List 3 organelles present in plant cells but not found in animal cells.

Using humans with their 46 chromosomes as an example, explain the "numbering problem" solved through meiosis.

How might the environmental affect a plants physical characteristics?

This is a specific region of an enzyme wear a substrate binds in chemical reaction occurs

Monkeys raised without mothers in captivity a. displayed normal sexual behavior b. did not know how to care for infants c. were able to form lasting affectional ties d. showed greater sexual dimorphism than those in the wild

Describe the relationship between base pairs and genes

When volcanoes erupt, they spew out tiny particles of matter and gases, in addition to lava. Choose two spheres that this could impact and explain how they would be affected.

How does science use fossil evidence tofo support the theory of evolution

In what way do kinetochore microtubules facilitate the process of splitting the centromeres? they phosphorylate the centromere, thereby changing its conformation. they slide past each other like actin microfilaments.

Examples of analogous structures are a. the tails of mice and rats. b. the limbs of humans and apes. c. the wings of bats and birds. d. all of the above

Binding of a signaling molecule to which type of receptor leads directly to a change in the distribution of ions on opposite sides of the membrane? a. intracellular receptor b. G protein-coupled receptor c.