-membrane-bound organelle and is only present in eukaryotic cells.