Out of the 200500 million sperm cells that are released during an ejaculation, only ____ complete the short journey up the Fallopian tubes to where an egg is waiting to be fertilized.
a. half
b. a few thousand
c. a few hundred
d. a few hundred thousand
Question 2
In the study by Kobayashi-Winata and Power (1991), were there any differences in the childrearing techniques of middle-class parents from Japan and America?
a. In both cases, parents used high amounts of punishment.
b. Japanese parents were higher in control and lower in warmth.
c. American parents were low in control and low in warmth.
d. American parents relied on external punishments, such as sending a child to his/her room, whereas Japaneseparents used more verbal comments, explanations and reprimands.
The cells in blood; A, red blood cells (erythrocytes); B, platelets (thrombocytes); C, white blood c
Complete the table by dragging the white labels to the gray targets, the blue la
MDCK cells can form cysts in culture
Connective tissue cells
Eggs, milk, and cheese are complete proteins, because they are animal products.
Staphylococcus aureus cells (yellow) stuck in mucus secreted by human nasal epithelial cells.