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Serhud [2]
3 years ago
11

A cell is 20 micrometers across. What type of cell is this? A. Plantae B. Eukaryotic C. Animalia D. Prokaryotic

Biology
2 answers:
oksian1 [2.3K]3 years ago
8 0

Prokaryotes. The other options are much bigger

Studentka2010 [4]3 years ago
8 0
I would go with D. Prokaryotic
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HHow do you some cells become brain cells and others become skin cells when the DNA and all the cells is exactly the same in oth
Bezzdna [24]

Explanation:

In the early days of development, in an embryo, the cells are pluripotent and can differentiate into any kind of cell of the organism. As the embryo develops, autocrine and paracrine signaling between the cells of the embryo causes the cells to migrate to particular regions of the embryo and begin differentiating into respective parts of the organism. This signaling causes differential silencing of particular genes of the cells depending on the type of cells they will differentiate into. As the embryo develops into a fully grown organism, these cells lose potency (except for stem cells) and become fully differentiated into respective limbs or organs of the organism.

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5 0
3 years ago
A nurse who suspects that a newly admitted infant is the victim of child abuse assesses the parents' interaction with their baby
Semenov [28]

If a nurse suspects that a newly admitted infant is the victim of child abuse, the following parental behaviors might support the diagnosis of child abuse:

1. The parents focus on the child's role in sustaining the injury<span>
2. The parents are changing the account of how the injury occurred
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7 0
3 years ago
According to the plate tectonic theory, a plate can be made up of _____.
4vir4ik [10]
Plate tectonic theory can be made up of two things. The two things that it is made of are all oceanic lithosphere or all continental lithosphere.

8 0
3 years ago
Read 2 more answers
I need help with this (#20)
tester [92]

Answer:

a Anaphase I

b Metaphase I

c Telophase I

d Anaphase II

e Prophase I

f Telophase II

Explanation:

Prophase I begins after the DNA has been duplicated, as shown in picture e. The chromosomes are condensed, and also visible, which is apparent in picture e.

The next stage is called Metaphase I, in which the pairs of homologous chromosomes align at The the centre of the cell and the spindle fibres attach, as shown in picture b.

The pairs of chromosomes are pulled apart to opposite poles of the cell by the spindle fibres., as shown in picture a. This stage is called Anaphase I.

Then, a process called Telophase I occurs, when the cell divides into two daughter cells. One of these cells is shown in picture c.

Picture d shows the stage Anaphase II, where the spindle has attached and the chromatids are pulled to the opposite poles of the cell.

The final picture left is picture f, which shows the daughter cell at the end of meiosis II, where the nuclear envelope is reforming, as in telophase II.

8 0
3 years ago
Initially, how did scientists classify organisms?
guajiro [1.7K]
Started with the same two groups: Plants and Animals. ... This is called a binomial naming system and it has two parts. The first part of the species name identifies the genus to which the species belongs; the second part identifies the species within the genus.
7 0
3 years ago
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