Answer:
Egg and sperm cells contain only one copy of each chromosome pair. In the case of the sex chromosomes, sperm cells contain either the X or the Y chromosome
Explanation:
When an enzyme is denatured the active site which allows it to catalyze reactions is destroyed, rendering the enzyme useless. This process is irreversible but the remains are recycled to form new enzymes.
Photosynthesis takes place in the chloroplasts
Why do melting ice caps make Earth warmer?
The correct answer is C. Albedo decreases.
When the albedo is lower, more radiation from the Sun gets absorbed by the planet resulting in rise of temperature. When the snow covered area warms up and melts, the albedo goes down and more sunlight is absorbed in that area and the temperatures increase.