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prisoha [69]
3 years ago
6

What would have happen to an animal if all of its mitochondria disappeared?

Biology
1 answer:
Mademuasel [1]3 years ago
7 0

Answer: Without mitochondria animals <u>cannot preform cellular resperation</u> to get energy from their food so <u>they die</u>.

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Suppose a drug is developed that blocks K+ leakage channels. The drug prevents ions from passing through those channels. If this
Sav [38]

Answer: 1. The resting membrane potential would become less negative (more positive).

Explanation:

Resting membrane potential is a voltage carried by a resting (non-signaling) neuron, or called as resting potential, across its membrane.  The resting potential is determined by ion concentration gradients across the membrane, and the permeability of the membrane to each ion form.  

In a resting brain, there are gradients of concentration across the Na+ and K+ membranes. Forces shift their gradients down through channels, resulting in a separation of charges that provides the potential for rest. The membrane is much more permeable to K+ than to Na+, so the resting potential is similar to K+'s potential for equilibrium.

Hence, the correct option is 1. The resting membrane potential would become less negative (more positive).

7 0
3 years ago
Which of the following best describes the relationship between the sun and Jupiter?
Softa [21]

Answer: B) Jupiter and the sun have a similar composition.

Explanation:The only significant difference between the sun and Jupiter is in the sizes i.e jupiter is smaller compared to the size of the sun.

However their similarities is in their composition i.e what they are made up (helium and hydrogen).

The core of Jupiter is made up of liquid metallic hydrogen and the sun's core or center is also made up 34% mass plasma of hydrogen.

So option B (Jupiter and the sun have a similar composition) best describes the relationship between Jupiter and the sun.

3 0
3 years ago
Slate is a fairly common rock that can be used for roofing shingles. what property makes it most suitable for this use?
Lemur [1.5K]
The property that makes slate most suitable for roofing shingles is that it can be split into thin, flat layers.
This means that the roofs of houses and other buildings can be created from slate in order to cover the tops in the best way possible. Other materials are also often used for this purpose, but slate is one of the most popular ones nowadays because of that property it has.
6 0
3 years ago
If a population of four o’clock flowers consists of five RR plants (red flowers), two Rr plants (pink flowers), and one rr plant
vladimir1956 [14]

Answer: option B) 0.25

Explanation:

Total population of four o’clock flowers = 8

Number of red flowers with RR phenotype = 5

Number of pink flowers with Rr phenotype = 2

Number of white flower with rr phenotype = 1

To obtain the phenotype frequency of plants with pink flowers:

put the number or Rr phenotype OVER the total population of four o'clock plants

i.e 2/8

= 0.25

Therefore, 0.25 is the answer

3 0
3 years ago
More men die in middle age from ______ than from any other cause.
Fed [463]

Answer:

Heart disease

Explanation:

According to 2016 World Health Organization statistics, the leading cause of death in middle age men is heart disease.

There were 56.9 million deaths worldwide in 2016. Ischaemic heart disease and stroke are the world’s biggest killers, accounting for a combined 15.2 million deaths in 2016.

5 0
3 years ago
Read 2 more answers
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