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kow [346]
3 years ago
6

Madame Marie Curie is remembered for her pioneering work in the field of radiation research. Curie discovered the elements radiu

m and polonium and determined their atomic weights and their places in the periodic table. She was the first to discover methods for extracting pure radium salts and metal. Curie was also the first to use the term "radioactivity," and she developed methods for measuring radioactivity and its effect on living cells.
As in the case of Marie Curie, prolonged exposure to radioactivity of any kind can lead to ALL BUT one of these results.
A) cancer.
B) death
C) leukemia
D) pneumonia
Biology
2 answers:
Valentin [98]3 years ago
7 0
Pneumonia is not a result of prolonged radioactivity exposure, most especially regarding the cause of death of Marie Curie. In fact, pneumonia is primarily caused by bacteria and viruses infecting our lungs most specifically the alveoli. This alveoli gets filled with fluid, like water, that would cause extreme coughs.
Ira Lisetskai [31]3 years ago
5 0

D, I had this question on USA test prep. hope this helped!

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What cell produces DNA to the body
prisoha [69]

Answer:

DNA is not neccessarly produced, but is copied from when a parent cell divides into two daughter cells

Explanation:

If you mean where the DNA is stored, it is stored in the nucleus

6 0
3 years ago
A scientist is comparing cancerous cells with noncancerous cells.
Simora [160]

The scientist should notice that the cancer cells have a <u>higher</u> rate of cell division and  have a <u>lower</u> response to inhibiting factors. Cell groups that are cancerous should  have a <u>lower</u> percent of cells in interphase than noncancerous cells.

Explanation:

The general characteristics of cancerous cells are defined by the ‘hallmarks of cancer’ like ‘enable replicative immortality, activate invasion and metastasis, resist cell death, evade growth suppressors’ etc. All these facts prove that they grow and divide at a higher rate and undergo uncontrollable mitotic cell division leading to proliferative invasion.

The cancerous cells also show low or no response to inhibiting factors like growth suppressors like p53, cyclins and other anti-tumor drugs.

The number of cancer cells in interphase is lower than noncancerous cells because interphase is a phase of cell growth, development and differentiation. Cancer cells undergo uncontrollable mitosis and more time is spent after the interphase to facilitate rapid cell division rather than growth or development.

7 0
3 years ago
Help please I will give brainliest if it is a right and valid answer with atleast 2 sentences. Thanks so much
Olegator [25]

Explanation:

Lucille's cells need oxygen. In order for cells to properly function, they need to be oxidized. If Lucille's respiratory system is not working then her body cannot receive the oxygen that it needs in order to send to her blood cells. The circulatory system pumps Lucilles's blood around her body but if there is no oxygen, Lucille's cells/heart cannot properly function, this making it difficult for her to play soccer.

4 0
3 years ago
Summarize What adaptations do cephalopods have to live an active way of life?
Alina [70]

Answer:

The answer is below

Explanation:

The adaptations that cephalopods have, to live an active way of life are numerous, some of which are:

1. Development of a SIPHON. This is a form of the adapted foot that supports survival such as swimming and directional movement.

2. A powerful and flexible arm for movement and protection

3. Using ink to form visual distractions, against predators.

Note that a good example of cephalopods are known as octopus

7 0
3 years ago
Exchange of nutrients, gases, and waste molecules occurs across capillary walls. fluid is also exchanged. most of the fluid is m
bagirrra123 [75]

The correct answer is filtration.

The small molecules can cross in and out of the capillaries through facilitated or simple diffusion. However, the majority of the flow of capillary and tissue fluid takes place through the process of filtration and reabsorption. Filtration refers to the movement of the fluid out of the capillaries and is mediated by the capillary hydrostatic pressure.

6 0
3 years ago
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