Assume that in a certain population of giraffes, dark brown spots are dominant to light brown spots. If the frequency of dark brown giraffes is 56%, what is the frequency of the dark brown allele? Hint: the frequency that is provided is the frequency of a specific phenotype (i.e. not a genotype frequency)

Q: Thymosin - For the hormone Thymosin (in humans) what is; 1. the origin (gland that secretes the horm...

A: Thymosins are small peptide hormones that are found in many animal tissues. It is secreted by the th...

Q: What is genomic sequencing and what are the 3 primary ways of annotating a gene?

A: A genome sequence:It is the total nucleotides list that include A, C, G, and T for the DNA genomes w...

Q: Thin and thick filament are organized into functional unit called

A: The skeletal muscles are formed by the skeletal muscle tissues. These tissues have a striated appear...

Q: Distinguish between each of the following pairs of terms: Neutron and proton Atomic number and mass...

A: Neutron – They are found in the nucleus of an atom.  They do not possess any charge on them they are...

Q: What do GMO mean as it relates to the environment.

A: GMO means Genetically Modified OrganismsGMO is any organism whose genetic material has been changed ...

Q: Describe how to activate (turn on) the GFP gene as well as the lac operon.  What are the functions o...

A: The GFP (green fluorescent protein) gene express a 238 amino acid long protein called green fluoresc...

Q: What are some general tips in calculating allele and genotype frequencies?   Examples of each will b...

A: Allelic frequency is calculated by dividing the total number of a given allele with the total number...

Q: Biochemistry: Site-directed mutagenesis, in which individual amino acid residues are replaced with o...

A: Enzyme activity is used to assess the catalytic activity of an enzyme. One enzyme unit (U) is the am...

Q: You are working in a biotechnology lab arid are analysing DNA. You obtain a sample of a short dodeca...

A: In a double-stranded DNA (deoxyribonucleic acid) molecule, the nitrogenous base pyrimidine hydrogen ...

Q: Please check all statements that apply to trichomoniasis.   (NOTE:  Please change all question marks...

A: Trichomoniasis or “trich” is caused due to a parasite found in vagina and urethra or at the head par...

Q: I am working on the scientific method and am confused on what a controlled variable is and what cont...

A: Hello, thank you for your questions. But according to our policy, we will be answering only the firs...

Q: Why are anatomy and physiology studied together?

A: Anatomy, histology, physiology, and embryology are the branch of science that deals with the human b...

Q: What is the most common element in the human body?

A: There are various elements that form the human body. The elements are important to regulate the cell...

Q: 6.) How does RNAi maintain the heterochromatin at the centromeres of chromosomes?

A: Heterochromatin is a form of DNA (deoxyribonucleic acid) that is dense or closely packed. It varies ...

Q: PLEASE HELPPP

A: Click to see the answer

Q: Which releases the greatest amount of energy? a. Anaerobic respiration b. Fermentation  c. Glycolysi...

A: Adenosine triphosphate (ATP) can store, release, and transport chemical energy within cells. The hyd...

Q: How do you use a punnet square in determining how blood group is inherited?

A: Each person’s blood cells contain different combinations of antigens which determine the person’s bl...

Q: What are the characteristics of the Juxtamedullary nephrons?

A: The nephron is the structural and functional unit of the kidneys. It is made up of a renal tube and ...

Q: Why is it Koch's postulates cannot be used for the microbe E. Coli. What limitations does E.coli hav...

A: The virulence and pathogenicity is considered as the ability of bacteria to cause disease. Robert Ko...

Q: #17 You have isolated a gene that is important for the production of milk and wish to study its regu...

A: Orthologous genes are those which encode for the same protein which performs the same functions but ...

Q: 2) Myoclonal epilepsy and ragged red fiber disease (MERRF) is a human condition named for the ragged...

A: Myoclonic epilepsy:It is related to a family of epilepsies which are present along with myoclonus. W...

Q: What is hemoglobin? Why is it important to the function of red blood cells?

A: Hemoglobin, which is commonly abbreviated as Hb is a type of metalloprotein present in the Red Blood...

Q: What would be an example of humoral stimuli on a hormonal level? Would transport functions that incl...

A: The three stimuli that control the endocrine glands for the synthesis and secretion of hormones are ...

Q: Summarize the aspects of Neanderthal behavior and culture that strongly counter the assumption that ...

A: Several explanations have been put forward to justify the hypothesis regarding Neanderthal's inferio...

Q: Define hemolytic uremic syndrome (HUS). What populations are most vulnerable to this complication of...

