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Hatshy [7]
3 years ago
15

Spherical lyrics shaped bacteria are known as

Biology
1 answer:
jek_recluse [69]3 years ago
6 0
Spherical shaped bacteria are known as coccus bacteria.
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Blood must travel through capillaries at a(n) ________ rate to assist with diffusion of fluid into the interstitial space.
kompoz [17]

Blood must travel through capillaries at a slow rate to assist with diffusion of fluid into the interstitial space.

Hope this helps!

3 0
2 years ago
Will a person with cycloplegia have difficulty with near or distance vision? Explain
Lana71 [14]

Answer: Near

Explanation:

The paralysis of the ciliary muscle, the curvature of the lens can no longer be adjusted to focus on nearby objects when it is damaged or weakens throughout time.

5 0
3 years ago
Which of the following statements is true?
Mademuasel [1]

Lysosomes and chloroplasts are unique to plant cells.

5 0
3 years ago
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Describe how a magnetic field can produce a change in energy.
Olenka [21]

Answer:

Magnetic fields can be used to make electricity

Moving a magnet around a coil of wire, or moving a coil of wire around a magnet, pushes the electrons in the wire and creates an electrical current. Electricity generators essentially convert kinetic energy (the energy of motion) into electrical energy.

Explanation:

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3 0
3 years ago
Please also describe how actin-binding sites are made available for cross-bridging with myosin heads during contraction.
yaroslaw [1]

Answer: The calcium ion binds to troponin, and this slides the tropomyosin rods away from the binding sites.

Explanation:

Contraction and relaxation of muscle cells brings about movements of the body. The contractile myofilament called sarcomeres are bounded at each end by a dense stripe called the Z - line, to which the myosin fibres are attached, and lying in the middle of the sarcomere are the actin filaments, overlapping with the myosin.

When action potential spreads from the nerve along the sarcolemma (muscle cell membrane), it penetrates deep into the muscle cell through the sarcoplasm (cytoplasm of muscle cell), and releases CALCIUM from the intracellular stores.CALCIUM triggers the binding of myosin to the actin filament next to it forming CROSS BRIDGES.

For this to occur, ACTIN BINDING SITE has to be made available. TROPOMYOSIN is a protein that winds around the chains of the actin filament and covers the myosin-binding sites to prevent actin from binding to myosin. The first step in the process of contraction is for calcium ions to bind to troponin so that tropomyosin can slide away from the binding sites on the actin strands.

3 0
3 years ago
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