Diatoms have a cell wall made of two halves called

valves.

nuclei.

thylakoids.

none of the above

Inflammation of a nerve: A. neuropathy B. neuralgia C. sciatica D. neuritis

It is proposed that cro-magnons were responsible for the extinction of many large mammals during the pleistocene epoch. how could this feat have been accomplished

In sweet pea, gene C is responsible for color production and gene P is responsible for the purple color pigment. Both of them are located on two different loci on different chromosomes.

Cells that have the complete set of chromosomes are called

Describe the niche of the giraffe.

If you had a sequence that was 32% thymine, how would the percentages be formed?

Looking at a cell under a microscope, you note that it is prokaryote. How do you know?/ A) the cell lacks cytoplasm B) the cell lacks a cell membrane C) the cell lacks a nuceleus D) the cell lacks genetic material

Similarity and differences between a female and a male urethra

The process by which organisms that are better adapted to the environment survive and reproduce is called?

Which type of bacteria causes tetanus? A) cyanobacteria B) pathogenic bacteria C) anaerobic bacteria D) rickettsia