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Lady_Fox [76]
2 years ago
11

Help me solve this problem please i'm trying pass the 7th grade please

Biology
1 answer:
GalinKa [24]2 years ago
6 0
50% of the offspring should be homozygous recessive
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Which statement best explains why a third domain, Archaea, was added to the original two domains of Bacteria and Eukarya?
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The GCF of 4x and 32 is 4, so the first step is to divide each term by 4. The quotients are x and 8. The factored expression will be 4(x + 8).

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What is Nuclear Fusion. ​
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What type of bonds are shown in this diagram?
Alika [10]

The type of bond that are show in the diagram above is option C which is metallic bond and it is a chemical bond or electrostatic force of attractions that exist between conducted electrons in metal ions.

<h3>What is metallic bond?</h3>

Metallic bond is a form of chemical bond or force of electrostatic attractions that exist between the positively charged metal ions which give room for conduction of electricity or heat.

This type of bond only occur in metallic substances or objects alone. This is characterized by high boiling and melting points.

Therefore, The type of bond that are show in the diagram above is option C which is metallic bond and it is a chemical bond or electrostatic force of attractions that exist between conducted electrons in metal ions.

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8 0
2 years ago
1. Plants carry out chemical reactions that make sugars, which contain carbon, hydrogen, and oxygen, from carbon dioxide (CO2) a
Hatshy [7]

Answer:

Radioactive labeling is a procedure used to monitor the path followed by a chemical element within  a biological system to demonstrate the source.

Hypothesis:

The free oxygen produced during photosynthesis comes from water.

Procedure.

Single-celled algae were placed in four petri dishes containing carbon dioxide, glucose dissolved in  Water.

In each box the oxygen was radioactively marked.

1 petri dish with CO2 marked. Experimental groups

2 petri dish with H2O marked. Experimental groups

3 petri dish with Glucose marked. Experimental groups (control)

4 petri dish with CO2 + H2O + Glucose, all marked. (control).

6 0
3 years ago
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