Recall from the text in the example of cell communication in streptococcus pneumoniae that the rate of dna uptake by pneumococcal cells increases sharply when they are at high density, due to changes in gene expression brought about by signaling between cells. if the pneumococcal cells did not express receptor protein, how would the rate of dna uptake be affected when the cells reach high density?

Which of the following are the functions of the integumentary system? yadda-yadda, the 1st answer is the brainliest. : )

Graded assignment lab report answer the questions below. which combinations of substances resulted in a chemical change? for each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. make a general statement about the reactivity of the metals in this experiment.

Interactions between organisms and their environment impact the organism’s overall population. the jaguar panthera onca is the largest cat in north america. it is found in areas across the southwest, including arizona, new mexico, and texas. it is a carnivore that has powerful jaws and sharp teeth and preys on fish, turtles, tapirs, and many smaller mammals. which shows the relationship between the jaguar and turtles?