Infectious proteins that are heat resistant and that cannot be destroyed by ultraviolet light or most chemicals are known as ________

Fill in the blank(s) with correct word


prions

Biology & Microbiology

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Using the drawing of mRNA below, choose the letter that best fits the description. The special structure formed at this region is required for initiation of translation. ____

What will be an ideal response?

Biology & Microbiology

In which of these mitosis phases is the replication of DNA accomplished?


This diagram shows the steps in mitosis, with labels to reference in the questions below.
A. A, which is prophase.
B. E, which is cytokinesis.
C. None of these answer choices is correct.
D. A, which is mitosis.
E. C, which is telophase.

Biology & Microbiology

The sheaths that surround neurons are composed of

a. amino acids. b. lipids. c. cholesterol. d. carbohydrates e. polysaccharides.

Biology & Microbiology

Which of the following statements about pinecones

is true? a. Cones are exclusively female structures. b. Cones are the result of pollination. c. One type of cone produces microspores. d. Pollen grains are retained within male cones. e. Microspores develop into female gametophytes within the ovule.

Biology & Microbiology