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maks197457 [2]
2 years ago
5

Membranous sacs containing substances that were produced in the cell, such as neurotransmitters or hormones, are called:

Biology
1 answer:
aleksklad [387]2 years ago
8 0
Badussy balls

among us
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Briefly describe how the experiments of Avery, McCarthy, and MacLeod, building on the work of Griffith?
satela [25.4K]
The Avery–MacLeod–McCarty experiment<span> was an experimental demonstration, reported in 1944 by </span>Oswald Avery<span>, </span>Colin MacLeod<span>, and </span>Maclyn McCarty<span>, that </span>DNA<span> is the substance that causes </span>bacterial transformation<span>, in an era when it had been widely believed that it was </span>proteins<span> that served the function of carrying genetic information (with the very word </span>protein<span> itself coined to indicate a belief that its function was </span>primary<span>).

It was the culmination of research in the 1930s and early 20th Century at the </span>Rockefeller Institute for Medical Research<span> to purify and characterize the "transforming principle" responsible for the transformation phenomenon first described in </span>Griffith's experiment<span> of 1928: killed </span>Streptococcus pneumoniae<span> of the </span>virulent<span> strain type III-S, when injected along with living but non-virulent type II-R pneumococci, resulted in a deadly infection of type III-S pneumococci.

In their paper "</span>Studies on the Chemical Nature of the Substance Inducing Transformation of Pneumococcal Types: Induction of Transformation by a Desoxyribonucleic Acid Fraction Isolated from Pneumococcus Type III<span>", published in the February 1944 issue of the </span>Journal of Experimental Medicine<span>, Avery and his colleagues suggest that DNA, rather than protein as widely believed at the time, may be the hereditary material of bacteria, and could be analogous to </span>genes<span> and/or </span>viruses<span> in higher organisms.</span>
5 0
2 years ago
1. Why are these moths called "peppered moths?"
riadik2000 [5.3K]

Answer:

they got black dot on their white wings.

Explanation:

And black pepper moths dont but they are natural selected from the white pepper moths.

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3 years ago
If Darwin knew of Mendel’s work, how might it have influenced his theory of evolution? Do you think this would have affected how
Viktor [21]

Answer:

See explanation

Explanation:

Darwin proposed his theory of evolution on the premise of natural selection. According to him, organisms which possess favourable characteristics which enable them to survive in their environment are more likely to survive and reproduce, passing on these favourable characteristics to their offsprings.

According to Mendel, the unit of inheritance passed on from parents to offspring are genes. Hence Darwin's factors are Mendel's genes.

If Darwin knew of Mendel's work. It might have influenced his presentation of the idea of passing on favourable characteristics from parents to offspring in the light of genetics.

This would have made Darwin's work to have more empirical backing hence making it more widely accepted.

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__________ are waxy substances that circulate in the blood.
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Cholesterol is a waxy substance found in blood.
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What are the light and dark bands in muscles?
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