If a heavy box represents a molecule, which of the following represents passive transport in a cell?

Box sliding down a ramp

Box being pushed up a ramp

Box kept stationary on top of a ramp

Box kept stationary at the bottom of a ramp

Coal is a type of. That formed from once living plants

Which include the male and female sex cells

Which of these best describe conduction? A. Transfer of heat between two objects that are touching B. Transfer of heat by the actual movements of warmed matter C.

Which enzymes are needed to produce recombinant plasmids to be used in gene transfer? A. DNA polymerase and DNA ligase B. DNA polymerase and restriction enzyme (endonuclease) C. Transcriptase and RNA polymerase D.

Which of these things is the most contaminated with bacteria? Toilet seat. Kitchen sink.

Why is the equator warmer than the north and south pole

Recognize and use signal words, Assignment Signal words let you know what's coming next in a sentence. Signal words show relationships between ideas. Use the drop-down menus to identify the signal words in each sentences.

Which processes are caused by convection currents in the mantle? Check all that apply. 1. earthquakes 2. ridge push 3. tsunamis 4. slab pull 5. volcanic eruptions 6. subduction

Imagine that you are studying the food preferences of a lizard species across its range. you have hypothesized that because these populations are fairly separate from one another, the lizards have evolved different food preferences.

An animal cell (left) and a plant cell (right) are shown. Which organelle labeled x in the diagram is found in both plant and animal cells