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d1i1m1o1n [39]
3 years ago
6

__________ is the leading cause of preventable blindness in children.

Biology
1 answer:
adell [148]3 years ago
4 0
Vitamin A deficiency is the leading cause of preventable blindness in children.
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The predatory bacterium Bdellovibrio bacteriophorus drills into a prey bacterium and, once inside, digests it. In an attack upon
vagabundo [1.1K]

The correct sequence of structures penetrated by B. bacteriophorus on its way to the prey's cytoplasm is capsule, lipopolysaccharide membrane, peptidoglycan, phospholipid membrane.

What is  cytoplasm?

The gelatinous liquid that makes up a cell's interior is called cytoplasm. It is made up of different organic compounds, salts, and water. The cytoplasm is kept apart from some internal organelles, like the nucleus and mitochondria, by membranes.

Therefore,

The correct sequence of structures penetrated by B. bacteriophorus on its way to the prey's cytoplasm is capsule, lipopolysaccharide membrane, peptidoglycan, phospholipid membrane.

To learn more about peptidoglycan from given link:

brainly.com/question/174023

#SPJ4

3 0
2 years ago
Please explain in detail! thanks!!
quester [9]

Answer:

it acts as the site that RNA polymerase will bind, after which transcription proceeds

Explanation:

promoter assist in making mRNA, mRNA is a template which allows complimentary base paring to occur to form protein

6 0
3 years ago
Which statement regarding genes and evolution is true?
mafiozo [28]

Answer:

the answer is D! :)

Explanation:

6 0
3 years ago
What is unusual about the genetically-inherited mitochondrial disease LHON as compared to the genetically-inherited disease sick
Schach [20]

Answer:

Explanation:

LHON (Leber Hereditary Optic Neuropathy): Is a disease that is characterized by loss of vision in young adults.

Sickle cell anemia: Is a disease characterized by production of abnormally shaped red blood cells, that is, not round in shape as normal but are 'sickle' shaped or elongated/crescent shaped.  

Both diseases are heritable But LHON is caused by mutations existing in the mitochondrion thus only inherited maternally.

Sickle cell anemia is caused by mutations in the HBB gene which produces the beta subunit of hemoglobin. It is inherited from recessive genes of both parents.

5 0
3 years ago
Both algae and the fungus are benefited from their relationship in a lichen. This relationship is one of Commensalism Parasitism
Lesechka [4]
The correct answer is Mutualism. Mutualism is when each organism benefits from their relationship. 
4 0
3 years ago
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