State three reasons why mostly synthetic dyes, instead of natural dyes, are used commercially.

All of the following are parts of a flower except the a. cuticle. b. ovary. c. fruit. d. stamen. e. carpel.

Antibodies, certain hormones, and hemoglobin are all: fats proteins sucrose polysaccharides

After the DNA is copied (DNA replication), two sister chromatids are held together by a a centromere b a chromosome c a centrosome d a centriole

Genetic recombination definition biology

A plant is heterozygous for the production of yellow seeds (Yy) and homozygous for wrinkled seeds (rr). What possible gametes will this plant produce? A. YR, Yr, yR, and yr B. Y, y, and r only C. Yr and yr only D. Yy and rr only

In a glass you have 76% salt water also you have an egg which is 90% water inside, which way would the water move.

Explain how the water cycle functions because of change in matter.

Small vesicles containing pigment inside of pigmented fish epidermal cells aggregate or disperse in response to treatment with certain chemicals.

How does sunlight affect the process of photosynthesis

How many months of the year do most conifers have green leaves