Write a short paragraph on "The harmful effects of micro-organisms" in about 5-6 lines.

Which best describes a gene? different allele forms of a trait tightly coiled strands of DNA the center of a chromosome a segment of chromosomal DNA

Two knots is equal to: 2 miles per hour 2 nautical miles per hour 2 degrees per hour none of the above

What layer of he atmosphere contains almost 80% of the amosphere total mass

Quinn went to her biology laboratory. They were doing an experiment with dangerous chemicals and so the teacher told the students to get ready for the experiment.

A single atom of carbon is joined to a hydrogen atom. What is the maximum double single bonds the carbon has yet to form A. 1 b. 2 c. 3 d. 4

What is tolerance (explanation)

Which actions should a nurse take while caring for a preschooler whose blood lead level is found to be 25 mcg/dl? select all that apply?

Sodium benzoate is a bitter chemical often used in tiny amounts as a food preservative. The ability of humans to taste sodium benzoate is caused by a dominant allele, t. The recessive allele ("non-taster") is n.

Which of the following correctly displays the sequence of developmental milestones? A) blastula → gastrula → cleavageB) cleavage → gastrula → blastulaC) cleavage → blastula → gastrulaD) gastrula → blastula → cleavage

What is true about DNA