Summarize analyze the role of catalysts in chemical reactions

What is the most likely cause of algal blooms? O A. Deforestation O B. Increased precipitation O C. Burning of fossil fuels O D. Fertilizer runoff

1. Skeletal muscle fibers do not have gap junctions, but heart muscle cells do. Why do you think there is this difference? In other words: Why would it be bad to connect skeletal muscle fibers with gap junctions? 2.

During diffusion, molecules move in what type of motion? A) curvilinear B) parabolic C) random D) straight-line

Bt corn is a genetically modified crop that contains a gene from another species. which characteristic does this gene give the plant?

What does a NSF seal certify?

What is the dependent variable? Also what is the Testing Variable.

Statistics about the climate in a tundra ecosystem were collected for 30 years. which hypothesis about a population of caribou could be made based on the climate data collected? a. caribou calf survival is directly related to annual rainfall amounts.

Since plant cells do not have centrioles, how do they make spindle fibers during mitosis?

Plants use sunlight to produce some ATP during photosynthesis. How do plants produce ATP when the Sun is not out? a. Plants are secondary consumers. b. Plants also use cellular respiration. c. Plants extract ATP from the stars. d.

Describe 4 ways that we know the global climate is changing