Temperature is constant in the bathypelagic zone. True or false

How do the cells organelles know what to do

What kind (s) of eukaryotic cells have mitochondria?

This group of enzymes digests the majority of ingested fat. a. pancreatic lipases. b. pepsin and stomach acid. c. bile salts. d. lingual lipases.

Plants that lose their leaves in the cooler seasons are A) coniferous. B) deciduous. C) non-vascular. D) vascular.

1. Any molecule that contains carbon to hydrogen bonding is known as a A) water B) inorganic molecule C) organic molecule 2. How many valance electrons are generally needed to fill the outer shell of most atoms? A) 4 B) 6 C) 8 3.

Which layer of soil is least likely to be penetrated by plant roots? a. O (organic matter) b. A (topsoil) c. B (subsoil) d. C (parent rock)

Describe the differences between a chromosome and a DNA molecule.

What role does oxygen play in a plants life?

Which measures the mass of an object? A) a spring scale (in N) B) a height scale (in feet) C) a graduated cylinder (in mL) D) a triple beam balance (in grams)

In his study of pea plants, Gregor Mendel used which method to produce offspring? O cross-pollination, by using parents that had identical traits O cross-pollination, by using parents that had different traits O self-pollination, by using one parent