Bacterial cells have no what

Which disease usually first appears in childhood? hepatitis B type 1 diabetes hepatitis A type 2 diabetes

Which of these statements about the hip joint is false?

A cart accelerates at 2 m/s2 when a force of 60 N is applied. What is the mass of the cart? (Formula: F=ma) 0.03 kg 30 kg 62 kg 120 kg

What did Chargaff discover while studying bases in the DNA of organisms? The bases in the DNA of each organism were unique. The ratios of thymine and adenine were similar, as were the ratios of guanine and cytosine.

An earthquake is best described as a Short term Long term Global Climatic

compare and contrast the functions of each of the following types of flask: filter, Erlenmeyer, volumetric

Which of the following is not a factor in determining if an animal should be placed on the endangered species list? the animal's fur is valuable to humans. the animal's habitat is threatened. the animal is predated on significantly by other animals.

In Costa Rica one can find the Arenal Volcano surrounded by the Cloud Forest, a rainforest, and multitudes of life forms. This area demonstrates the interaction of which of the following "spheres"? Check all that apply. A. biosphere B. exosphere C.

The process of chemical cycling is known as a biogeochemical cycle because it a. takes places over a long period of time b. withdraws the chemical form the atmosphere as a gas c. absorbs the chemical involved from the sediment d.

What step first happens in DNA replication?