What molecule allows a blade of grass to stand up straight

Pancreatic juice and bile are poured through which duct?

What is the effect of opening the voltage gated sodium channels on the membrane potential? (a) Makes the interior of the cell less negatively charged (b) Makes the interior of the cell more negatively charged (c) Makes the interior of the membrane

What is the role of enzymes in the DNA replication process? Enzymes read the DNA code and build a new DNA molecule from scratch. Enzymes link together to form a template for a new DNA molecule to be built.

Luminous objects such as flashlights emit light that we can see. How do we see an object that isn't luminous? The object emits light that reaches our eyes. Light reflects off the object and reaches our eyes.

Which best describes how graphs are used in science? 1: A graph models data 2: A Graph is a type of map 3: A graph shows small-scale objects 4: A graph shows large-scale objects

What is responsible for the structures and functions of organisms

The term 'prehistory' refers to the time before writing was invented. true or false?

What are the three types of Spatial Distribution?

Charles Darwin observed an orchid flower with very long, thin tubes that prevent many species from feeding on flower nectar and pollinating the flower.

What must you know to solve Kepler's third law, the law of periods?