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Maru [420]
1 year ago
6

Which statements describe characteristics of pseudoscience? Check all that apply. Pseudoscience is often based only on opinions.

Pseudoscience is based on objective observations. Pseudoscience requires systematic experiments. Pseudoscience often involves explanations of beliefs. Pseudoscience includes subjective ideas. Pseudoscience is cyclical and changes based on new data. PLEASE ANSWER QUICK IM IN A MIDDLE OF A TEST!!
Biology
2 answers:
Greeley [361]1 year ago
8 0

Answer:

1

4

5

Explanation:

a_sh-v [17]1 year ago
3 0

Answer:

1,4,5.

Explanation:

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Let's consider a scenario in which the resting membrane potential changes from −70 mv to +70 mv, but the concentrations of all i
Nookie1986 [14]
<span>Let's consider a scenario in which the resting membrane potential changes from −70 mV to +70 mV, but the concentrations of all ions in the intracellular and extracellular fluids are unchanged. Predict how this change in membrane potential affects the movement of Na+. The electrical gradient for Na+ would tend to move Na+ Outside the cell (extracellular) while the chemical gradient for Na+ would tend to move Na+ Inside the cell (intracellular).

The electrical gradient is defined as the + goes to the - and the - goes to the +
Na + has a positive charge, but there's more positive charge inside the cell than outside (due to potassium), therefore, Na+ goes extracellular (out)
The concentration gradient considers that the ion will go from the most concentrated to at least concentrated by passive diffusion so no trans-membrane proteins in the game attention.Na + is very concentrated in extracellular and few intracellular, therefore, it tends to go intracellular (in).</span>
5 0
2 years ago
Which curve shows the course of the reaction in the presence of an enzyme--the black curve or the red curve? Which line represen
nikklg [1K]
I found the attached image on the internet and it really helps complete this exercise.

First question:
In the presence of an enzyme, the course of the reaction is shown by the red curve. The necessary energy to make a reaction occur is less when there is an enzyme to help the reaction happen. Enzymes work as catalysts that act over substrates converting them into different molecules in a much accelerated way then it would happen without the enzyme's help, if it would happen at all.

Second question:
The activation energy is represented by line B. The activation energy is the energy needed to be available for a reaction to happen. If we compare it with line A, which represents the activation energy necessary for a reaction without an enzyme, we can see how much less energy is necessary to dispend when an enzyme is part of the reaction. Line C represents the energy resultant from the reaction.

3 0
1 year ago
In fluorescence microscopy, the _____ absorbs light energy from the excitation light and emits colored light.
Alika [10]

Answer:

fluorochrome absorbs light energy

♡ <em>Hope</em><em> </em><em>it</em><em> </em><em>helps</em><em> </em><em>♡</em>

7 0
1 year ago
Meiosis results in a reassortment of maternal chromosomes (inherited from the mother) and paternal chromosomes (inherited from t
iVinArrow [24]

The probability is 1/16 that a gamete will receive only paternal chromosomes. In life cycles that alternate between haploid and diploid stages, fertilization doubles the number of chromosomes per cell, The pairing of chromosomes along their lengths , which is essential for crossing over is referred to as synapsis

4 0
1 year ago
What would happen to life on earth if the rates of photosynthesis and cellular respiration in all phototrophs were equal?
Reptile [31]

Answer:

When the level of release of carbon dioxide during respiration and use of carbon dioxide during photosynthesis this results in a compensation point. At compensation point the net available carbon dioxide to phototrophs becomes  zero. As, carbon dioxide is the chief ingredient for photosynthetic products like glucose and oxygen. These products are used up during the process of respiration. When the rates of two processes photosynthesis and respiration becomes equal. Phototrophic organisms will not be able to compensate for lack of carbon dioxide levels. Phototrophs will not be able to produce their food in the form of glucose and hence will not be able to respire too. This will result in lack of overall available food from phototrophs and lack of available oxygen for respiration. This will result in decline of organisms on earth.

4 0
2 years ago
Read 2 more answers
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