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Salsk061 [2.6K]
3 years ago
5

The legs of a trapezoid are parallel. true or false.

Biology
1 answer:
Andre45 [30]3 years ago
8 0
The legs would be the lines on each side 'holding up' the structure, which are not parallel. The top and bottom lines are parallel though. Anywho, the answer is: false.
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You are examining the phylogenic relationship of a newly discovered plant species (Species 2). You amplify the RUBISCO barcode a
frozen [14]

Answer:

a. Inversion

b. Duplication

Explanation:

Inversion has the name suggest, has to do with a segment of DNA being reversed from end to end.

In this case here,

Inversion is taking place here.

species 1 ATGCAAATTTGGGCCCATGAATGGTTGCAA

species 2 ATGCAAAAATTTTGGTACGCCGAATGGTTGCAA

Therefore, the sequences in bold in species 1 are observed to be reversed end to end in species 2.

Deletion ❌❌

I am sure it's not feasible because deletion entails removal of a few sequences.

It can be seen that species 2 is longer than species 1, which gives another reason why deletion is not feasible too, as no sequences are seen to be deleted.

I believe duplication is feasible since AATT sequences are repeated once.

Our final answer,

inversion and duplication occur here.

4 0
3 years ago
How does the atomic mass of an atom differ from the atomic number?
olya-2409 [2.1K]

Answer:

1.

Explanation:

Atomic mass is protons+neutrons. Atomic number is just protons.

5 0
3 years ago
Sara is studying the human skeletal system. Her classroom has a model skeleton. What main advantage does a model skeleton have o
frosja888 [35]

Answer:

A scientific model is a representation model for a certain scientific concept. Scientific models make it easier to study a phenomenon as they tend to model out the exact phenomenons.

A drawing of an skeleton would be unclear as the children might not be able to locate certain features in the drawing. For example, a certain joint could be missed by the teacher in the drawing or the child might not exactly be able to locate where the joint or bone is present.

But as the model will be more real to the actual skeleton system hence, studying through a skeleton will make it a lot easier to study the human skeletal system.

6 0
3 years ago
A diagram explaining the cause of the seasons shows the Earth in its orbit around the sun. What is the main factor in how the ch
kati45 [8]
The awnser would be D the tilt on the earth on its axis
3 0
3 years ago
Some types of organisms obtain needed energy through predation. Please select the best answer from the choices provided T F
Kipish [7]
Answer - True

Reasoning - The reason is without predation the animals will die since if they won't hunt they won't eat and die. Yes it's important to because it helps maintain the ecosystem. For example a Tiger is on top of the food chain so it's to gotta hunt. Just like down those line of chains.
6 0
4 years ago
Read 2 more answers
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