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Lilit [14]
3 years ago
15

How are iron bond form

Biology
1 answer:
Anna35 [415]3 years ago
4 0
Iron is a metal and all metals have a type of bonding called metallic bonding which is different from covalent or ionic bonding. In metallic bonding the outer shells of adjacent atoms overlap, and the outer shell electrons are free to move through the lattice. ... The structure of iron is an example of a giant molecule
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Which of the following shows steps that happen to the chromosomes in Meiosis in the correct order?
lawyer [7]

Answer:

Since cell division occurs twice during meiosis, one starting cell can produce four gametes (eggs or sperm). In each round of division, cells go through four stages: prophase, metaphase, anaphase, and telophase.

7 0
2 years ago
What gets passed from one cell to another in sexual reproduction?
d1i1m1o1n [39]

Answer:

C. Chromosomes

Explanation:

During fertilization in sexual reproduction, the nucleus of the male sperm cell fuses with the nucleus of the female egg cell. Chromosomes from the sperm combine with chromosomes from the egg to give the new cell a unique genetic make-up.

5 0
3 years ago
A researcher had 15 purebred wikl mice which were brown and all females, they were all mated with a male called Bob, All offspri
cestrela7 [59]

Complete question:

A researcher had 15 pure-bred wild mice which were brown and all were females. They were all  mated with a male called Bob. All the offspring were brown. These were then crossed among  themselves with the following results: 293 brown and 115 white.

(i). Determine the color of Bob.

(ii). Determine which color is dominant.

(iii). Work out the ratio of brown to white in the ‘grandchildren.’

(iv). If the researcher crosses two of the white 'grandchildren', determine the color of their  offspring.

Use the Punnett square to work out your answers

Answer:

(i). Determine the color of Bob. BOB IS WHITE

(ii). Determine which color is dominant. BROWN IS DOMINANT

(iii). Work out the ratio of brown to white in the ‘grandchildren.’      

     PHENOTYPIC RATIO BROWN TO WHITE 3:1

(iv). If the researcher crosses two of the white 'grandchildren', determine the color of their  offspring. THE WHOLE PROGENY WILL BE WHITE

Explanation:

Due to technical problems, you will find the complete question, answer, and explanation in the attached files.

Download pdf
4 0
2 years ago
Which of the following is the best definition of a chromosome?
Dvinal [7]

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8 0
2 years ago
Which is a phenotype for earlobe shape?<br> A) a <br> B) A<br> C) Aa <br> D) detached earlobes
arlik [135]

<span>The correct answer is d: detached earlobes</span>

The phenotype is the result of genotype and its interaction with the environment. The phenotype is an observable characteristic of an organism's trait, such as its morphology. So, in this case, morphological characteristic of the earlobe is that it is detached.

7 0
3 years ago
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