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Bond [772]
3 years ago
12

Prokaryotic cells reproduce by

Biology
1 answer:
iogann1982 [59]3 years ago
7 0
<span>Prokaryotic cells reproduce by</span> binary fission , which includes the chromosomes splitting into two equal parts.
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In order for any animal to grow, repair its body, reproduce and carry out daily activities it must have energy. When an animal d
stealth61 [152]

Answer:

Hungry!

Explanation:

4 0
3 years ago
A cell that contains a nucleus and membrane-bound organelle is A. Multicellular B. Heterotrophic C. Prokaryotic D. Eukaryotic
Alexxx [7]
<span>Eukaryotic Can't be multicellular because it's one cell, heterotrophic are organisms that feed on other organisms to get energy, and prokaryotes don't have membrane-bounded organelles</span>
5 0
3 years ago
For fertilization to occur in humans, only one sperm is needed to weaken the barrier that surrounds the egg.
photoshop1234 [79]

Answer:

False

Explanation:

Approximately 200 out of 200 million sperms ejaculated during intercourse reach the general vicinity of the egg.  They sperms must undergo capacitation during which dilute inhibitory factors fluids of the female reproductive tract weaken the membrane of the sperm head so that head of the sperm can be broken easily when it came in contact with the egg.

The first sperm to reach an egg isn’t the one to fertilize it because the egg is surrounded by a gelatinous membrane called the zona pellucida. Outside this layer, a layer of small granulosa cells also present.

Therefore, it requires numerous sperm to clear a path through these barriers before one of them can penetrate the egg and fertilize it.

8 0
3 years ago
The numbers listed represent the number of electrons in the first, second, and third energy levels, respectively. On this basis,
yulyashka [42]

Answer:

D

Explanation:

This is because one of its orbital shells is not filled – the one with 1 electron. This atom will, therefore, want to lose this electron – it takes less energy to do this than gain 7 electrons -- to achieve stable electron configuration. This makes this atom very reactive in a chemical reaction.  Usually orbital shells of atoms begin with an S orbital shell that is filled with 2 electrons then P (x,y,z) orbital shells filled with 6 electrons total. There are also higher energy f and d orbitals that each take a maximum 10 and 14 electrons respectively. An atom is stable if its orbitals are fully filled.  

6 0
3 years ago
Order the following components of matter from smallest to largest: compounds, electrons, elements, protons, and neutrons.
AnnZ [28]

Answer: Nuetrons, protons, electrons, elements and compounds

Explanation: Atoms are the smallest components of matter and it is comprised of these three subatomic particles; nuetrons, protons and electrons. Next in the order are the elements (found in periodic table). Elements are made of atoms and compounds are large molecules made of elements. Elements are pure substances that cannot be broken down into smaller substance by chemical reactions whereas compounds can be broken down further.

6 0
3 years ago
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