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uranmaximum [27]
3 years ago
5

A secondary source might be eliminated by a good researcher because

Biology
1 answer:
kiruha [24]3 years ago
7 0
Because good researchers rely on first hand account or better said primary evidence. The reason why they rely on primary evidence is because it is usually the most reliable. Much more so than secondary or even tertiary evidence. This enables them to understand the history of a certain topic better. 
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2. Why is this change in global temperature a concern
12345 [234]
Past climate changes led to extinction of many species, population migrations, and pronounced changes in the land surface and ocean circulation. The speed of the current climate change is faster than most of the past events, making it more difficult for human societies and the natural world to adapt.
6 0
2 years ago
During a myocardial infarction, proteins that are normally inside the cells leak into the plasma, due to.
Alex_Xolod [135]

During a myocardial infarction, proteins that are normally inside the cells leak into the plasma, due to loss of plasma membrane integrity.

<h3>Cardiac disorders and it's effects:</h3>

There are different types of cardiac or heart disorders that occurs due to different etiological origins.

Example of a cardiac disorder is the myocardial infarction.

Myocardial infarction is defined as the blockage of blood flow to the heart by the presence of blood clot.

This hinders the delivery of oxygen carried by the blood to tissue cells leading to apoptosis (which is a programmed cell death).

This will cause the plasma membrane of cells to lose its integrity leading to leaking of proteins into the plasma.

Learn more about myocardial infarction here:

brainly.com/question/1373449

5 0
2 years ago
A person who has type AB blood and is heterozygous for Rh factor has children with a person who is heterozygous for type A blood
MatroZZZ [7]

Blood type is determined by the alleles coding for the antigen present on cell membranes.

The person with type AB blood has a heterozygous Rh factor.

  • Half the gametes have Rh factor (+) and the other half are negative for Rh factor (-)
  • Half the gametes have IA and the other half have IB
  • The possible gamete combinations are IA+, IA-, IB+, IB-

The person with heterozygous type A blood is negative for Rh factor

  • All gametes are negative for Rh factor (-)
  • Half the gametes have IA and the other half have IO
  • The possible gametes are IA-, IO-

The genotype ratio is 1:1:1:1:1:1:1:1

The phenotype ratio is 2: 2:1:1:1:1.

Learn more about blood types here:

brainly.com/question/21209477

#SP10

8 0
2 years ago
Explain how increased understanding of biology and science in general should enable humans to live longer and healthier lives.
makkiz [27]

Answer:

Yes it can

Explanation:

Because when they know it , this Will follow

Proper hygiene

Prevent extinction

know parasite and how to prevent them

6 0
3 years ago
Which of the following describes the relationship between genes and chromosomes?
kondor19780726 [428]

Answer:

Genes are segments of deoxyribonucleic acid (DNA) that contain the code for a specific protein that functions in one or more types of cells in the body. Chromosomes are structures within cells that contain a person's genes. Genes are contained in chromosomes, which are in the cell nucleus.

Explanation:

3 0
3 years ago
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