The red pigment in erythrocytes is

, which transports oxygen.

hemoglobin

phycoerythrin

carotenoid

chlorophyll

6. A dogfish shark contains 24 chromosomes in each of its muscle cells. How many chromosomes are normally found in each of its gametes? (1) 6 (2) 12 (3) 24 (4) 48

Describe what messages are sent by the nervous system when you go outside wearing a sweater on a very hot day.

In maintaining the large land empire of Russia, what was arguably the main difficulty? A. ethnic divisions B. inexperienced leaders C. lack of industrialization D. lack of natural resources

Where does dna synthesis happen in eukaryotic cells

When heat is added to or removed from the substance and the temperature remains the same, where is the thermal energy going? Why?

In what way are slime molds similar to kelp?

What does not exist in a supersaturated solution

When dust and ash particles from a volcanic eruption block out sunlight and reduce solar radiation, earth experiences the. This results in temporary climate cooling

Which of Jupiter's moons is volcanically active? Io Ganymede Europa Callisto

Risk assessment depends on