The effect of a(n) __ can be reversed by increasing the substrate's concentration. a. irreversible inhibitor b. noncompetitive inhibitor c. uncompetitive inhibitor d. competitive inhibitor

4. All of the following are true about mutations EXCEPT They are often inherited by one or more offspring They can be beneficial harmful, or neutral They always change the structure or function of important proteins They can lead to variation in a population

Which of the following statements is true regarding flexion and extension? Select one: a. In the vertebral column, flexion refers to anterior bending, while extension involves posterior. b. In the vertebral column, flexion refers to posterior bending, while extension involves anterior. c. These movements do not involve symphysis joints. d. Both a and C

Which of the following areas is located in the frontal lobe of the brain? A Broca's area B hippocampus C thalamus D Wernicke's area

What represents the maximum population size an environment can sustain? Population density Carrying capacity Reproductive rate Migration potential

All the interconnected feeding relationships in an ecosystem make up a food interaction. chain. network. web.

The lowest ecological level that includes living and nonliving factors is a(n) biome. community. ecosystem. biosphere.

10. Which of the following must happen in the body so that glucose can be used to build amino acids such as serine? A. The body must break down some of the glucose it takes in to produce cellular energy. B. The body must break down some glucose into smaller molecules or atoms. C. The body must chemically rearrange the smaller molecules or atoms to produce amino acids. A, B, and C C only A only A and B B only

Since the genotype of an organism cannot be observed, how do scientists represent it? They use upper and lowercase letters to represent the alleles. They draw diagrams. Scientists do not recognize genotype.

4. What is the difference between an adaptation and a mutation? 5. Where in DNA do mutations occur? 6. What are the four nitrogenous bases? 7. What did Darwin notice about the tortoises he saw in the Galapagos Islands? 8. Explain why ribosomes are important to protein synthesis. 9. What is a codon? 10. Explain how the Geologic Time Scale is used.

Hot Questions

Which one of the following groups is composed of prokaryotic cells? View Available Hint(s) animals protists bacteria fungi

Which of the following is NOT a loose connective tissue? elastic cartilage areolar reticular adipose

X What structure combines together to create DNA? Sugar molecules Hydrogen bonds Nucleotides C Amino acids

A species with an initial population of 120 is growing in an environment where the carrying capacity is 750. After 3 years the population is up to 450 Use a logistic function to estimate the population after 5 years . Round to the nearest whole number. $Population=[?]$ individuals.

Multiple Choice Question Secretory IgA is NOT found in which of the following fluids? Tears Mucus Colostrum Stomach acid Saliva

Which statements are true about bacteria? (Select all that apply) They were one of the first life forms on Earth Their total biomass is greater than that of all plants and animals combined Some are multicellular They only live in human bodies.

Match each example on the left to the type of reproductive barrier on the right. A desert keeps frogs on either side from mating with one another. Female spring peeper frogs only mate with males that make a a. behavioral barrier b. physical barrier c. geographic barrier

Which of the following macronutrients is the preferred fuel for the brain and red blood cells? A proteins B lipids C water D carbohydrates E proteins and lipids

The technique developed by Hans Christian Gram is important for bacterial classification. etiology. identification. epidemiology. isolation.

Elements/metals found in food that regulate body functions Water Minerals Vitamins Carbohydrates