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Afina-wow [57]
3 years ago
14

Insects have two major body segments—the cephalothorax and the abdomen. True/False

Biology
1 answer:
Sedaia [141]3 years ago
5 0
I believe it’s true, correct me if i’m wrong
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When cells communicate by the signaling process, one cell produces a _________________BLANK that must be received by the _______
velikii [3]

Answer:

1. Signaling molecule

2. Signaling receptors

Explanation:

Hormones, growth factors, neurotransmitters, etc. serve the function of signaling molecules for cells. These molecules are released by one cell and bind to the receptors present on/in the target cells to elicit the desired response. Thereby, the signaling molecules serve in cell-cell communication.

For example, insulin hormone synthesized and released from beta cells of pancreas binds to its cell surface receptors present on the surfaces of liver cells and muscle cells to stimulate the uptake of the glucose from the blood.  

Likewise, neurotransmitters released from the presynaptic neuron bind to receptors present on the membrane of postsynaptic neuron and serve to carry the nerve impulse to the postsynaptic neuron.  

8 0
3 years ago
Science biology hw please help fast
Anuta_ua [19.1K]

Answer:

A. is palisade mesophyll

B. is spongy mesophyll

EXPLANATION OF PALISADE MESOPHYLL

  • Palisade cells are found in the mesophyll of a leaf and their main function is the absorption of light so that photosynthesis can take place.
  • The palisade mesophyll consists of chloroplasts with chlorophyll that absorb the light energy
  • The mesophyll layer is made up of the palisade cell and spongy parts. #answerwithquality #BAL

8 0
3 years ago
Many plants produce seeds which have small hooks on them. These hooks will attach to animals as they
Pavlova-9 [17]
I believe the answer is D
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3 years ago
What do many scientists believe about the purpose for asteroids.
katovenus [111]

Answer:

Various scientists describe asteroids in different ways:

  • Some scientists consider it to be rocks which orbit around the sun.
  • Other consider it to be small planets.

The majority of the scientists agree that asteroids might have come into existence at the time of solar formation. The parts which broke down during the formation of the solar system resulted in the formation of asteroids.

<u><em>Scientists believe that asteroids might not have a major function in the universe but studying them would be of great benefit. This is because as they are parts broken from the solar system, exploring them will let us know about some unknown features of the other solar system bodies. </em></u>

5 0
3 years ago
Please help, I know the answer is on chegg if you have it.
Romashka-Z-Leto [24]

Answer: Lipids

Explanation: The ratio of saturated and unsaturated fatty acids (lipids) determines the fluidity in the membrane at cold temperature.

7 0
3 years ago
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