Answer:
not see clearly yrr.........
Animal cells lack a cell wall and instead have a cell membrane. They have lysosomes and ribosomes, and a nuclear membrane surrounds their nucleus. Accordingly, the first description;
- Cell membrane present;
- ribosomes present;
- lysosomes present;
- nuclear membrane present.
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What is lysosome?
Every eukaryotic cell contains lysosomes, which are membrane-bound organelles. They are well-known as terminal catabolic stations that eliminate waste from cells and scavenge metabolic raw materials to maintain vital biosynthetic reactions under starvation.
Matches with ANIMAL cell
On the other hand, plant cells feature a structure known as a cell wall that is more stiff than cell membranes. Large vacuoles are a characteristic of plant cells. Additionally, they have a nuclear membrane covering their nucleus. The following explanation:
- Cell wall present
- Ribosomes present
- Nucleus present
- Large vacuole present
Matches with PLANT
Viruses do not have any membrane on its wall nor its nucleus. Basically, they have no internal structures. The fourth and last description:
- Reproduces inside of a cell
- Nucleus absent
- RNA present
Matches with VIRUS
Prokaryotes are simple cells that do contain a cell wall, but because they lack a clearly defined nucleus, they also lack a nuclear membrane. The subsequent explanation:
- Cell wall present
- Ribosomes present
- Nuclear membrane absent
Matches with PROKARYOTE
For more information regarding lysosome, visit:
brainly.com/question/1945886
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Answer:
The brain is part of the nervous system due to the fact that it is made up of tissue.
Enzymes function best at the normal pH level they were made to be in. Most work best at a neutral pH level (7), but some enzymes such as pepsin (located in the stomach) work best in very acidic pH levels. If the pH level becomes too acidic for the enzyme, it can lead to denaturing of the enzyme's active site.
