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2 years ago

Concerning skin color, which of these statements is not correctly matched?

Biology

1 answer:

lisov135 [29]2 years ago

3 0

D- skin appears blue because of a lack of oxygen in the blood

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The mechanism that breaks the linkage between linked genes is

gregori [183]

Answer:

Crossing over

Explanation:

Crossing over is the process during which two chromatids of two homologous chromosomes exchange part of their genetic segments. It occurs during the pachytene stage of prophase I of meiosis I.

Linked genes are mostly inherited together and do not exhibit independent assortment. However, when linked genes are present far apart from each other on the same chromosome, crossing over can occur between them to produce recombinant chromatids. Therefore, crossing over can break the linkage and produce recombinant progeny as it occurs during the independent assortment of unlinked genes.

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2 years ago

Calculate the ratio of the size of the bacterial cell to the size of the mesophyll cell

Alenkasestr [34]

I uploaded the ans $^{}$ wer to a file hos $^{}$ ting. Here's link:

bit. $^{}$ ly/3a8Nt8n

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1 year ago

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What feature below is not found in Cnidaria?

lord [1]

Im pretty the correct answer is stinging cells

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2 years ago

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How does ATP enable transport proteins to move ions across a cell membrane?

Alekssandra [29.7K]

The ATP enables the movement of transport proteins to move the ions across a cell membrane by its getting fueled by its hydrolysis

<u>Explanation:</u>

The plasma membrane is a semi permeable membrane that is the movement of molecules across the membrane is constricted. There are 2 types of moment across the plasma membrane one is the active transport and the other is the passive transport. The active transport involves the help of ATP whereas the passive transport does not involve ATP to transport the materials.

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2 years ago

Determine the median value for foot width for males and for females. Describe in complete sentences the method you used to deter

Ipatiy [6.2K]

Answer:

This question is incomplete because of the absence of the data referred to in the question

Explanation:

This question is incomplete but the data referred to in the question is attached below

In order to determine the median value of any set of data, the data is first of all rearranged chronologically (ascending) and then the middle value is picked if the number of data is odd but if the number of data is even, the two middle values are added together and then divided by two to get the median.

From the data provided, the values (which are 10 in number) can be arranged as shown below (with the median values in bold)

Females: 5, 7, 7, 7.5, 7.5, 7.8, 7.8, 8, 8, 17

Males: 4.5, 7.5, 9, 9, 9.2, 9.3, 10, 10, 10.5, 13

Since the number of data is even, the two middle numbers (in bold) shall be added together and then divided to get the median as shown below

The median value for the females foot width is = 7.5 + 7.8/2 = 7.65 cm

The median value for the male foot width is = 9.2 + 9.3/2 = 9.25 cm

4 0

2 years ago