Determine which of the following is correct regarding the yeast Saccharomyces cerevisiae. a. It reproduces asexually by a process called budding. b. It produces an ascocarp during reproduction. c. It belongs in the group Zygomycota. d. All of the above are correct.

Yeast is a single-celled fungus that can reproduce both asexually and sexually. During asexual reproduction, yeast cells do not undergo A. budding. B. mitosis. C. meiosis. D. fission.

The plant sexual life cycle is called ______ The diploid generation is called the ______ Reproductive cells in this stage of the cycle produce spores through _________(type of cell division). The spores germinate to produce the haploid generation, called the _________.

The marketing manager at Levi-Strauss wishes to find a function that relates the demand D for men’s jeans and p, the price of the jeans. The following data were obtained based on a price history of the jeans.

$$\begin{matrix} \text{Price (\$/Pair), $\boldsymbol{p}$} & \text{Demand (Pairs of Jeans}\\ \text{ } & \text{Sold per Day), D}\\ \text{20} & \text{60}\\ \text{22} & \text{57}\\ \text{23} & \text{56}\\ \text{23} & \text{53}\\ \text{27} & \text{52}\\ \text{29} & \text{49}\\ \text{30} & \text{44}\\ \end{matrix}$$

Draw a scatter diagram of the data.

A fungal cell that contains two genetically different nuclei would be classifi ed as a. monokaryotic. b. bikaryotic. c. homokaryotic. d. heterokaryotic.

Which of the following groups of organisms are homeotherms?

If a pathogen contains an avr gene not recognized by a plant, the plant will most likely a. develop a disease. b. eliminate the pathogen because it is unrecognized. c. develop proteinase inhibitors. d. develop a different R gene.

Choose the best answer. What is the missing term in the proportion $\frac{18}{114}=\frac{3}{x} ?$ A. x = 19 B. x = 38 C. x = 342 D. x = 684

Some plants are recognized by fungal pathogens on the basis of their stomatal pores. Which of the following would provide these plants immunity from fungal infection? a. Removing all of the stomata from the plant b. Changing the spacing of stomatal pores in these plants c. Reinforcing the cell wall in the guard cells of stomatal pores d. Increasing the number of trichomes on the surfaces

rewrite each angle in radian measure as a multiple of π. (Do not use a calculator.) -60°

You decide to plant a garden with a beautiful black walnut at one end and a majestic white oak at the other end. You are quite disappointed, however, when none of the seeds you plant around the walnut tree grow. What might explain this observation? a. The walnut tree fi lters out too much light, so the seeds fail to germinate. b. The roots of the walnut tree deplete all of the nutrients from the soil, so the new seedlings starve. c. The walnut tree produces chemical toxins that prevent seed germination.

Prove that the zero transformation $T_0:R^n\to R^n$ equals $T_O$ and hence is linear.

Your friend informs you that it is highly likely all of the plants in your yard are “infected” with some kind of fungi or bacteria. The plants look perfectly healthy to you at this time. The most prudent thing for you to do would be: a. Remove all your plants because they are likely to die. b. Spray your plants with chemicals to remove all bacteria and fungi. c. Remove all your plants and replace the soil. d. Do nothing because many of these bacteria and fungi may be beneficial.

Some plants have developed a mutualistic relationship with parasitoid wasps. This mutualistic relationship would not occur if a. the plant quit producing nectar for the wasp. b. the wasp ceased to live on the plant. c. the plant quit producing volatile compounds that attract the wasp. d. the plant attracted too many caterpillars.