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aniked [119]
3 years ago
12

What microscope did Anton van Leeuwenhoek use to observe single celled organisms

Biology
1 answer:
ikadub [295]3 years ago
6 0
He used a simple microscope
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how does the nucleus and ribosomes work together to maintain homeostasis? i need to write a 4 paragraph essay on this....
irina1246 [14]
Ribosomes are microscopic machines found within all living cells. Found on the rough endoplasmic reticulum and in the cytoplasm, the main function of ribosomes is to synthesize proteins. Ribosomes are able to make proteins by “reading” information contained within messenger RNA (mRNA). The information contained within the mRNA contains the instructions for the ribosome to assemble the proteins bit-by-bit.

Proteins are made up of chains of organic molecules called amino acids. Ribosomes grab amino acids and link them together to create proteins in a process termed translation. During translation, every protein must be folded correctly in order to function properly.

Another of the ribosome's function is to mediate the proper folding of proteins.
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How does water heat Earth?
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The water traps heat and holds it deep inside the ocean.

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3. How does having multiple methods of reproduction support the longevity of sponges in the fossil record?
Tomtit [17]

Multiple methods of reproduction support the longevity of sponges in the fossil record is described below.

Explanation:

Sponges are able to reproduce both sexually using gametes and asexually by budding. Even though sponges are hermaphroditic, individuals will only make one type of gamete at a time. There are two forms of asexual reproduction that sponges can go through: external budding and internal budding.

Sponges reproduce sexually, too. Sponges do not have separate sexes-a single sponge forms eggs at one time of the year and sperm at a different time. At any one time of the year, some sponges are producing eggs and others are producing sperm.

The volume of water passing through a sponge can be enormous, up to 20,000 times its volume in a single 24 hour period.

Sponges reproduce by both asexual and sexual means. Most poriferans that reproduce by sexual means are hermaphroditic and produce eggs and sperm at different times. Sperm are frequently "broadcast" into the water column. ... Some sponges release their larvae, where others retain them for some time.

5 0
3 years ago
Which process is not a way in which cells maintain homeostasis?
RideAnS [48]

Answer:

Changing their external environment

Explanation:

4 0
4 years ago
Read 2 more answers
Why are homologous structures used as evidence of evolution? 
Brums [2.3K]
Because it proves we are related and have same bone structures but we've each modified it to our needs
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