** answer before the 25th of this september! **
put each of the following organelles into one of the four columns, based on their role in metabolism:
lysosomes, mitochondria
plasma membrane, and vacuoles
column 1 ingestion
column 2 digestion
column 3 respiration
column 4 excretion

In the family tree below, people with the recessive trait of attached earlobes are shaded gray.

Coquina, a type of limestone, forms from shell fragments that settle on the ocean floor. what type of rock is coquina?

Sampling lake water for microscopic organisms is not as easy as it sounds when you want to both count and identify species. in a given water sample, your bacteria of choice can be rare or difficult to culture, particularly given the mixture of bacteria in a biofilm. which of the following culture media would be best for growing fecal coliforms when they are relatively less abundant than other bacteria in the lake? anaerobic culture medium enrichment culture medium complex culture medium basic culture medium