Excessive loss of bone volume and mineral content associated with aging is

1 answer:

3 0

The answer to this question would be osteoporosis.

The excessive loss of bone volume will result in multiple small holes formed in the bone. This condition called osteoporosis because the bone/osteo have small hole (porous). This will make the bone weaken and at risk of developing a fracture.
Osteoporosis is commonly found in elder patient, especially in the postmenopausal woman.

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Scientists build models based on what they know from previous research to derive testable hypotheses. Independently, both Watson

Trava [24]

Answer:

Nitrogenous bases contain the genetic information, their amount is variable among different species, and the arrangement of these bases is also variable among different species

Explanation:

Both Watson-Crick and Pauling's DNA models considered that DNA nitrogenous bases (i.e., Adenine, Cytosine, Thymine and Guanine) contain the genetic information that determines the characteristics of living organisms. Moreover, both DNA models also considered that nitrogenous base composition varies between species, as well as the arrangement of these bases in the DNA chain also varies between species. Based on these features, Linus Pauling considered that a model where nitrogenous bases would be arranged on the outside of the DNA molecule would be easier for the DNA molecule to be replicated, transcribed, or repaired. Although incorrect, Pauling's DNA triple helix model was fundamental to develop the helical (double-stranded) structure of DNA, which was finally discovered by Watson and Crick in 1953.

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3 years ago

Looking through a light microscope at a dividing cell, you see two separate groups of chromosomes on opposite ends of the cell.

vladimir2022 [97]

Answer:

Option D, telophase

Explanation:

Telophase is the last stage of mitosis cell division in which the duplicated genetic material gets arranged into two identical daughter cells. In generals, this phase begins once the replicated, paired chromosomes have separated and arranged themselves on two opposite sides, or poles of the cells. After this, nuclear envelope begins to form around the chromosomes. After telophase, the cell undergoes cytokinesis to divide the cytoplasm of the parental cell into two daughter cells.

Hence, option D is correct

3 0

3 years ago

What could happen to the environment if there were no environmental scientists to monitor it?

Blizzard [7]

Hello there,

Your correct answer would be: "great increase in air, land and water pollution; no one to ensure proper disposal of toxic wastes; increased destruction of habitats; increase in species extinction"

Hope this helps!

~HotTwizzlers

8 0

3 years ago

Read 2 more answers

Deoxyribose Glucose Guanine Phosphate Ribose

Sergeu [11.5K]

There is no attached table, so it could not be told precisely which of the four molecules is the DNA. But, it is known that DNA consists of deoxyribose, guanine, and phosphate.
The base unit of DNA is called a nucleotide. The nucleotide consists of a nucleobase (adenine - A, thymine - T, cytosine - C, and guanine -G), a monosaccharide deoxyribose, and a phosphate group. By knowing this, it is easy to choose which molecule of those is the DNA.

3 0

3 years ago

Which statement best describes a cause and its effect during the process or muscle contraction?

Alisiya [41]

Answer. The most appropriate statement that is explaining the effect and cause during muscle contraction is. “The release of calcium ions causes myosin and actin to attach to each other.” The activation of muscles helps in the generation of muscles that send out the signals to the neurons.

hope this helps

7 0

2 years ago