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Assoli18 [71]
3 years ago
13

Which cells function to contract?

Biology
1 answer:
Yanka [14]3 years ago
7 0

D. skeletal muscle and cardiac muscle

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What type of plant adaptation is a thick, woody stem? O Life cycle difference O Inherited behavior O Physical characteristic Sta
UNO [17]
i think it’s a but i could be wrong
5 0
3 years ago
In a famous experiment, Matthew Meselson and Franklin Stahl grew E. coli cells in a medium containing only the "heavy" isotope o
Alex777 [14]

Answer:

3rd generation = 2 Hybrid DNA molecules + 6 Light DNA

In Percentage 2÷8 × 100 = 25%

25% of the DNA are hybrid

Explanation:

Semi conservative model proposed by Watson and Crick states that one strand of the DNA comes from parent DNA which act as a template for the other newly formed strand.

First generation:

If cells containing 15 N DNA are transferred to a medium with only 14 N then in initial first generation two parent strands becomes separated and act as template for newly synthesized strands. this means that in first generation both DNA molecules are hybrid, one strand of 15 N DNA and other strand of 14 N DNA

Ist generation = 2 Hybrid DNA molecules

Second generation:

In Second generation these two hybrid molecules become unzip. Two strands are 15N and two strands are 14N. All these 4 strands act as template and 4 new strands are synthesized. The molecules of Hybrid DNA is still 2 with 2 molecules of Light DNA.

2nd generation = 2 Hybrid DNA molecules + 2 Light DNA

Third generation:

In Third generation these two hybrid molecules and two light DNA molecules become unzip. Two strands are of 15N and six strands are of 14N. All these 8 strands act as template and 8 new strands are synthesized. The molecules of Hybrid DNA is still 2 with 6 molecules of Light DNA.

3rd generation = 2 Hybrid DNA molecules + 6 Light DNA

In Percentage 2÷8 × 100 = 25%

25% of the DNA are hybrid

4 0
3 years ago
Which statement best compares the moon and Earth? Group of answer choices
Anna007 [38]

Answer:

To be honest, it's optional so hope these answers will work for ya!

Explanation:

*Earth has atmosphere and life while the moon doesn't

*Earth has weather and seasonal changes

*Moon has satellite's that we set up and use

*Types of erosion:

Earth: wind, water, ice, and heat

Moon: impact

*Landscape:

Earth: of course we all know... -._-.

Moon: craters, dust, and rocks

<em>HOPE THIS STILL WORKS! ˋ( ° ▽、° ) </em>

8 0
3 years ago
Gametogenesis is that mitosis or meiosis
schepotkina [342]
Meiosis because it is the process of gamete formation, which is gametogenesis
8 0
3 years ago
Read 2 more answers
Look at the position of Location 1, Location 2, and Location 3 on a mountain.
lubasha [3.4K]

Location 2 is cooler than Location 3 and Location 1 because it's at a higher altitude

4 0
3 years ago
Read 2 more answers
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