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Kay [80]
3 years ago
7

Researchers are learning that Schizophrenia is usually the result of

Biology
1 answer:
Travka [436]3 years ago
4 0

Answer: (C) genetic predisposition along with an environmental trigger.

Explanation:

We inherit our genes from both parents. Scientists believe <u>several genes are associated with an increased risk of schizophrenia, but that no gene causes the disease by itself. </u>In fact, recent research has found that people with schizophrenia tend to have higher rates of rare genetic mutations and it probably disrupts brain development.

Scientists think <u>interactions between genes and the environment may be a reasoning for schizophrenia to develop.</u> <u>Many environmental factors may be involved, such as exposure to viruses or malnutrition before birth, problems during birth, and other not yet known factors.</u>

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Answer:

d. They are often keystone species

Explanation:

Top predators in an environment are the largest predators and sits on the top (apex) of the food chain in an ecosystem which do not have any natural predators.

As the top predators relative to its abundance has disproportionately large effect on its natural environment, they are the keystone species most of the time.

Hence option d. They are often keystone species is the right  option.

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3 years ago
Cell growth occurs in interphase or mitosis?
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Cell growth occurs in interphase.

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The first three steps of the cell cycle are called the interphase. This is where the cell grows, the cell matures, and where the cell carries out its life function. The fourth step is mitosis and the fifth step is cytokinesis.

The interphase has three stages. These are Gap 1, synthesis, and Gap 2.

Gap 1 or growth 1 - where the cell grows and functions normally. Cell growth is twice its original size.

Synthesis - where cell duplicates its DNA

Gap 2 or growth 2 - where cell resumes its growth in preparation for division.







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3 years ago
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In young infants, the rooting reflex refers to the behavioral process where an infant will:
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Rooting Reflex is a baby's tendency, when touched on the cheek, to turn toward the touch, open the mouth, and search for the nipple. Other behaviors include; sucking reflex; when an object is placed in the baby's mouth, he will begin to suck on it; grasping reflex; when touched on the palm of the hand, a baby will wrap his fingers tightly around the stimulus; moro reflex; infant startle response; when alarmed the baby will fling his limbs outward, then retract them and hold them close to his body. and also Babinski reflex; when stroked on the bottom of the foot, a baby will spread its toes.
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ANSWER: CANCER DEVELOPMENT

EXPLANATION:

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However, when there is an alteration in the genetic sequence (mutation) of the TSGs, this make the cell not to respond to cues that had been regulating it growth.

Thus, when cell growth is not regulated, it results to runaway or abnormal cell growth (i.e multiple folds cell division and replication), in other word referred to as “cancer”.

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