Human ova and sperm are similar in that a. about the same number of each is produced per month. b. they have the same degree of motility. c. they are about the same size. d. they have the same number of chromosomes.

After ovulation, the ruptured follicle a. degenerates. b. becomes a corpus luteum. c. sloughs off as waste material. d. mends and produces another oocyte.

After ovulation, the ruptured follicle a. degenerates b. becomes a corpus luteum c. sloughs off as waste material d. mends and produces another oocyte

Prions are responsible for variant Creutzfeldt-Jakob Disease, which has resulted in over 100 human deaths in Great Britain during the last 10 years. How do humans obtain this disease?

The human genome contains thousands of sequences known as small open reading frames, some of which encode proteins of about $30$ amino acids. What is the minimum number of nucleotides required to encode such a protein?

Time intervals measured with a stopwatch typically have an uncertainty of about a half second, due to human reaction time at the start and stop moments. What is the percent uncertainty of a handtimed measurement of
(c) $5$ min?

Realizing what he had done, he rushed back to Bacchus, begging to be released from the _______ fate of starving on golden food. a. tragic human b. beyond limits c. excessive d. very unusual

Choose the most reasonable unit to describe the quantity. Then use scientific notation to describe the quantity using the other unit.

A typical cell of the human body is $5 \times 10^{-2}$ _______. (km, mm)

$$\textbf{ Identify the meaning of the word by the suffix. \it{The medical terms below are commonly used by people who are not necessarily in the medical field. Using what you may already know, identify the meaning of the suffix of medical terms. Match the definition on the left with the correct term it is describing on the right.}} \textbf{\color{#c34632}{{ LO 1.3}}}$$

____________afraid of a. agoraphobia b. pneumonectomy c. dentist d. dermatitis e. biology

A Biology student used data from many species to create a regression model that uses a bird's Height when perched for predicting its Wingspan. Assuming the calculations were done correctly, explain what is wrong with his interpretations: a) If a bird grows one inch taller, its wings will get 1.8 inches longer. b) A bird 10 inches tall will have a wingspan of 17 inches.

For human eyes, about 70% of the refraction occurs at the cornea; less than 25% occurs at the two surfaces of the lens. Why? [Hint: Consider the indices of refraction.] Is the same thing true for fish eyes?

Time intervals measured with a stopwatch typically have an uncertainty of about 0.2 s, due to human reaction time at the start and stop moments. What is the percent uncertainty of a handtimed measurement of 50 s.

Yeast (Saccharomyces cerevisiae) is also used in the production of human insulin. Discuss the differences in the production of insulin using yeast and E. coli with respect to: (a) Insertion of the gene into the plasmid: _____ (b) Secretion and purification of the protein product: _____

A human female with Turner syndrome $(47, X)$ also expresses the X-linked trait hemophilia, as did her father. Which of her parents underwent nondisjunction during meiosis, giving rise to the gamete responsible for the syndrome?