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3 years ago

What are two thirds of an amoeba made out of

Biology

1 answer:

adelina 88 [10]3 years ago

3 0

Cells because they are living things. Hope this helps! ;D

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1. In what form is O2 transported from the lungs to the tissues

Zarrin [17]

Answer:

Oxygen is transported from the lungs to the tissues in the form of reversibly bound to haemoglobin and dissolved in plasma (and intracellular fluid).

7 0

2 years ago

A mutant E. coli strain does not express lacZ, even in the presence of lactose. What is a possible genotype of the cells?

Likurg_2 [28]

Answer:

The answer is " $\bold{lacI^{+} lacP^{+} lacO^{+} lacZ^{-} lacY^{-} lacA^{+}}$ "

Explanation:

In this question, the prescribed mutant E. Coli does not express the lacZ gene, so beta-galactosidase doesn't quite exist. Therefore in a particular strain, there is also the potential of lacZ– and that only the genetic makeup indicates its production of lactose. Therefore the above-mentioned option is correct.

5 0

2 years ago

Second listed cross (Pp x Pp): what are the odds any given offspring will have the recessive phenotype?

Dimas [21]

.5 is your answer. Hope this helped

3 0

2 years ago

Read 2 more answers

The primary motor cortex for control of voluntary muscles is found in the

miss Akunina [59]

Answer: The primary motor cortex for control of voluntary muscles is found in the precentral gyrus of the frontal lobes.

Explanations:

The primary motor cortex is one of the important brain areas involved in motor function. It is found in the precentral gyrus of frontal lobes. It control voluntary muscles and generate impulses needed for movement execution.

Voluntary muscles are muscles that we can control consciously or we can control them at will and we can choose when we want to use them. They are also refers to as skeletal muscles and are attached to bones. The are majorly use for locomotion.

5 0

2 years ago

The brain volumes (cm cubed) of 20 brains have a mean of 1116.2 cm cubed and a standard deviation of 127.7 cm cubed. Use the g

Shkiper50 [21]

Answer:

Yes

Explanation:

Range rule of thumb predicts the Range to be a multiple of 4 of the standard deviation or to be four times the standard deviation. Making the usual values equal to 2 standard deviations distanct of the mean of the data distribution.

In a given distribution with mean and standard deviation that is obtained, the usual values in mean (as seen in the attached image).

2*standard deviation and mean + 2*standard deviation.

If the data point is not up to the mean

- 2* standard deviation is taken to be significantly low.

If the data point is more than the mean

+ 2*standard deviation is taken to be significantly high.

Let's take the xbar to be the mean and s as standard deviaiton

Given,

mean, xbar = 1116.2

standard deviation, s =127.7

The range rule of thumb shows that the usual values are within 2 standard deviations from the mean

Lower boundary

= xbar - 2s

= 1116.2 - 2(127.7)

= 860.8

Upper boundary

= xbar + 2s

= 1116.2 + 2(127.7)

= 1371.6

We should note that 1411.6 is not between 860.8 and 1371.6, which connotes that 1411.6cm^3 is unusually high.

3 0

2 years ago