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Roman55 [17]
4 years ago
11

All cells come from preexisting bones true or false?

Biology
2 answers:
bezimeni [28]4 years ago
8 0
It is true all cells come from preexisting cells.
andriy [413]4 years ago
6 0

Answer:

Within contemporary cell science, widely recognised sections include: All documented living beings compose of one or more cells. Both living cells come from separation from pre-existing cells. Cell is the central element of all living species with form and work.

Explanation:

Answer is above

<em><u>Hope this helps.</u></em>

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1. During what stages of mitosis would one expect to find that each chromosome is composed of sister chromatids?
Doss [256]

Answer: The answer is Prophase and Metaphase

Explanation:

A) During late Prophase:

- spindle fibers form, and chromosomes become shorter and fatter.

- Each chromosome then appear as pair of chromatids - SISTER CHROMATID - joined at the centromere

B) During Metaphase:

- the sister chromatids arranged themselves on the equator of the spindle, only to draw apart during late Metaphase.

Thus, the stages of mitosis where one would expect to find that each chromosome is composed of sister chromatids is PROPHASE AND METAPHASE

3 0
3 years ago
Read 2 more answers
Dr. Franklin wants to assess the intelligence of 1,000 people ages 20, 30 and 40. If he does this as a cross-sectional study, he
Brilliant_brown [7]

Answer:

The given blank can be filled with cohort effect.

Explanation:

A cohort effect refers to the specific influence of a group bonded by common life experiences or time. Cohorts in an organization are generally illustrated by entry date and retain some common features like cohesiveness, size, and competition, which can influence the organization.  

A cohort refers to a group of individuals who shares common experiences or features like the region where they were born, their years of birth, and others. Cohort effects are a concern for the scientists working in the fields like epidemiology, sociology, and psychology.  

4 0
3 years ago
Which of these would NOT lead to conservation and protection of the fresh water on earth?
IrinaK [193]

Promotion of increased activities such as voting and jet ski

8 0
3 years ago
Need Help ASAP!!
anzhelika [568]

Questions:

1. Supporting all stakeholders means that?

A. any solution benefits for all stakeholders equally .

B. the solution favors human needs over environmental.

C. one stakeholder is supported by the expense of the others .

D. all needs are taken into account and solutions are designed to consider them all .

2. Technology is not likely to change the field of marine science much in the future. (1 point)

A. True

B. False

3. The national oceanic and Atmospheric administration use to buoys to monitor (1 point)

A. ship traffic

B. weather patterns via satellite

C. movement of tectonic plates

D. water conditions around coral reefs

4. The first echo sounder was used in a German submarine. (1 point)

A. True

B. False

5. Why are marine oceanographers particularly concerned with coastal regions? (1 point)

A. Coastal regions are highly impacted by human activity.

B. Previous studies in marine science have largely ignored them.

C. They are the only areas that marine oceanographers can access.

D. By definition, marine oceanographers are only concerned with the coast.

6. Most colleges with strong marine biology departments are located in coastal regions. (1 point)

A. True

B. False

7. One of the biggest challenges in exploring polar regions is (1 point)

A. ice packs

B. hurricanes

C. polar bears and walruses

D. lack of latitude and longitude

8. The purpose of global regulation of the ocean is (1 point)

A. to protect and preserve the ocean

B. to deny dangerous countries access

C. to ban militaries from using the ocean

D. to minimize the role of commercial fishing

9. How did American captain William Anderson eliminate the problem of ice packs when exploring the arctic? (1 point)

A. He designed the ship to melt the ice .

B. He went under the ice packs with a submarine.

C. He developed a particularity narrow ship.

D. He went when temperatures were warmer .

10. By definition, an inorganic element is (1 point)

A. not alive

B. microscopic

C. in the ocean

D. immune to change

11. What does an echo sounder do? (1 point)

A. allows divers to better hear underwater

B. uses sound waves to map the ocean floor

C. documents sound at the deepest region of the ocean

D. eliminates all echos when divers are communicating underwater

12. There is one established method to solve all scientific problems. (1 point)

A. True

B. False

13. Regardless of the scientific question being asked, scientific research will include all of the following EXCEPT? (1 point)

A. use of the scientific method

B. a single approach in every situation

C. exploration of work by previous scientists

D. sharing results with the scientific community

14. Positive feedback in a system is (1 point)

A. words of praise

B. a benefit for the entire system

C. an interaction that benefits one element

D. an event that benefits one part while weakening another

15. What does the international ocean drilling program do? (1 point)

A. collects samples from the sea floor

B. advocates ending all drilling on the floor

C. determines international regulations for offshore drilling

D. searches the sea floor for the location of underground oil

Answers & Explanation

1. D. all needs are taken into account and solutions are designed to consider them all .

2. B. False

3. D. Water conditions around coral reefs

4. A. True

5. A. Coastal regions are highly impacted by human activity.

6. A. True

7. A. ice packs

8. A. to protect and preserve the ocean

9. B. He went under the ice packs with a submarine.

10. A. not alive

11. B. uses sound waves to map the ocean floor

12. B. False

13. B. a single approach in every situation

14. C. an interaction that benefits one element

15. A. collects samples from the sea floor

The final score is a 15/15 (100%)

7 0
3 years ago
Antibiotics can be highly effective in treating bacterial infections, as long as the bacteria have not developed ____ to the ant
frutty [35]

Answer:

Resistance

Explanation:

Once a bacteria gains resistance to an antibiotic, we will have to find another antibiotic to use.

3 0
3 years ago
Read 2 more answers
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