Enzymes are biological catalysts. Explain what they do in living systems

1 answer:

7 0

An enzyme lowers the activation energy of a reaction so it can take place within living organism, so an enzyme is a biological catalyst.

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What process is depicted in the basal layer of the glandular epithelium shown in b?

Snowcat [4.5K]

Answer;

-Cell division

Explanation;

-Glandular epithelium forms the covering of all major glands. It is also present in the intestinal lining.

-Cells are regenerated by division in the basal layer and migrate toward the apical surface to replace cells lost by fragmentation. Cell division is indicated by the mitotic phase cells located in the deepest (basal) layer of the glandular epithelium.

5 0

3 years ago

The model below shows the Moon at one position in its orbit around Earth. The white half of the Moon represents the part of the

Furkat [3]

Answer: Although the Moon appears to shine, it does not emit light. Instead, we can see the Moon because it is lit up by the Sun.

Explanation:

The part of the Moon that is both sunlit and facing Earth is called the Moon's phase.

As the Moon orbits Earth, the Moon's phase changes. The model below shows the Moon's phase at eight positions in its orbit. The smaller moons closer to Earth show where sunlight hits the Moon. The larger moons farther from Earth show how the Moon will look during that phase.