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VARVARA [1.3K]
2 years ago
13

Eukaryotic cells differ from prokaryotic in that they contain cellular _______.

Biology
2 answers:
Westkost [7]2 years ago
8 0
B - prokaryotic cells do not have any organelles, as far as I know :)

eimsori [14]2 years ago
6 0
B. Organelles.

Prokaryotes (Bacteria etc.) usually have a cell wall, cell membrane, nucleoid, ribosome and a plasmid; unlike eukaryotes (Human cells) which have golgi apparatuses, Mitochondrias..etc

Hope this helps
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_____ arise from a single fertilized egg and are thus genetically almost identical.
7nadin3 [17]

Answer:

Monozygotic twins

Explanation:

Monozygotic or identical twins are those that originate from a single ovary_ and a single sperm and therefore share the same genetic load.

What happens in these cases is that the embryo splits in two, and depending on the moment in which this happens, different configurations can be expected in the development of the placenta.

When the embryo is cleaved within the first four days after fertilization it results in a bicorial-biamnotic pregnancy, that means, two sacs and two independent chorions will be visible (exactly the same as in the case of dizygotic twins from two different embryos).

4 0
3 years ago
Read 2 more answers
How does a virus enter its host cell? PLZ HELP!!
DiKsa [7]

Answer:

Virus enters into the host cell through a process called endocytosis.

Explanation:

Endocytosis is a process in which molecule enters into the cell through cell membrane. Virus also enter into the host cell through this process. After entering, the virus starts replication and grow in numbers inside the host cell and take nutrients from it which is used in the process of reproduction. When virus population increases, it cause infection to the neighboring cells.

7 0
3 years ago
A mouse is homozygous recessive for brown fur (bb). Its father was
BartSMP [9]

Answer:

bb or Bb

Explanation:

The father gave a b.   Mother needs to so she must have a b, but she only needs one.

3 0
3 years ago
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How would you classify corals' role in its community (keystone, dominant, foundation, pioneer, Indicator, or more than one) and
kogti [31]

Answer: Keystone species

Explanation: A keystone species is a species which occupied a niche so central in the ecosystem that it has a disproportionately large effect on its environment and other species in it.

The coral's function in its ecosystem is so vital that if you were to remove it, the entire community would be drastically altered beyond recognition.

The coral serves as the base structure of its ecosystem.

That is to say that many corals are hermatypic(they form reefs). This reef serves as the environmental structure of the Coral's ecosystem. Built in and around it is a very biodiverse biotic environment. The coral not only serves as a hiding place and habitat for many marine organisms including fish, clams, lobsters, etc. It serves as resting place for larger animals like turtles and also serves as hunting sites for other animal species.

The most common way of determining a keystone species, is to see what happens when that species is removed from the ecosystem. Coral have shown to be so central to their ecosystem that the bleaching of coral reefs due to tourism and climate change causes a massive loss to biodiversity. And this is quite significant as reefs are the most biodiverse marine habitats.

6 0
3 years ago
An erythrocytes carries oxygen on the?
Bas_tet [7]

Answer:

<h2>lungs</h2>

Explanation:

An erythrocytes carries oxygen on the lungs.

hope it is helpful to you ☺️

8 0
3 years ago
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