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Andru [333]
3 years ago
7

The wings of butterflies and birds are ----------- structures because, although they are used for the same purpose (flight) they

have very different structural compositions. Bird wings are made of bones and feathers while butterfly wings are made from chitin and are part of the insect’s exoskeleton.
Biology
1 answer:
Alexxandr [17]3 years ago
4 0

Answer:

symetrical

Explanation:

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How does photosynthesis help cellular respiration happen in a plant
slega [8]

Photosynthesis makes the glucose that is used in cellular respiration to make ATP. The glucose is then turned back into carbon dioxide, which is used in photosynthesis. While water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water.

4 0
3 years ago
If you start with one copy of dna and run pcr for 10 cycles, how many copies will you have at the end?.
aleksklad [387]

Answer:

1024

Explanation:

you start off with two because DNA is semi-convervative and produces 2 strands the lagging and the leading.

2

2x2 = 4

4x2 = 8

8x2= 16

16x2 = 32

32x2 = 64

64x2 = 128

128x2 = 256

256x2 = 512

512x2 = 1024

(or just do 2 to the 10th power lol)

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1 year ago
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nordsb [41]
I think is c I'm sorry if it's wrong
8 0
3 years ago
What is the polarity of water molecule
iragen [17]

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3 years ago
A patient comes to the clinic with the complaint, "i think i have an ulcer." what is a characteristic associated with peptic ulc
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