Brass gets discoloured in air because of the presence of which of the following gases in air?

A. Oxygen

B. Hydrogen sulphide

C. Carbon dioxide

D. Nitrogen

Which is known as the most venomous spiders in north america?

At which week does the fetus reach half of its full mass?

Which stages make up interphase of the cell cycle?

what kind of medical assistance will the affected child with duchenne muscular dystrophy need? Will further assistance be needed, as the child grows older?

Biology question 24. True or False Selective breeding is an example of genetic engineering

Homologous structures (Group of answer choices): A. are also called analogous structures. B. have identical functions. C. are shared by organisms of the same genus. D. have fully divergent functions. E.

Which of the following is true of an enzyme? (mark all that apply) a. it is a protein b. it is a catalyst c. it binds to many different substances d. it is small compered to its substrates

Which term would be applied to a regulatory condition that occurs when protein is associated with a particular section of DNA and greatly reduces transcription? A) induction B) negative control C) stimulation D) positive control E) activation

1. The reproductive parts of angiosperms are located within the called the and the female part is called the The male part is 2. In angiosperms, pollen produces cells. Pollen sticks to the female and travels down the style to the ovary.

Why would over-inflating the cuff of the sphygmomanometer be a problem for the patient?