Describe the unilateral action of the highlighted muscle. Lateral flexion of neck Rotation of head to same side Retraction of scapula Rotation of head to opposite side Extension of head and neck Rotation of head so face turns to opposite side Depression of scapula Reset Zoom The correct answer and explanation is : The correct […]

Which statement about variation is true? All phenotypic variation is the result of genotypic variation All genetic variation produces phenotypic variation All nucleotide variability results in neutral variation All new alleles are the result of nucleotide variability. The correct answer and explanation is : The correct answer is: “All new alleles are the result of

Which of the following is a true statement concerning genetic variation? Select one: A. It must be present in a population before natural selection can act upon. B. It arises in response to changes in the environment. C. It tends to be reduced by the processes involved when diploid organisms produce gametes. D. It is

Andrew Jackson- Hero or Villain? 1 What’s your definition of “hero” AND your definition of “villain.” In your definitions, consider what would qualify a person as fitting in either category.2 In what ways would Jackson be considered heroic? Why?3 In what ways would Jackson be considered villainous? Why?4 In your opinion, how should we remember

A reaction produces 0.819 moles of H2O. How many molecules are produced? The correct answer and explanation is : Final Answer: The number of molecules produced = 4.93 × 10²³ molecules. Full Explanation: In this problem, you are given the amount of water produced in moles and asked to find out how many individual molecules

Which of the following statement describe a continuous random variable? a. The average distance traveled by a jeep in a week b. The number of students present in a Class Anthurium c. The number of motorcycle owned by a randomly selected household d. The number of girls taller than 5 feet in a random sample

 A variable whose value could be a finite and countable number is a a. Continuous variable b. Discrete variable c. Qualitative variable d. Poison variable  The correct answer and explanation is : The correct answer is: b. Discrete variable Explanation: A discrete variable is a type of variable that can take on a finite or

What happens to the demand curve for toasters if the price of bread rises? Show in a supply-demand diagram how the equilibrium price and quantity of toasters change. The correct answer and explanation is : Correct Answer:When the price of bread rises, the demand for toasters decreases because bread and toasters are complementary goods (goods

A set of numerical values assigned to a sample space is called a. Random experiment b. Random sample c. Random variable d. None of the above The correct answer and explanation is : The correct answer is: c. Random variable Explanation: In probability and statistics, a random variable is a fundamental concept. It refers to

Enough of a monoprotic acid is dissolved in water to produce a 0.0192 M solution. The pH of the resulting solution is 2.53. Calculate the Ka for the acid. The correct answer and explanation is : Let’s solve the problem carefully first: Given: Step 1: Find ([H^+]) from pH.[[H^+] = 10^{-\text{pH}} = 10^{-2.53} = 2.95