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guajiro [1.7K]
3 years ago
8

In all muscle cells, two kinds of protein filaments slide past each other to shorten the muscle cell and generate force. what br

oad theme of biology does muscle illustrate?
Biology
1 answer:
Sav [38]3 years ago
8 0
The broad theme of biology which muscle illustrates is STRUCTURE AND FUNCTION.
Different cells in the body have specific components which help them to carry out their functions. The structure of an organ usually determine the kind of work and function it will perform.<span />
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Classification of living things takes into consideration all of the following except
Natalija [7]

the answer would be D.  Presence of cell membranes.

7 0
3 years ago
Members of the phyla Cnidaria and Bryozoa both have a circle of tentacles, which they use for feeding. Besides the difference in
Sophie [7]

Answer:

C.  Cnidarian tentacles have stinging cells, but Bryozoan tentacles are covered with cilia.

Explanation:

Cnidaria and Bryozoan, both teh phylum are classified under kingdom Animalia that contain aquatic animals found both in freshwater and marine environments.

They both use tentacles for feeding but there is diffference between there tentacles and feeding process.

Cnidarians tentacles are conist of stinging cells in the tips, which are called cnidocytes and a coiled thread-like stinger, called nematocyst. These stinging cells and nematocyst helps to capture and subdue prey. They feed over plankton or animals larger then them.

Bryozoan tentacles are covered with cilia and form an "O" or "U" shaped fold called lophophore, which helps to feed by sweeping the surrounding water. They generally feed on plankton, nudibranchs (sea slugs) and sea spiders.

Hence, the correct option is C.

8 0
2 years ago
The sides of the DNA ladder consist of alternating______ and phosphates
enot [183]

Answer:

sugar

Explanation:

The sides of the stepping stool are made of rotating sugar and phosphate particles. The sugar is deoxyribose. The rungs of the stepping stool are sets of 4 sorts of nitrogen bases. Two of the bases are purines-adenine and guanine.

3 0
2 years ago
14. The region along tectonic plate boundaries
Grace [21]

Answer: C

Explanation: Subduction is a geological process that takes place at convergent boundaries of tectonic plates where one plate moves under another and is forced to sink due to high gravitational potential energy into the mantle. Regions where this process occurs are known as subduction zones.

8 0
2 years ago
Which statements describe the mercalli scale select two options
GenaCL600 [577]

Answer:

hm...

Explanation:

This scale rates an earthquake according to how much damage it causes. This scale produces a single rating for earthquakes that reach the surface. This scale uses Roman numerals to rank the damage caused by an earthquake. This scale measures the magnitude of an earthquake based on the size of seismic waves. ithink all i got the most i cud do gl

5 0
3 years ago
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