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zaharov [31]
3 years ago
7

Which characteristic best describes all eukaryotic cells? They reproduce by binary fission. They have nuclei with DNA. They lack

cellular organelles. They are the simplest organisms.
Biology
2 answers:
Dahasolnce [82]3 years ago
7 0

they have nuclei with DNA

Andrei [34K]3 years ago
5 0

The only one that is true for all eukaryotes is that they have a nucleus with DNA.

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The inner membranes of both mitochondria and chloroplasts are folded into various arrangements. What is the advantage of having
Ostrovityanka [42]

The question is incomplete as itt does not have the options which are:

A) The folds in the membranes are a physical barrier for compounds that attempt to enter the organelle.

B) The folds allow for more surface area for the chemical reactions that occur across the inner membranes.

C) The folds allow these organelles to interact more efficiently with Golgi bodies.

D) The folds cause a necessary change in the organelles' internal pH.

Answer:

B) The folds allow for more surface area for the chemical reactions that occur across the inner membranes.

Explanation:

The mitochondria and chloroplast are double-membrane organelle that contains the outer and inner layer.

The outer layer is usually smooth of both the chloroplast and mitochondria but the inner membrane is not regular but folded.

The folding is an adaptive feature of these organelle to increase the surface area. The increased surface area allows the more ATPase in the inner membrane, therefore, increases the amount of ATP generated.

Thus, Option-B is correct.

4 0
3 years ago
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Like DNA, RNA follows base-pairing rules. Experiment to find which RNA _____________ on the right side of the Gizmo will success
Katena32 [7]

Answer: Nucleotide; Adenine

Explanation: RNA Nucleotide contains bases of Thymine, Cytosine, Guanine and Uracil. The Uracil base in RNA, substitute the base Thymine in the DNA base and bonds with Adenine like as seen in DNA base pairing.

Thus, during DNA duplication, the thymine at the top of the template strand of DNA is replaced with Uracil and binds with Adenine.

7 0
2 years ago
A chi-square test was performed and indicated that the observed numbers of offspring were significantly different from the expec
scoray [572]

Answer: C. 0.024

Explanation:

The pvalue 0.024 is < 5% which shows that the expected number of offspring were statistically different from expected.

8 0
3 years ago
What defines a group of interbreeding individuals that are reproductively isolated from other such groups?
Vika [28.1K]

Answer:

Biological species.

Explanation:

Various concept like morphology species concept, ecological species concept was introduced by the scientists to explain the biological species. The biological species concept is accepted today.

The biological species concept explains that the group of interbreeding population that has the ability to reproductively isolated from the other such group.

Thus, the correct answer is option (c).

4 0
3 years ago
Help pleaseeee which phrase describes how Jupiter and Saturn are similar?
9966 [12]
They both have many moons
6 0
3 years ago
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