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Eduardwww [97]
3 years ago
11

Saclike membranes that contain chlorophyll are known as

Biology
2 answers:
Zarrin [17]3 years ago
4 0

Answer:

thylakoids

Explanation:

saclike photosynthetic membranes that contain chlorophyll and other pigments and are arranged in stacks called grana.

Dvinal [7]3 years ago
3 0

Explanation:

offices s4x5svu0nsisnubsubsindind9s9?z0?pw?om2ibeunsimz

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All known organisms use genetic information to produce protein molecules via the same genetic code. This finding strongly suppor
jeyben [28]

Question:All known organisms use genetic information to produce protein molecules via the same genetic code. This finding strongly supports the hypothesis that __________.

a) the earliest macromolecules probably arose when lightning struck an oxygen-free atmosphere

b) all organisms are descended from one or a few common ancestors

c) the genetic code readily evolves by natural selection

d) there's only one possible way to encode information in a macromolecule

Answer:

b) all organisms are descended from one or a few common ancestors

Explanation:

Protein synthesis occurs when the nucleotide sequence of the mRNA is read in the form of genetic codes. A specific genetic code specifies the same amino acid in all living beings. For example, the code "UUU" codes for phenylalanine in all the living beings irrespective of their species. This suggests that all the life forms have originated from one or few common ancestors and the genetic code has been preserved during the course of evolution of various species.

4 0
2 years ago
Why do organisms have to be “organized” to live?
TEA [102]

Answer:

because they have to be seperated

Explanation:

7 0
3 years ago
Apple maggots are a type of fly native to North America. Prior to the introduction of the apple tree to North America, apple mag
scoundrel [369]

Answer:

B

Explanation:

B is the most likely consequence because of the following facts we are told:

  • After apple trees were introduced, some apple maggots began feeding from and laying their eggs on apple trees
  • Adult apple maggots will only mate on the type of tree on which they were born.

This provides a geographical isolation (because they are feeding and laying eggs on separate trees) and reproductive isolation (because they will only mate on the type of tree on which they are born).

These two factors increase the chances that apple maggots feeding on apple trees will only encounter those who have mated on the same tree, and continue to mate this way. Over time, the populations (i.e. apple tree vs hawthorn tree) will intermix less and less. This will mean the genetic pool will become distinct, and natural selection will be acting differently (different habitats and different genes), encouraging speciation.

7 0
3 years ago
Read 2 more answers
Of the following muscle types, which has the longest muscle cells and has obvious stripes called striations? Of the following mu
kumpel [21]

Answer:

Explanation: skeletal muscle

6 0
2 years ago
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Ground level ozone is a secondary pollutant involved in photochemical smog. Ozone levels are typically highest in the late after
romanna [79]

I think that the answer is A

6 0
3 years ago
Read 2 more answers
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