Marfan syndrome (Section 13.5) is inherited in an autosomal dominant pattern. What is the chance that a  child will inherit the associated allele if one parent does not carry it and the other is heterozygous?

Q: What makes a species

A: Taxonomy  In biology taxonomy is the classifying group of organisms according to their characters an...

Q: Aedes aegypti and Aedes albopictus

A: Aedes aegypti was introduced 400–550 years ago from West Africa via European slave trade. Ships from...

Q: A glass spreader can be sterilized by dipping in 70 % ethanol and burning of excess False .a True .b

A: Introduction:- Spreaders, also known as cell spreaders, are laboratory instruments that allow sample...

Q: NAD+ b. Pyruvate

A: Fermentation is a well stated to been supposed to define as is a metabolic process that involves the...

Q: Table 1. Different Staining Techniques Gram Stain Acid Fast Endospore Capsule Flagella 1. Principle ...

A:    ANSWER

Q: Important functions of carbohydrates include O structural support and hormones. O enzymes and hormon...

A: Carbohydrates are the body’s primary energy providers. Carbohydrates are one of the three macronutri...

Q: Direction: 1. Read each situation in the table below, then state if it is a density independent limi...

A:  Many factors restrict population number and expansion in nature.     Density-dependent With rising...

Q: Which among the processes below will be used during heat defense? vasodilation and thermogenesis O s...

A: vasodilation work against heat as sweating does  When heat produce in body to balance the body tempe...

Q: 1. Explain what "optimum" means. Do all enzymes have the same optimum pH and temperature?

A: Optimum means a state at which the best of a reaction or outcome occurs.And it is a level at which t...

Q: How do populations of predators and prey vary in predatism

A: Introduction Whenever a predator population increases, the prey population tends to decrease at firs...

Q: Which of these can induce phenotypic change to future generations of a population?

A: Answer :- Option (E) is correct. - The following are induce phenotypic change to future generations ...

Q: True or False. The binding affinity between a peptide agonist and its specific G protein coupled rec...

A: Many physiologic methods are managed through the activation of G protein-coupled receptors (GPCRs) b...

Q: Peter has 2 daughter both of them have straight her. He have 3 brothers and 2 sisters, two of his br...

A: Pedigree Chart

Q: What is myocardial infarction (a heart attack)?

A: Myocardial infarction is determined as a heart attack which results from the blockage of flow of blo...

Q: The three types of neurons in the nervous system of humans are O synaptic neurons, motor neurons, an...

A: Neuron Also known as nerve cell. It is an electrically excitable cell that processes and transmits ...

Q: Match the following terms with their meanings below: coronary arteries normal sinus rhythm mitral va...

A: Introduction :- The heart muscle is supplied with blood via coronary arteries. The heart muscle, lik...

Q: Choose any microorganism from the different groups of cellular and acellular and give the scientific...

A: Introduction:- Bacteria, fungus, archaea, and protists are examples of microscopic creatures. Microo...

Q: Why have we chosen a human Rab protein with no direct yeast equivalent as an “outgroup” for this stu...

A: Rab protein: it plays important role in recruitment of organelle specific vesicles tethering factors...

Q: 8. Which of the following is the longest entity O reads contigs O scaffolds O bases

A: These options represent the various size of base sequences. 

Q: Genotype frequency of two alleles have been calculated to be p = .2 and q = .8 Is this population of...

A: C. Not enough information to calculate this.

Q: How do populations of predators and prey vary in predatism

A:

Q: True or False. The binding affinity between a peptide agonist and its specific G protein coupled rec...

A: Introduction:- Intermolecular interactions such as ionic bonds, hydrogen bonds, and Van der Waals fo...

Q: How are the concepts of "proxy" and "analogy" similar, and how are they used in reconstructions of t...

A: Proxy or equivalent term homologous is a structure inherited from a common ancestor. Analogy or anal...

Q: If Marine communities dominated during the Early Paleozoic, why move to land? What would an organis...

A: Paleozoic era was a major interval of geologic time that began 541 million years ago and ended about...

Q: 5

A: Recombinant forms of Oestrogen and Progesterone are used in post menopausal women. Recombinant insul...

