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Alchen [17]
3 years ago
12

What is the significance of chitin in arthropods?

Biology
1 answer:
yKpoI14uk [10]3 years ago
5 0
 <span>The significance of chitin in arthropods is Chitin is a structural carbohydrate that forms their exoskeleton. </span>
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Jessie was conditioned to blink using an air puff and a tone. the experimenter then presented only the tone until the blink resp
kondor19780726 [428]

This is referred to as: spontaneous recovery

Spontaneous recovery is a theory of learning and memory which involves unexpected and recurrence of a conditioned response after a period of reduced response or delay. Spontaneous recovery is associated with classical conditioning and operant conditioning. Extinction will happen quickly after a spontaneous recovery, if the conditioned and unconditioned stimulus is not connected.


6 0
3 years ago
Explain the two different types of UAVs and how they are used.
Tamiku [17]

Answer: There are two main types of UAVs used for remote sensing applications: fixed-wing and rotary wing.

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4 0
3 years ago
Interphase is the part of the cell cycle during which these phases occur:
Nostrana [21]

Answer:

The correct answer is - A. Growth 1, Synthesis, Growth 2.

Explanation:

The cell cycle has three important phases Interphase, M -phase and cytokinesis. Interphase is the laongest phase of eukaryotic cell cycle. This phase shows no observational change in the cell, however, it collects nutrients, generates protein and replicates DNA and prepare the cell for the M- phase.

Interphase has 3 phases G1, S, and G2 phase. G1 phase is the phase that collects nutrients and increase the size of the cell for the cell division. S phase or synthesis phase is the phase takes maximum time in cell divivon and acompanied by protein generation, duplication of the genetic material. G2 phase is preparatory phase that prepeare the cell before the cell enter in the M - phase.

4 0
3 years ago
Cells require a structure that regulates the transfer of material in and out of the cell. This structure is the –
FromTheMoon [43]
Cells require a structure that regulates the transfer of material in and out of the cell. This structure is the –

Cell membrane.
3 0
3 years ago
Which of the following best describes the structure of the cell membrane?
CaHeK987 [17]

Answer:

D-A double layer of phospholipids with proteins

Explanation:

A is describing a cell wall, C is describing cytoplasm, B is describing DNA.

8 0
3 years ago
Read 2 more answers
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