The 'peptide-binding cleft' found in class ii mhc is formed by

A cell is in a solution with the simple sugar glucose. The concentration of glucose outside the cell is 30%, and the concentration of glucose inside the cell is 20%.

Explain why wetland habitats are often preferred for converting to new agricultural land

Based on their common ancestry, which of the following is most likely true about modern birds? A. Modern bird species do not share any genetic similarities. B. Modern bird species share many genetic similarities. C.

How can fossil identification be difficult? O It is rare to find a complete set of fossils. O It is hard to tell animals apart based on their fossils.

Which structures are found in both animal and plant cells?

Jamal needs to know how fast a red oak sapling grows. What can he do to find this out? A. Grow a sapling from seed and measure its growth periodically. B. Ask his friends to find out if any of them have seen a sapling grow. C.

Will copper, lead, liquid water, or basalt cool down the fastest?

Use a calculator to compute the average heights of the plants in each group to the nearest centimeter. Week 3 Average Heights

What is the genotypic ratio of their offspring

Which of these is not an environmental effect of deforestation? overcrowding habitat loss soil erosion poisoned wildlife from pesticides