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Karo-lina-s [1.5K]
3 years ago
7

What is a substance?

Biology
1 answer:
AysviL [449]3 years ago
4 0
It’s A because I Know it
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A science classs is studying an organism. Using a microscope, the class observed that the cells have nuclei and chloroplasts. In
const2013 [10]

Answer:

Eukarya

Explanation:

According to the given information, the observed cells have nuclei and chloroplasts. The presence of a well-defined nucleus and other membrane-bound organelles such as chloroplasts is a feature of eukaryotic cells. All the eukaryotic organisms are assigned to the Domain Eukarya. Therefore, the observed cells belong to the domain Eukarya. Due to the presence of chloroplasts in them, these cells may belong to the kingdom Plantae of domain Eukarya. Domains Archaea and Bacteria include prokaryotic organisms.

5 0
3 years ago
Why is the plasma membrane selective?
lakkis [162]
I think it’s So lipid-soluble molecules do not enter or exit the plasma membrane unassisted


Hope this helps so sorry in advance if it’s wrong but hope it helps
3 0
3 years ago
Which phrase best describes the time period in which the current body of scientific knowledge was developed?
Alla [95]

the answer is B.


hope this helps.

3 0
3 years ago
Read 2 more answers
Periodic table of elements an atom contains 11 protons and 12 neutrons, its atomic number will be_ and the mass number will be _
nalin [4]

Answer: the atomic number is eleven because the number of protons is equal to the number of electrons which is also equal to the atomic number.

The atomic mass is the protons+neutrons which after adding will give 23.

Explanation:

6 0
3 years ago
From which type of cells did ulticellular organisms arise?
slava [35]
Multicellular organisms arose from E<span>ukaryotes, a single celled organism.</span>
3 0
3 years ago
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