A: Enterohemorrhagic E.coli (EHEC) is a subset of pathogenic E.coli that can cause diarrhea or hemorrha...

Q: 14) Do the cDNA libraries generated from a mouse brain and a mouse liver contain ALL of the same DNA...

A: A eukaryotic gene consists of coding (exons) as well as non-coding (introns) regions. During the tra...

Q: 16) What are THREE pieces of evidence that support the theory of endosymbiosis?

A: The endosymbiotic theory depicts how an engulfed bacteria and a large host cell can simply become de...

Q: List and briefly describe the function of 4 proteins used in DNA replication in a E. coli but NOT ne...

A: The process of copying a DNA molecule to produce its two identical copies is termed as the DNA repli...

Q: What are platelets? What are some of their secretory products? Explain the role of platelets in form...

A: Hey there! Since you have posted multiple questions, we are answering only first two parts of the qu...

Q: 2. Imagine you have mixed the following known concentrations of a solution. You then measured their ...

A: A standard curve or a calibration curve is a graph plotted against absorbance of known concentration...

Q: Condoms provide 100% protection against all sexually transmitted infections.   True or False

A: A condom is a fitted tube that is thin and it is used by a man or woman during and before sex. A con...

Q: Tumor suppressor genes and oncogenes are implicated in carcinogenesis. However, one can predict whet...

A: Oncogene is a gene that is responsible for the formation of cancer cells in the body. Mostly the nor...

Q: WHat is trypsin?

A: Trypsin is a serine protease responsible for the hydrolysis of proteins in the digestive tract. It i...

Q: What is the difference between heterochromatin and euchromatin? What accounts for (or causes) the di...

A: The chromosomes appear as a mass of greatly fine tangled string called "chromatin." Chromatin is sur...

Q: Which of the following equations are true for double-stranded DNA?  a) (%G+%T) =(%A+%C) b) (%G+%A) =...

A: DNA stands for deoxyribonucleic acid. It is a genetic material that passes from one generation to th...

Q: 26. Using the following DNA strand, write out the mRNA, and then the amino acids. DNA: 3' T- A- C- A...

A: Since we only answer one question at a time, we’ll answer question 27 (as you have already solved qu...

Q: What kind of negative feedback mechanism is place to ensure that sperm counts do t get excessively h...

A: Puberty begins in boys at the age of 12 where many physical changes occur due to sudden changes occu...

Q: What could be the reason why a woman only gets her period after puberty begins? A) Before puberty, h...

A: The lining of the uterus thickens and prepares an egg for fertilization. If the egg is not fertilize...

Q: Glucagon - For the hormone Glucagon (in humans) what is; 1. the origin (gland that secretes the horm...

A: Hormones are the secretions of the endocrine glands. Hormones regulate the metabolic activities of t...

Q: In some inherited cases, the normal prion protein can convert spontaneously to the abnormal form, bu...

A: Prions are proteins that are not properly folded and have the ability to transmit their abnormal sha...

Q: Explain how Ca2+, NOS/RNS and mitochondrial membrane transfer problems are inter-related and how/why...

A: Reactive nitrogen species (RNS) are the antimicrobial molecules derived from nitric oxide (•NO) and ...

Q: Describe why polygenic inheritance is much more important that simple single-gene dominant and reces...

A: Inheritance pattern in organisms follow mostly Mendelian principles. The three Mendelian principles ...

Q: The portion of the diencephalon producing a "diurnal hormone" is the  a.epithalamus b.thalamus  c. h...

A: The correct option is a) epithalamus.

Q: Can you please answer this question

A: DNA is a nucleic acid which possess the information which determines the characteristics of an organ...

Q: Aldosterone - For the hormone Aldosterone (in humans) what is; 1. the origin (gland that secretes th...

A: Hormones are the secretions of the endocrine glands. Hormones regulate the metabolic activities of t...

Q: Insulin,    a hormone    release in large    part due to carbohydrate    consumption and subsequent ...

A: Insulin is an essential hormone produced by beta cells of pancreatic islets. The insulin controls th...

Q: The acromial region is ________________ to the otic region. (medial or lateral)

A: The acromial region is the location where shoulder bones are present.Otic region present in skull ar...

Q: Where do the great vessels connect to the heart?

A:  There are five great vessels that enter and exit from the heart, namely, the superior vena cava, in...

Q: Can you please do questions 20,21 and 22

A: Hello. Since you have posted multiple questions, we will solve question number 20 for you. If you wa...

Q: what is the physiologic significance of triglycerides?

A: Triglycerides are stored form of fats. Fats in our dietary intake are converted in to calories and u...