Some vitamins may be beneficial as antioxidants by protecting cells against free radical damage.

a. true
b. false


a. true

Biology & Microbiology

You might also like to view...

The ____ and ____ of rivers are key determinants of their physical habitats

a. flow rate; volume b. size; shape c. flow rate; temperature d. location; volume e. biodiversity; species richness

Biology & Microbiology

In __________, one of the sperm cells in the pollen tube fertilizes the egg, forming a diploid zygote; the other fuses

with the endosperm mother cell, forming a triploid cell. Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

Although Gregor Mendel knew nothing of chromosomes, mitosis, or meiosis, we now know that his Principle of Segregation corresponds to the events of _____

1.meiosis I 2.meiosis II 3.mitosis 4.both meiosis and mitosis 5.neither meiosis nor mitosis

Biology & Microbiology

What connects the cytoplasm of adjacent cells in plants?

a. the plasma membrane b. plasmodesmata c. the primary cell wall d. the secondary cell wall

Biology & Microbiology