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IrinaVladis [17]
3 years ago
5

Which scientist worked with decks of cards to develop the arrangement of

Biology
1 answer:
ira [324]3 years ago
4 0

Answer:

Mendeleev

Explanation:

You could have just looked it up.

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Which of the following is a normal process of photosynthesis that could not occur if all reaction centers were inactivated by a
Arturiano [62]

Answer:

A. donation of excited electrons by chlorophyll a to a primary electron acceptor

Explanation:

Photosystems are structures located at the thylakoid membrane that act to harvest energy light in order to convert it into chemical energy. Each photosystem is composed of a light-harvesting complex and a core complex, which in turn is composed of a reaction center. The photosynthetic reaction centers are multi-protein complexes that use light energy to catalyze the electron transfer across the chloroplast thylakoid membrane against a thermodynamic gradient. Moreover, antenna pigments are pigments that capture the energy from photons in order to transfer energy to other pigments in the photosystem (e.g., chlorophyll B and carotenes are antenna pigments, whereas chlorophyll A is the core pigment). Light energy absorbed by antenna pigments in the photosystems is transferred to the reaction center chlorophyll A molecules, thereby exiting electrons in the reaction center. A reaction center consists of two chlorophyll A molecules, which donate electrons to the primary electron acceptor.

4 0
2 years ago
How does sugar leave the phloem?
mars1129 [50]
The high turgor pressure drives movement of phloem sap by “bulk flow” from source to sink, where the sugars are rapidly removed from the phloem at the sink. Removal of the sugar increases the Ψs, which causes water to leave the phloem and return to the xylem, decreasing up
8 0
2 years ago
The coyote (canis latrans) is found across North America which makes it a specialist species.
Nataliya [291]
The coyote (canis latrans) is found across North America which makes it a specialist species. Its false
4 0
2 years ago
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Explain how the binaural localization of high pitched sounds differs from low pitched sounds and why this difference exists
seropon [69]

Generally the low pitched sound vibrates the basilar membrane close to its apex while high pitched sound vibrates the basilar membrane close to its base

Brain receives information at temporal lobe. Thus, high and low pitched sounds are received at the higher and lower part of the temporal lobe.

6 0
3 years ago
The genetic recombination of ________ caused massive, widespread epidemics that affected the global human population several tim
lukranit [14]

The genetic recombination of human influenza A caused massive, widespread epidemics that affected the global human population several times in the twentieth century.

<h3>What is influenza ?</h3>

Influenza is a disease caused by virus which is contagious.It is different from a normal cold as it shows severe symptoms than flu.

Influenza is caused by influenza virus and people get infected when they breathe in tiny airborne droplets from the cough or sneezes of infected person.

Outbreaks of influenza A virus occurred in twentieth century.During 1918 influenza pandemic was the most dangerous pandemic.

Therefore, the genetic recombination of human influenza A caused massive, widespread epidemics that affected the global human population several times in the twentieth century.

Learn more about influenza here:

brainly.com/question/27776447

#SPJ4

7 0
1 year ago
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