Considering that we are all made up of the same 4 nucleotides in our DNA, the same 4 nucleotides in our RNA, and the same 20 amino acids in our proteins, why are we so different from each other? For example, why do some people have sickle cell  anemia and others don't?

Q: Human immune system     During the inflammatory response, histamine plays a key role in causing…

A: The human immune system is a complex network of cells, tissues, and organs that work together to…

Q: Why the extension cannot be 3´---5´ and why it has to be 5´------3´? B) What is a gene?

A: Nucleic acids are present inside the nucleus to store and pass genetic information and thus controls…

Q: What are the products of the light reactions? O O₂, NADPH, and ATP O CO₂, NADPH, and ATP. O H₂O,…

A: Photosynthesis is a process that is essential to the survival of some living creatures. Many…

Q: A cell with 85% water concentration is placed in a solution with a 15% solute concentration. Draw a…

A: When a cell is placed in a solution, the water molecules will move from an area of high…

Q: You sample a population of 189 mule deer for ear length alleles and find that 32% have AA, 42% have…

A: HWE is a model which states that the allele and genotype frequencies in a population remain the same…

Q: b. a. Hardy-Weinberg p + q =1 (Rr), and 16% white (rr). This population is in a Hardy-Weinberg…

A: According to the Hardy-Weinberg principle, populations that reproduce sexually have allele…

Q: The anaerobic, chemoautotrophic archaeobacterium Methanococcus jannaschii uses which of the…

A: The objective of the question is to identify the carbon-fixation pathway used by the anaerobic,…

Q: The oncogenic protein BETA promotes entry into the S phase of the cell cycle. Phosphorylation of…

A: The question is asking for the best description of a mutant allele that results from a mutation in…

Q: A greater number of protocadherin genes ____.

A: Protocadherins are a family of cell adhesion molecules, and they play a crucial role in neuronal…

Q: At a routine employment physical, a 30-year-old man is found to be mildly hypocalcemic, although he…

A: Too little calcium in the blood can cause hypocalcemia, a disease that can be treated. Hypocalcemia…

Q: Research suggests that PGO waves play an important role in generating REM sleep. PGO waves activate…

A: The question is asking which of the given brain regions is not activated by PGO waves during REM…

Q: Which of the following is the primary reason for global food insecurity (as mentioned in the…

A: Global food insecurity denotes a condition where individuals or populations lack access to…

Q: Which of the following statements is NOT true about the sensory systems?   Chemoreceptors are…

A: The sensory system is a part of the nervous system responsible for processing sensory information. A…

Q: The complete catabolism of glucose into CO2 and H2O generally yields a smaller amount of ATP in…

A: The question is asking why the complete breakdown of glucose into carbon dioxide and water generally…

Q: A young man presents with a blood pressure of 175/110 mm Hg. He is found to have a high circulating…

A: The male subject in the case seen to have elevated blood pressure, increased levels of circulating…

Q: 2. In the kinship diagram below, the shaded members of the kin are related through what type of…

A: In a web of ancestry, some threads stand out, binding individuals across generations. Today, we…

Q: How do I calculate the P value?

A: In the field of statistics, the p-value is defined as a measure which assists in the assessment of…

Q: Why is ATP an important molecule in metabolism? It provides energy coupling between exergonic and…

A: All living things include ATP, which is needed for almost all cellular energy-consuming processes.…

Q: Directions: Complete the paragraph below to explain why your body gets warm during a workout. When…

A: During exercise, the heat produced in the contracting muscle causes internal body temperature to…

Q: What are some reasons why natural selection has not optimized the human oral ecosystem and why…

A: It's true that our oral еcosystеm isn't pеrfеctly optimizеd by natural sеlеction, allowing for…

Q: What role can the  healthcare or community service organization play in addressing cancer?

A: The objective of the question is to understand the role of healthcare or community service…

Q: This fluid-filled structure is spiral shaped, with lower-pitched sounds traveling further down the…

A: The inner ear is a significant part of the auditory and vestibular systems, responsible for both…

Q: Red-billed oxpeckers feed almost exclusively on what they can collect from the skin of large African…

A: Red-billed oxpeckers exhibit a feeding behavior primarily focused on extracting various substances…

Q: Please help me with this question. More than one answer may be correct.  Kinesin _______. Options:…

A: Kinesin, a motor protein inherent to eukaryotic cells, operates by traversing microtubule filaments…

Q: Why was the Ebola outbreak “the perfect storm”?  A. Public health officials were not particularly…

A: Outbreak is defined as the sudden increased occurrence of disease cases or increased disease…

Q: Vicuña are ungulate herbivores related to llamas that occupy high mountain grasslands in the Andes.…

