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777dan777 [17]
2 years ago
12

What does Tay-Sachs disease cause?

Biology
2 answers:
eduard2 years ago
7 0
D.A decreased mental ability and uncontrollable movements
V125BC [204]2 years ago
4 0

Answer:

A.

Explanation:

It's caused by the absence of an enzyme that helps break down fatty substances. These fatty substances, called gangliosides, build up to toxic levels in the brain and spinal cord and affect the function of the nerve cells

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¿Cuáles células humanas presentan cilios o flagelos?
mote1985 [20]

Answer: Un ejemplo de cada uno sería el flagelo presente en un espermatozoide y el cilio en el tejido epitelial de los pulmones que elimina las partículas extrañas. Los cilios móviles y los flagelos poseen la misma estructura de axonemas 9 + 2.

7 0
3 years ago
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A gene that controls betacarotene production has been successfully inserted into a common food crop. Name the technique used to
madam [21]

Answer:

The technique that is used in inserting a gene into a crop is genetic modification.

What is genetic modified crop?

A genetically modified organism (GMO) is a living organism whose DNA has been altered using genetic engineering techniques.

Humans have used breeding methods to modify organisms for thousands of years. Over generations, corn, cattle, and even dogs have been selectively bred to have certain desired traits.

The majority of GMO crops grown today were developed to assist farmers in preventing crop and food loss and controlling weeds.

The following are the most common traits found in GMO crops: Resistance to certain harmful insects, and Tolerance to certain weed-controlling herbicides.

Thus, with the help of genetic modification, a gene that controls beta-carotene production can be successfully inserted into a common food crop.

5 0
1 year ago
A population of deer includes deer with white spots and deer with brown spots. A forest fire kills half the deer with white spot
Kaylis [27]
This should be an example of genetic drift.

The brown spotted deer would spread their genes more than the white spotted ones which would eventually lead to them completely overpowering genetically the white deer in future generations.
7 0
3 years ago
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What are the limiting factors in a habitat
hoa [83]
In the natural world, limiting factors like the availability of food, water, shelter and space can change animal and plant populations. Other limiting factors, like competition for resources, predation and disease can also impact populations.
4 0
3 years ago
Science is a______ process
ra1l [238]
Science is a investigation process
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