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Nadusha1986 [10]
3 years ago
14

Rachel has a pessimistic attitude. She worries incessantly about things and can never seem to see the positive side of life. Acc

ording to the biological perspective, Rachel's attitude could best be explained by low levels of
a. glutamate.
b. serotonin.
c. dopamine.
d. adrenaline.
Biology
1 answer:
polet [3.4K]3 years ago
7 0

Answer:

Having a pessimistic attitude shows having low levels of SEROTONIN. Being pessimistic shows that a person always thinks of the worst or always thinking negative. Some study states that low levels of serotonin will give a person a tendency to be depressed and to feel down.

Explanation:

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What is the difference between hydrophobic and hydrophilic molecules
Jet001 [13]
The hydrophilic molecules are the polar molecules which establishes the hydrogen bonding with the water molecules. Hence the hydrophilic molecules are water loving molecules. The hydrophobic molecules are unable to establish any hydrogen bonding with the water molecules. Hence the hydrophobic molecules are water repellent molecules.
5 0
3 years ago
Explain how the first three steps of scientific inquiry are related..
Diano4ka-milaya [45]
<span>The first three scientific inquiry is being related because
 they are all equivalent to the facts of finding emission.

They develop a question that must be answered.
1. The first scientific inquiry is to pose a question or else a problem is being investigated.
2. The next step is the observation, and it helps to form a hypothesis which explains the phenomenon or effect of what is observed.

Scientific inquiry is the diverse ways in which scientist study the natural world and then propose the explanations which are based on evidence which is derived from their work. Also, students develop science ideas of knowledge and understanding how scientist they do study the natural world.</span>
4 0
3 years ago
3. Organisms that are NOT autotrophs
Zolol [24]

Answer:

The answer is D.

Explanation:

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3 0
2 years ago
What does the mesoderm turn into?
bazaltina [42]

Answer:

B. Muscle

Explanation:

During embryonic development, three germ layers start to form in order to eventually go through the process of differentiation. These three layers are: the ectoderm - <em>outer layer</em> -, the <u>mesoderm</u> - <em>middle layer</em> -, and the endoderm - <em>inner layer</em> -.

The <u>mesoderm gives rise to the both skeletal and smooth muscles</u>, <u>blood vessels, heart muscle, cartilage and joints, bone, cartilage, joints, connective tissue, blood cells</u>, amongst other tissues.

7 0
3 years ago
A 78 year old grandmother presents for eval of weakness in her face. She has a longstanding history of HTN that has been under f
maw [93]

Answer:

A) Horner's syndrome

Explanation:

Horner's syndrome:

Horner syndrome occurs due to damage of nerve pathway from brain to eye and face.

In this condition particularly damage one side of the face and eye of the patient.

Symptoms:

Its symptoms include:

  • Miosis (pupil will become small)
  • ptosis (upper eyelid will drooping)
  • anisocoria (pupil size will be physically different between two eyes)
  • anhidrosis (there will be no sweating or little in rare cases)

So, The above mentioned condition proves the presence of Horner's syndrome.

7 0
3 years ago
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