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vlabodo [156]
3 years ago
11

The first strands of DNA were observed through which microscope? tunneling microscope simple microscope compound light microscop

e electron microscope
Biology
2 answers:
pickupchik [31]3 years ago
8 0
Technically, X-ray crystallography, which is like an unfocused electron microscope, was first used to see DNA structure. Scientists today use more refined electron microscopes for researching DNA and its structure.
Norma-Jean [14]3 years ago
5 0

Technically, X-ray crystallography, which is like an unfocused electron microscope, was first used to see DNA structure. Scientists today use more refined electron microscopes for researching DNA and its structure

Explanation:

The electron microscope is a kind of microscope that uses a beam of electrons to produce an image of the specimen. It is acceptable of important special magnifications and has a greater resolving power than a light microscope, providing it to see much smaller objects in precise detail.

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Susan, a mother with Type B blood, has a child with Type B blood. She claims that Craig, who has
laiz [17]

Answer:

A child with type B blood can have a mother with type B blood and a father with type O blood so the judge grants her request and decides due to Susan is right and Craig must pay child support (option b).

Explanation:

Susan is right in this case because her <u>son with type B blood may have a mother with type B blood and a father with type O blood</u>.

Blood types, according to the ABO system, depend on the existence of surface antigens A or B —Types A, B and AB— or their absence in the erythrocyte membrane.

In the inheritance of blood groups A and B are co-dominant, while the absence of antigens —type O— is a recessive trait.

Assuming that Susan has a genotype B/B and that Craig has a genotype O/O:

<em>Alleles      O     O </em>

<em>B            B/O  B/O </em>

<em>B            B/O  B/O</em>

So it is very likely that the child is Craig's son and Susan is right.

4 0
3 years ago
The genootype for a pea plant that is hom0zygous recessive for both height and pea color
kogti [31]
Answer: b ttyy
Explanation I hope this helps
7 0
3 years ago
An element's atomic number is 42. How many electrons would an atom of this element have?
Alika [10]

Molybdenum is the element on the periodic table that has 42 as it's atomic number. It has 42 electrons. Hope this helps! =^-^=

7 0
3 years ago
During the process of photosynthesis, energy from the Sun is converted into A) chemical energy in the bonds of inorganic molecul
Xelga [282]

Answer:

b

Explanation:

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3 years ago
What would cause antibodies to attack the cells of the body?​
kaheart [24]

Answer: the antibodies mistakenly identify the cells as foreign material

Explanation:

7 0
3 years ago
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