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maks197457 [2]
3 years ago
7

Earth's location in space can be described as being:

Biology
1 answer:
Jet001 [13]3 years ago
3 0
The answer to this is a
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The illustration shows biotic and abiotic factors in a pond ecosystem. Which are biotic factors of the pond ecosystem?
Hatshy [7]

Answer:

All organisms that have life, both plants and animals.

Explanation:

You didn't provide an illustration, but I guess I can still help. Biotic factor means that it has life, abiotic means it's not alive (hence the a- at the beginning.) Some biotic factors of a pond ecosystem include: earthworms, fishes, frogs, plants and insects.

5 0
3 years ago
The appearance of a straight and rigid "pipestem colon" is characteristic of _____.
Yuri [45]

The appearance of a straight and rigid "pipestem colon" is characteristic of chronic ulcerative colitis. Ulcerative colitis is an inflammatory bowel disease that causes the inflammation and ulcers in the colon. The chronic ulcerative colitis is the rare form of colitis that affects the entire colon and causes severe pain, profuse diarrhea, bleeding, fever and inability to eat.







7 0
3 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
What is unusual about the amino acid composition of histones? How is the function of histones related to the amino acid composit
Simora [160]

Answer:

Histones contain large amounts of postively charged amino acids such as lysine and arginine. Thus, they can bind electrostatically to the negatively charged phosphate groups of nucleotides

Answer provided by Quizlet Molecular Genetics Chapter 11

7 0
4 years ago
Which structures are contralateral? left leg, right leg right leg, right arm liver, heart superior vena cava, inferior vena cava
Tasya [4]
Relating to opposite side right leg
3 0
3 years ago
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