Answer:
B. are complicated, larger, and have DNA captured in a membrane-bound structure.
Explanation:
DNA is found in the nucleus of the cell that is membrane bound structure.
Answer: Option B.
Help control weeds and insect pests.
Explanation:
Insect are the largest group of organisms on Earth. They belong to the phylum arthropoda and class insecta. They have hard exoskeleton, antenna, they have three pairs of legs and their body is divided into head, thorax and abdomen.
Insects are biological resources in that they help control weeds and insects pest.
The insects are use as weed control in that they feed on the weeds i.e they use the weeds as food there by absorbing the nutrients for weeds development, which lead to their inability to survival. Some canivorous insects feed on insects pest i.e use they as food, thereby reducing their harmful effects in the ecosystem.
Answer:
A . This is a positive feedback mechanism in which it is observed that the snowball increases in size with the bearing, thus the movement reinforces the size of the ball.
B .This is a negative feedback mechanism in which over time it is evident that iron levels in the body drop.
C . This is a negative feedback mechanism in which if more work is done at night the score will be decreased
D .This is also a negative feedback mechanism because when thyroid hormone levels drop, the hormone continues to decrease on its own.
E .This is a positive feedback mechanism in which sodium is observed as it passes through the cell membrane, making the process more active and causing more sodium to enter the cell.
Answer:
Mudslide
Explanation:
This is an example of a mudslide. Because it is on a mountain and it is sliding down hill that is why it is called a slide and because it is picking up eroded rocks, mud and grass it is called a mudslide.
A human cheek cell is thin, flat and has a large nucleus that contains the DNA. Its plasma membrane helps the cell to maintain suitable temperature while giving it its shape. Since it is selectively permeable, it only allows certain molecules into and out of the cell.
