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earnstyle [38]
3 years ago
11

A group of scientists believes that a pigment found in red vegetables helps cells to live longer. They test their theory by inje

cting this pigment into live cells growing in a test tube. After two days, the scientists count the number of healthy cells in the test tube and compare the results to a tube of cells that did not receive an injection of this pigment. What is the limitation of this experiment?​
Biology
1 answer:
Amanda [17]3 years ago
3 0
The limitation is cels
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What feature would easily distinguish schist and gneiss from quartzite and marble?
Vesna [10]

Foliation is much better developed in most schists and gneiss than in most quartzites and marbles.

The major contrast between schist and gneiss is that schist is made of mudstone or shale, whereas gneiss is made of micas, chlorite, or other platy minerals. While Marble and quartzite the major difference is that marble is composed of calcite whereas quartzite is composed of quartz.

Schist is identified by its flat and large sheet-like grains it also has flat and elongated minerals such as talc or micas. Gneiss is a metamorphic rock formed by changing schist, granite, or volcanic rocks through intense heat and pressure. Gneiss is foliated, which means that it has layers of lighter and darker minerals.

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6 0
2 years ago
Which of the following does not occur during mitosis? A centrometers B chromosomes replicate C spindles form
LenKa [72]

if i am correct i am pretty positive it is B but i wont take my answer anyways

6 0
3 years ago
Which adaptation is used by polar bears to maintain internal homeostasis in cold temperatures?
andrezito [222]

Answer:

The adjustment utilized by polar bears to keep up inward homeostasis in cool temperatures is the fat. This is a thick layer of fat under the skin of creatures.  

Explanation:

The meaning of homeostasis is the capacity or propensity to keep up inner steadiness in a life form to adjust for natural changes. A case of homeostasis is the human body keeping a normal temperature of 98.6 degrees.Homeostasis is the condition of unfaltering inner conditions kept up by living things. This dynamic condition of harmony is the state of ideal working for the living being and incorporates numerous factors, for example, body temperature and liquid parity, being kept inside certain pre-set cutoff points

4 0
3 years ago
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What are 3 fundamental axes of rotation​
Ber [7]

Answer:

Explanation:

Just as there are three planes of motion, there are three axes of rotation: the anterior-posterior axis, the mediolateral axis, and the longitudinal axis

3 0
4 years ago
Genetic information is transmitted from DNA to
Alexus [3.1K]


The best answer is D.

Genetic information for synthesis of a protein is transmitted from DNA to the ribosomes, which are the site for protein synthesis. This is facilitated by messenger RNA or mRNA in short.

In the nucleus of the cell, information from DNA is copied (transcribed) onto mRNA which leaves the nucleus and enters the cytoplasm where it attaches to the ribosome. The information on the attached  mRNA is  decoded and read ( translated) by transfer RNA (tRNA) which then brings corresponding amino acids to the ribosome to be linked together to form the protein. 


7 0
3 years ago
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