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Arturiano [62]
4 years ago
8

Which of the following mutations could lead to constitutive expression of the genes of the lac operon?

Biology
1 answer:
alina1380 [7]4 years ago
8 0

the answer is A.

~hope this helped

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8. The diagram below shows the shift in the spectrum for hydrogen light from several different sources in the universe.
igor_vitrenko [27]

Answer:

more distant galaxies are moving away faster.

the shift towards red (Doppler effect like with sound on Earth) is the indication.

Explanation:

what did this have to do with biology ?

and by the way, this is also something I debate severely in scientific communities, because yes, the red shift is there. but "more distant" also means "more in the past", so that the data shows us actually that things in the past moved faster away. not necessarily today ...

5 0
3 years ago
How is the DNA of prokaryotic cells different than eukaryotic cells?
xz_007 [3.2K]
Prokaryotes are organisms that hav only one cell and one nucleus while while Eukaryotes are organisms that hav many cells and many nuclei.

Hope I helped plz make brainlyest bro I need it
3 0
3 years ago
Water molds are fungus-like and heterotrophic. Why are they classified as chromists rather than protozoans or fungi
Colt1911 [192]

Answer:

The cell wall of oomycetes, however, is not composed of chitin, as in the fungi, but is made up of a mix of cellulosic compounds and glycan. The nuclei within the filaments are diploid, with two sets of genetic information, not haploid as in the fungi.

4 0
3 years ago
An ethical scientist exhibits which of the following characteristics? Bias Logic Honesty
pashok25 [27]
Bias is when a scientist is inclined to put their own thoughts before their actual results. Therefore, an ethical scientist would not exhibit this trait.

Logic is when a scientist puts critical thinking and the scientific process first. An ethical scientist WOULD exhibit this trait.

Honesty is when a scientist tells the truth, wether or not their results align with their own thoughts/opinions. An ethical scientist WOULD exhibit this trait.

The answer to your question would be "An ethical scientist exhibits Logic and Honesty"
4 0
3 years ago
If a plant with red (dominant) flowers and a plant with white (recessive) flowers are cross-fertilized, the resulting phenotypes
iragen [17]

Answer:

incomplete dominance

Explanation:

incomplete dominance is when two different colored traits mix to create a color that is a mix

5 0
3 years ago
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