What is made of a single, long molecule of DNA?

allele

nucleus

chromosome

protein

Which of the following symbiotic relationships is considered parasitic? A. Tapeworm in an intestinal tract B. Bees transporting pollen from flowers C. Pilot fish swimming under sharks D. Birds eating the insects from the back of a hippopotamus

The first strands of DNA were observed through which microscope? tunneling microscope simple microscope compound light microscope electron microscope

A person who is homozygous for the x chromosome is

A color-blind (X-linked recessive) human with Klinefelter syndrome has parents both of whom have normal color vision. 4a. From which parent did he receive his extra X chromosome? Explain

Which statements accurately describe the role of water on Earth? Select three options. Water in plants and animals transports nutrients into cells. Water reflects sunlight that hits the oceans. Water wears away rock and soil.

Administration of which classes of medications can decrease secretions of the upper respiratory tract?

Explain how DNA froms chromosomes in eukaryotic cells

Decomposers act in which level of the trophies pyramid?

What sort of insect has six legs? List one fact about it as well

If the velocity of an object is changing, its momentum is also changing?