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marin [14]
3 years ago
8

Where do the Eustachian tubes lead

Biology
1 answer:
son4ous [18]3 years ago
5 0
The middle ear to nasopharynx which consist of the upper throat and back of the nasal cavity. <span />
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If one strand of DNA double helix has the following nucleotide sequence ATCGGTCAAGCTAGG what would the dna complementary stand r
joja [24]

Answer:

TAGCCAGTTCGATCC

Explanation:

In DNA, there are 4 different nucleotide bases. Adenine (A), Thymine (T), Cytosine (C) and Guanine (G).

A (adenine) always pairs with T(thymine) and C(cytosine) always pairs with G (guanine).

If we have the strand:

ATCGGTCAAGCTAGG  

We have to pair A with T, and C with G. Therefore, the complementary strand of DNA will be:

TAGCCAGTTCGATCC

4 0
4 years ago
In this reaction _____. A scheme of a chemical reaction. The reactants are two molecules, one of which consists of A and B, and
Fantom [35]

Answer:

The chemical reaction is: AB + CD ---> AC + BD  (ΔH=  - )

Explanation:

After the reaction between two reactants, two products are generated.

As the products have less energy than the reactants, this energy is released and ΔH is negative

8 0
3 years ago
A scientist is developing a computer model to determine the maximum population size, or carrying capacity, of eagles and other b
PtichkaEL [24]

Answer:

Habitat destruction and degradation, illegal shooting, and the contamination of its food source, largely as a consequence of DDT, decimated the eagle population.

3 0
3 years ago
¿Se pueden transferir mutaciones en todo tipo de células a la generación futura?
Arturiano [62]

Answer:

No

Explanation:

No todas las mutaciones conducen a la evolución. Solo las mutaciones hereditarias, que ocurren en los óvulos o los espermatozoides, pueden transmitirse a las generaciones futuras y contribuir potencialmente a la evolución.

7 0
3 years ago
Read 2 more answers
Scientist who studies the plant life in an environment
mr_godi [17]
A scientist who studies plants is called a botanist.
5 0
3 years ago
Read 2 more answers
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