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posledela
3 years ago
10

Black fur in mice (b) is dominant to brown fur (b). short tails (t) are dominant to long tails (t). what fraction of the progeny

of the cross bbtt x bbtt will have black fur and long tails
Biology
1 answer:
Lilit [14]3 years ago
5 0
None will have both black fur and long tails, but all will have BROWN hair and long tails
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Sara and Juan conducted an experiment to test which soil would be BEST for growing plants.
pantera1 [17]

Answer:

A. Type of soil

Explanation:

A control experiment is the one that is used to checkmate the real experiment.

In this case, the fourth jar that contains the mixture of all the types of the soil is considered as the control experiment.

In a nutshell, it should be generally understood here that the type of soil serves as the control for the experiment.

6 0
3 years ago
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Drag in the organelles either under all cells or 1 or 2 cells
Alex17521 [72]
What's up? i learned this a pretty long time ago so bear with me

all cells: dna, nucleus, ribosome, cytoplasm, cell membrane, (mitochondria??)

1/2: cell wall, vesicles

i think i may be wrong on mitochondria, again i honestly forget this due to the school system kinda failing us
6 0
2 years ago
Can you check if it was right and answer it if it’s wrong. Thanks <br><br> 13 POINTS!!!
dmitriy555 [2]

This question is correct. I believe so?

7 0
3 years ago
when considering the classification of joints based on the shape of the articulating bone ends, the knee functions as a type of
gavmur [86]

According to the research, the correct option is uni-axial synovial joint. When considering the classification of joints based on the shape of the articulating bone ends, the knee functions as a type of synovial joint are called a <u>uni-axial synovial joint</u>.

<h3>What are uni-axial synovial joints?</h3>

They are synovial joints because they have cartilage and a joint capsule that allow flexion and extension movement, and it is because they move in a single plane or axis that they are considered monoaxial.

In this sense, they can be located in the humeroulnar joint located in the elbow, in the femorotibial or knee joint, allowing the rear sides of the leg to be moved away or closer, and finally in the joints that form between the phalanges of the fingers.

Therefore, we can conclude that according to the research, the correct option is uni-axial synovial joint. When considering the classification of joints based on the shape of the articulating bone ends, the knee functions as a type of synovial joint are called a <u>uni-axial synovial joint</u>.

Learn more about synovial joint here: brainly.com/question/28256806

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8 0
1 year ago
If an atom has 15 electrons, how many electrons are in the n=1 energy level?
IRISSAK [1]

Answer:

In the n=1 energy level, the atom has 2 electrons

Explanation:

Electrons orbit the nucleus of an atom in multiple rings (energy levels). The first ring of the electron can only hold 2 electrons. After that, electrons are added to the second ring. Excluding the first ring, all other rings can hold a maximum of 8 electrons.

For example, Oxygen is an atom with 6 electrons. The first energy level contains 2 electrons, and the second energy level contains 4 electrons. The second energy level has room for up to 4 more electrons.

In your example of an atom with 15 electrons, there would be 2 electrons in the first ring, 8 electrons in the second ring, and 5 electrons in the third and final ring.

To summarize, all atoms have a first energy level containing 2 electrons, and all other energy levels can contain 8 electrons. This is true no matter the number of electrons.

7 0
2 years ago
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