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Crank
3 years ago
13

Which of leonardo's experiments ended disastrously?

Biology
1 answer:
natima [27]3 years ago
5 0
The last supper ended disastrously because the type of paint quickly faded and chipped off. (I just searched this on the internet and found this there easy to find)
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African cichlids are a group of closely related fish species. There are at least 500 known species living in three small lakes.
Readme [11.4K]
The correct answer that would best complete the given statement above would be the term ADAPTIVE RADIATION. African cichlids are a group of closely related fish species. There are at least 500 known species living in three small lakes. Over time, specialized teeth and body colorations have evolved for each species in response to mutations and competition for food and mates. This change over time is an example of ADAPTIVE RADIATION. Adaptive radiation by definition, is <span>the diversification of a group of organisms into forms filling different ecological niches.</span>
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3 years ago
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Whar aspects of these species wings show homology homoplasy?
professor190 [17]
<span>Birds and dinosaurs show homology because they are closely related, such as pigeon and tendon. They have different types of wings, but birds have evolved from dinosaurs. Unlike other species such as insects, which can be a homoplasy or a homology. This is due to its world and complexity.</span>
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How can we test for HIV during the initial acute phase?
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Acute HIV infection is the first phase of  HIV infection. The early HIV test can detect HIV during the acute HIV phase. The best test for detecting HIV infection is the early HIV test (also known as NAAT/RNA testing)

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4 0
2 years ago
Toward an Artificial Cell Scientists have recently constructed an artificial ribosome in vitro from purified ribosomal proteins
dalvyx [7]

Answer:

RNAs and proteins can bind via electrostatic interactions, hydrophobic interactions, Hydrogen bonding interactions and base stacking interactions

Explanation:

Proteins bind to nucleic acids (i.e., both DNA and RNA) through different types of interactions:

- electrostatic interactions, also known as van der Waals interactions, refer to attractive/repulsive interactions between molecules depending on their electric charges.

- hydrophobic interactions, i.e., interactions between nonpolar molecules and water molecules

- Hydrogen bonding interactions resulting from the interaction between a hydrogen (H) atom that bind to an electronegative atom (e.g., N, O, F, etc), and another electronegative atom.

- base stacking interactions that result from the arrangement of RNA nucleotides

In this case, it is also important to highlight that the interaction will depend on the specific tertiary structure of ribosomal proteins and ribosomal RNAs (rRNAs).

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Which property is shared by the cells of all living things?
Vinvika [58]

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cells, growth, reproduction, adaptation, homeostasis, use of energy and response to the environment

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