Q: What is the purpose of using an “outgroup” when reconstructing a phylogenetic tree

A:

Q: Which of the following statements indicate the function of growth hormone? It controls and regulates...

A: Hormones are chemical substances that act like chemical messanger molecules in body . They are synth...

Q: What are the characteristics of small intestine epithelial cells and kidney epithelial cells observe...

A: Intestinal epithelial cells are the surface of intestinal epithelium, where they play important role...

Q: Compare the developmental stages (cleavage, blastula, gastrula) of the frog with an invertebrate pre...

A: INTRODUCTION Different stages of development of frog and sea urchin is given below.

Q: Trace the flow of hormanes in the adaptive thermoregulation response involving brown adipose tissue....

A:   In thermogenesis the production of heat energy in brown any post issue is a component of the homeo...

Q: Meiosis produces daughter cells that are mitosis produces daughter cells that are diploid / diploid ...

A: Introduction :    Meiosis - it's a cell division process occurs in germ cells. In meiosis from a dip...

Q: Meaningful evolution occurs when __________. ○ a heritable trait affects survival and fitness ○ a ...

A: Evolution is the change in the characteristics of a species over several generations and relies on t...

Q: Based on the information above, what can you speculate about the possible evolution of the genes tha...

A: Rab proteins are small GTP-binding proteins within a superfamily of GTPases known as the Ras superfa...

Q: Which of the following is NOT one of the methods used in identifying viruses in the laboratory? O a....

A: A virus is a tiny piece of genetic material, such as DNA or RNA, encased in a protein coat. A virus ...

Q: How does biological diversity relate to the characteristics of the abiotic factors of an ecosystem?

A: Introduction In this question we will discuss about how biological diversity relate to the character...

Q: What is myocardial infarction (a heart attack)?

A: Introduction In this question we have to discuss about the infarction ( a heart attack).  

Q: How do we know that members of the human lineage used to have an opposable toe on their foot?

A: There was a fossil discovered some years back in Ethiopia which led us to draw a conclusion that hum...

Q: 12. Assume that spherical particles with diameter=100 µm and density=1.1 g/cm³ have sedimentation ve...

A: 13. Isopycnic centrifugation is better to separate RNA from protein .

Q: 1. Differentiate Precipitation from Agglutination reactions based on:      a. Time duration of the ...

A: Agglutination is the procedure of clumping antigens with their respective antibodies. Agglutination ...

Q: Provide a description on the plant cell of the Hydrilla leaves viewed on a microscope with high powe...

A: Answer : Hydrilla is a type of aquatic plant which are the submerged in water.  They functions as th...

Q: What is the role that estrogen plays in maintaining bone density? O it prevents osteoclast activity ...

A: Role of estrogen in bones The hormone estrogen regulates bone metabolism. It is essential to bone he...

Q: Research has stated that there are factors that could affect the efficacy and duration of mosquito r...

A: There are many different types of mosquito repellants, but they all work to repel mosquitoes by mask...

Q: A pentapeptide was found to increase the rate of hydrolysis of fats in the adipose tissues to provid...

A: *Electrophoresis is a technique used to separate genetic materials like DNA and RNA and  protein bas...

Q: 22

A: Motor neurons are components of peripheral nervous system which conduct efferent impulses from the s...

Q: Give the Morphological characteristics of Aedes aegypti adults.

A: Toxorhynchitinae, Anophelinae, and Culicidae are the three subfamilies of the Culicidae family, with...

Q: how they can affect the populations

A: Ecology at the organismic level is essentially physiological ecology which tries to understand how d...

Q: Why is PCR beneficial?

A:       INTRODUCTION        The Polymerase Chain Reaction (PCR) was formerly  originated by American B...

Q: Genetic engineering of plants provides an opportunity to alter their properties or performance in or...

A: Genetic engineering is a technique that is utilized to change the genetic matter of the individuals ...

Q: Transpiration is when a plant release water vapor through its stomata which are pores its leaves and...

A: Transpiration is the course of water development through a plant and its dissipation from airborne p...

Q: What are the developmental stages of Trypanosama? Describe how the stages appear

A: Life cycle of trypanosoma cruzei:- it involves two intermediate hosts : Triatomine insects and human...

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.