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Leya [2.2K]
3 years ago
6

Help me please i need to know

Biology
1 answer:
m_a_m_a [10]3 years ago
4 0

First thing to remember is that interphase is a stage associated with replication of DNA, and growth.


Once meiosis starts, the purpose is to produce a haploid gamete. So there is no further need of replication or growth.

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Explain how the use of a chemical designed to kill grasshoppers could reduce the population of peregrine falcons.
Butoxors [25]
Peregrine falcons have a wide diet, including many types of smaller birds. These birds eat bugs like grasshoppers. So, if the grasshopper population decreases, then the birds who are a food source to peregrine falcons will also have a lower population. This means that there is a lesser amount of food for the peregrine falcons to eat, so their population will decrease as well. 

Good luck with your problems!
6 0
3 years ago
Through which microscope were cells first observed?
poizon [28]

Compound microscope

<h3>Further explanation</h3>

In 1665, Robert Hooke used a compound microscope to observe cells. Hooke observes the cell walls of dead plants (in the form of cork) when they appear under a microscope. He named it the cell because it looked similar to a cellula or small room inhabited by monks.

Development of microscopy:

  • 1590: Hans and Zacharias Janssen, as Dutch lens grinders, mounted two lenses in a tube to produce the first compound microscope.
  • 1660: Robert Hooke published <em>Micrographia</em>, containing detailed observations of biological materials made with the best compound microscope.
  • 1676: Anton van Leeuwenhoek was the first person to observe a live cell under a microscope, i.e., the algae Spirogyra.
  • 1931: Ernst Ruska constructed the first electron microscope. With the invention of the electron microscope, many infectious agents smaller than bacteria could be seen.

Until now, we can see how important the use of microscopes, especially in microbiology, that is the study of microorganisms.

<h3>Learn more</h3>
  1. How was the water filtered to remove debris and living organisms?  brainly.com/question/5646770
  2. About the single bonds in fatty acids brainly.com/question/1386856
  3. The theoretical density of platinum which has the FCC crystal structure. brainly.com/question/5048216

Keywords: compound microscope, Robert Hooke, cells first observed, cork, dead plant, walls, Anton van Leeuwenhoek

3 0
4 years ago
Read 2 more answers
What cellular macromolecules contain large amounts of phosphorus?
Free_Kalibri [48]
I think the answer might be Phospholipids but I am not sure
5 0
3 years ago
Both bacteria and amoeba are unicellular organisms. Bacteria are considered to be prokaryotes, whereas amoebas are considered to
Lady_Fox [76]
<span>Though both are unicellular, bacteria doesn’t possess a nucleus or cell organelles, except ribosomes, whereas amoebas possess a well-defined nucleus and all essential cell organelles.
Bacteria are prokaryotic. They do not have membrane-bound organelles.  Their DNA is also not enclosed by an envelope. They do not possess a true nucleus. 
Amoeba, however, is eukaryotic. Amoebas have a true nucleus, and it is enclosed by an envelope. The organelles are also membrane-bound.</span>
8 0
3 years ago
A new disease has recently been discovered in a community, and you have been brought in to investigate. The disease appears to p
inessss [21]

From the options what can be said about this disease is that ( B ) : The Pathogen replicates without using host cells' replication machinery and it is directly transmitted.

Since The new disease transmits from one person to another via handshake that means that the disease is a directly transmitted disease, also given that the disease can be cured with the use of antibiotics shows that the causative agent is not a virus but a bacteria. bacteria are living organisms with their own machinery for self replication, therefore they do not need the host cell to replicate the disease before transmission.

Hence we can conclude that the disease is caused by a Pathogen which replicates without using host cells' replication machinery and it is directly transmitted.

Learn more : brainly.com/question/15514

6 0
3 years ago
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