Answer:active transport
During active transport, ATP is required to move a substance across a membrane, often with the help of protein carriers, and usually against its concentration gradient. One of the most common types of active transport involves proteins that serve as pumps.
Answer:
A river can produce the following features through erosion:
- Meanders
- Cliffs
- V-Shaped valleys
- Bluffs
~Hope this helps!~
I think the letter "D" would be the best answer. i'm not completely sure though.
Imagine this. Below is a punnett square.
<u> r R </u>
R <u>| rR | RR|
</u> R <u>| rR | RR|
</u>So the conclusions are that there is a 50% chance of it being homozygous, or heterozygous cow. Both would be red, because the red gene is dominant in both outcomes.
<u>
</u>Hope this helps.<u>
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