Which type of stem cell is described below?

stem cells are available from a variety of sources, including blood from an umbilical cord, or cells in the

placenta, the bone marrow, and even human fat.

6 Carbohydrates, such as glucose, are excellent sources of immediate energy for living organisms. More complex carbohydrates, such as glycogen and starch, can also be used for the long term storage of energy.

Which soil type have the largest pore space

The kind of sugar our bodies use as fuel for chemical reactions is?

Which statement is correct about two objects that have gravitational force? A. They have mass B. They move slowly C. They are round in shape D. They have high temperature

2. Which statement is TRUE for a chemical change? A. of the substance is not changing. B. Mass is conserved C. The substances always changes from solid to liquid.

Are microorganisms alive and do microorganisms affect humans

Which statement best describes the process of chemiosmosis and the direct result of its occurrence? A. The choices are Hydrogen ions flow from the thylakoid down a concentration gradient through ATP synthase channels into the stroma.

Describe how human activities threaten polar bears in the arctic

What did Mendel cross pollination of pea plants prove

Which type of rock is created when lava cools and hardens? A. igneous B. sedimentary C. metamorphic D. cement