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lora16 [44]
2 years ago
13

Which structures are part of the body's first line of defense against pathogens?

Biology
1 answer:
Ad libitum [116K]2 years ago
5 0
White blood cells which forms the immune system
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Signal transduction: .
34kurt

Answer: a) relies on the uptake of an external signal molecule from the cell

Explanation: Signal transduction is known as the transmitting of any signal of a molecule from exterior of cell to interior of cell.This technique is termed as critical is taken care of successful transmission of signal effectively and positive result and reception is done by the cell surface receptors.It is also known as cell signalling. Thus,option(a) is the correct option of all.

4 0
2 years ago
Which of the following is a definition of reduction? a. Reduction is the gain of BOTH electrons AND oxygen. b. Reduction is the
Arada [10]

Answer: Option C) Reduction is the gain of electrons.

Explanation:

Reduction is a process involving a gain of electron(s), while oxidation involves a loss of electron(s).

Thus, an oxidizing agent is a substance that accepts electron(s) and become reduced, while a reducing agent is a substance that donates electron(s) and so becomes oxidized.

Thus, reduction is the gain of electron(s)

5 0
3 years ago
The test above shows test for the mystery food sample.
maria [59]

Answer:

NOTHING THERE

Explanation:

7 0
3 years ago
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When conducting an experiment on how stimuli are represented by the firing of neurons, you notice that neurons respond different
igor_vitrenko [27]

Answer: Divergence

Explanation:

One postsynaptic cell has the ability to receive the input from large number of different presynpatic cells and the divergent neurons can have connections with different postsynaptic cells.

The divergence in the neurons allows one neurons to have communication with the other neurons within a network.

The divergence neurons can communicate with any of the neurons (output) in the network.

5 0
3 years ago
Nonpoint source comes from a variety of locations and is easy to trace
inysia [295]
Nope. Nonpoint source comes from a Specific <span>locations and is easy to trace.

In short, Your Answer would be "False"

Hope this helps!</span>
6 0
2 years ago
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