A: Analyzing the effects of rainfall is necessary to comprehend the elements controlling the expansion…

Q: CRISPR-Cas9 is used by bacteria as a type of immune system against invading viruses. In recent…

A: The question is asking about the type of DNA repair system that is most likely responsible for the…

Q: Imagine that a prairie habitat in Texas is converted into a cotton field. That prairie had…

A: Biodiversity footprint is a concept which measures the impact that an individual, organization or…

Q: The trans face of the Golgi apparatus is generally closer than the cis face (of the Golgi apparatus)…

A: The question is asking about the relative positioning of the trans face of the Golgi apparatus in…

Q: Hemophilia is caused by an X-linked recessive mutation in humans. If a man whose paternal uncle…

A: In the disease called “haemophilia”, if a wound is created, the blood does not clot normally. This…

Q: In the absence of sex hormones during fetal development, the human body will: A) develop a…

A: The objective of the question is to understand the role of sex hormones in the development of the…

Q: Why is smallpox so dangerous?  A. It has killed more people in human history than any other disease…

A: The question is asking why smallpox is considered a dangerous disease. The options provided are A)…

Q: In the figure, what phenotype changes distinguish flowers on Peak 2 from flowers on Peak 7? Petal…

A: In the realm of plant life, variations and adaptations abound, particularly in diverse environments.…

Q: Your elbow and the muscles around it form a lever system for lifting things. Your biceps reaches…

A: The focus of the question is on the biomechanics of lifting a barbell during a bicep curl and how it…

Q: Physiology of angiotensin II in humans     Angiotensin I is enzymatically converted…

A: The question is asking about the physiology of angiotensin II in humans. Angiotensin II is a peptide…

Q: ?B) Describe 5. A) What accounts for mini excitatory post-synaptic potentials (mini EPSPs; be…

A: EPSP is an excitatory postsynaptic potential which  causes the postsynaptic neuron to fire an…

Q: Which is a result of consuming a diet deficient in iodine? Group of answer choices low plasma…

A: An essential trace element, iodine, is required for the synthesis of thyroid hormones, which are…

Q: What is the difference in the H* concentration between lemon juice (pH 2) and black coffee (pH 5)? O…

A: pH, or the potential of hydrogen, is a measure of the acidity or alkalinity of a solution. It…

Q: Order the following experimental steps to identify auxotrophic mutants in Saccharomyces Cerevisiae…

A: The objective of the question is to order the steps to identify auxotrophic mutants in Saccharomyces…

Q: Replication slippage can cause indels in repetitive regions of DNA. Which of the following…

A: The question is asking us to identify the incorrect statement about replication slippage and its…

Q: The average salt (sodium and other electrolytes, principally chloride) content of sweat is…

A: Sweat is a fluid produced by the sweat glands in the skin. It is composed of water, minerals,…

Q: 7. A) What effect does the compound GppNHp, when applied to the inside of a cell during whole cell…

A: A. The compound GppNHp is applied to the inside of a cell during while cell patch clamp recording.…

Q: Under which of these conditions are you most likely to observe a depression in plasma prolactin…

A: Prolactin is secreted by the Lactotrophs, cells of anterior pitutory. Its molecules are polypeptide.…

Q: Look at the table below containing cold tolerances of various pests in fields of corn. Average…

A: Cold tolerance in crop pests refers to the ability of certain pests to survive and thrive in cold or…

Q: The following picture shows flow of nerve impulse involved in Stretch reflex Withdrawal reflex O…

A: Nerve cells are the cells of the nervous system. responsible for carrying "messages" received from…

Q: a) DNA fragment with instructions b) code c) is transcribed but not translated d) non-coding e)…

A: DNA, or deoxyribonucleic acid, is a molecule that contains the instructions an organism needs to…

Q: 2. Describe the difference in Cav channel placement within "nanodomain" vs. "microdomain"…

A: Neuronal synapses are specialized connectors between neurons which enable signals to be transmitted…

Q: The formation of water from O2 (46+ 4H02-2H₂01 Select] mitochondrial membrance because it the…

A: A chain of proteins known as an electron transport chain (ETC) transfers electrons from electron…

Q: The ____ and ____ are both found deep within fissures of the cerebral cortex. These two regions form…

A: The question is asking to identify the two regions of the brain that are found deep within the…

Q: 20. Self-fertilization of this F1 hermaphrodite produced a total of 400 F2 progeny. You count 30…

A: Chi square test is used to compare the expected and observed frequency for a given set of data. The…

Hematology

Hematology is the branch of biology. Hematology is the medical field that deals with the treatment of blood disorders and cancers, such as hemophilia, leukemia, lymphoma, and sickle-cell anemia. Hematologists and hematopathologists are medical professionals who specialize in illnesses of the blood and its components.