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masha68 [24]
3 years ago
8

Dr. Charles is using _____ when she uses strong magnets to track changes in the brain's blood-oxygen levels.

Biology
1 answer:
jarptica [38.1K]3 years ago
3 0

Dr. Charles is using fMRI when she uses strong magnets to track changes in the brain's blood-oxygen levels.

Functional magnetic resonance imaging or (fMRI) is a techique used to measure brain activity by detecting changes associated with blood flow. When an area of the brain is in use, blood flow to that region will increase.


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describe and explain the adaptations of sperm and ovum that enables fertilisation and early development of the embryo to occur​
Mekhanik [1.2K]

The adaptations of the sperm and egg that allow fertilization to take place, and copulation occurs for the sperm to be deposited. These sperm penetrate the cervix and travel to the fallopian tube. There, they must find an oocyte, which is released in the process of ovulation.

<h3>What is fertilization and embryo development?</h3>

In the first weeks after fertilization, the zygote makes many changes and develops rapidly. The first eight weeks of development is known as the organogenic period and is the embryonic stage of development. This period is a crucial phase of development for the embryo's organs.

With this information, we can conclude that The first three days of embryonic development occur in the fallopian tube as the embryo moves from the ovary to the uterus. Cell division continues and forms a hollow ball of cells (the blastocyst). Six days after fertilization, the embryo begins implantation into the lining of the uterus.

Learn more about  embryonic in brainly.com/question/14560716

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4 0
1 year ago
Compare and contrast gram-positive and gram-negative cell walls with regard to (a) sensitivity to antimicrobial agents, (b) resi
yKpoI14uk [10]

Answer:

Kindly find the attached file

Explanation:

5 0
3 years ago
Most of the oxygen transported by the blood is___________.
Pie

Answer:

c. Bound to hemoglobin.

Explanation:

The oxygen is relatively insoluble in plasma. At normal atmospheric pressure, only 0,3% of oxygen dissolves. That why there are respiratory pigments that <u>elevate almost 70 times</u><u> the capacity to transport O₂ of blood</u>. The most common respiratory pigments are hemoglobin (in all vertebrates and some invertebrates) and hemocyanin (in mollusks and arthropods).

8 0
3 years ago
How is it possible for a horse and a donkey to create a mule? Are there any other examples of inter-species breeding in nature?
puteri [66]

Answer:

Horses have 64 chromosomes and donkeys 62, so when the two breed their mule offspring ends up with 63. Because this is an odd number, it's impossible for them to divide evenly into two. That means the mule cannot produce sperm and egg cells that carry exactly half the animal's chromosomes, as should happen.Aug 28, 2018

3 0
3 years ago
An individual who displays the disease sickle-cell anemia must have inherited the deleterious allele from both phenotypically no
Dvinal [7]

Answer:

Homozygous recessive

Explanation:

The parents of the individual displaying the sickle cell anemia (SS) are phenotypically normal parents meaning, both parents are carriers of the (AS) gene which is a recessive trait for sickle cell anemia.

The individual took up the SS allele from both parents which makes him/her homozygous recessive. An individual is said to be homozygous recessive if that individual carries two copies of the same recessive allele.

Homozygous dominant is when an individual carries two copies of the same dominant allele (e.g AA).

5 0
3 years ago
Read 2 more answers
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