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ddd [48]
3 years ago
10

Bacteria and viruses can multiply on living and nonliving surfaces. question 71 options:

Biology
1 answer:
Bad White [126]3 years ago
5 0
Both because they have to have a host to feed on
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Sarah turns quickly and sees the soccer ball hurtling toward her face. She blinks and ducks for cover. During this reaction, Sar
balandron [24]

Answer:

The correct answer is: C.

Explanation:

  • The given situation is the example of a Reflex Action.
  • Reflex action can be defined as an action shown in response to a sudden stimulus.
  • The CNS or the Central Nervous System is comprised of the Brain and the Spinal Cord which receives the Sensory impulses from the Receptor organ, integrates or decides on the response which needs to be provided and then sends the Response impulses to the Effector organ.
  • The PNS or the Peripheral Nervous System is comprised of the sensory and motor neurons those are responsible for connecting the Sensory organ and the Motor organ to the CNS, respectively.
  • In the situation, Sarah's eyes perceives the ball and sends sensory impulses through the optic nerve containing the sensory neurons (PNS) to the spinal cord.
  • The spinal cord possess inter-neurons (CNS) that decides over the action to be done in response to the stimulus.
  • The Response stimulus is send from the inter-neurons via the motor neurons (PNS) to the eye muscles of Sarah and Sarah performs the action, that is, she blinks.
6 0
3 years ago
What is the relationship between T cells and stem cells?.
goldfiish [28.3K]

Answer:

T cells are born from hematopoietic stem cells, found in the bone marrow. Developing T cells then migrate to the thymus gland to develop (or mature). T cells derive their name from the thymus.

Explanation:

5 0
2 years ago
This type of map indicates features of the land like oceans, mountains, and forests by using different colors.
ICE Princess25 [194]

Answer:

the answer to this question is: Physical Map.

hope this helps!

Explanation:

6 0
3 years ago
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How is the DNA described and what does this mean?
alexira [117]
Deoxyribonucleic (DNA) pronouced (de-ok" si-ri"bo-nu-kle'ik). It is a Nucleic Acid. DNA is one of two major classes of molecules, the other is RNA. Typically, DNA is found in the nucleus (control center) of the cell, where it constitutes the genetic material, or genes. 
<span>DNA is a long, double stranded polymer-a double chain of nucleotides.</span>
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3 years ago
If a double foul occurs during a down in which time expires, the period is ended
Zina [86]
This statement is false.

Double fouls are when two players on opposing teams commit a foul, which makes the fouls of the players "cancel out" and ball possession does not change. However, personal fouls are still charged on both of the offending players.
4 0
3 years ago
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