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siniylev [52]
3 years ago
6

What is the independent variable in this experiment? *

Biology
1 answer:
Triss [41]3 years ago
3 0

Answer:

IV: mosquitoes

Explanation:

They are testing whether or not the mosquitoes are transferring the bacteria.

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Nuris is writing a paper on the scientist who first named cells after studying cork under a microscope. Who is her paper about?
Setler79 [48]
Robert Hooke was the first scientist to discover cell. This discovery was made possible by the use of microscope which he invented. With this microscope, Robert examined a cork and noticed pores which filled the entire volume of the thin slices of cork; he called the pores cells. This discovery was made in January 1653.
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This is the role of a species in an ecosystem, consisting of such things as what it eats, when it eats, and where it lives.
snow_lady [41]
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Why are the cells produced by meiosis considered gametes?
BigorU [14]
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5 0
4 years ago
What would happen to the concentrations of ATP, NADPH and Sugars if PSII stopped working?
dezoksy [38]

Answer:

<u>1. ATP - decrease </u>

<u>2.NADPH - decrease </u>

<u>3. sugars - decrease </u>

And    <u>True- Both ATP and NADPH are needed to make sugars.</u>

Explanation:

Photosynthesis is a form of biosynthesis that produces glucose from the reactants;  it uses energy from sunlight, along with carbon dioxide and water. It happens in the chloroplast in two phases; the light-dependent and dark reactions. In the light reaction, solar energy stimulates photosystems, formed from pigments like chlorophylls.

Chlorophyll forms photosystems of proteins known as complex proteins (PS I & PSII).  PS II absorbs and moves the reaction center with light energy.  

  • H+, and oxygen,  are formed from a water molecule as it's broken apart.
  • From photosystem II, electrons are transferred to photosystem I.  
  • ATP is synthesized from ADP along with inorganic phosphate.  
  • To form NADPHH, H+ is added to NADP

If PS II no longer works,  there will be less ATP, NADPH, (both used later on) and no sugars produced.

In the dark reaction, products of the light reaction are used to make sugars. Here, in the Calvin cycle, the enzyme, RuBisCO, catalyzes the fixation of <u>CO2 with Ribulose 1,5-bisphosphate </u>(RuBP).

7 0
3 years ago
Which of the statements describes Neanderthals? They were the first bipedal hominins discovered. They are believed to have given
denis23 [38]

They are a species that is closely related to, but distinct from, Homo sapiens.

Hope this Helps

6 0
3 years ago
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