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2 years ago

How do strides indicate whether the walker is a male or female?

1 answer:

6 0

Females usually have smaller foot prints and they usually step in a pigeon toed manner with a smaller stride. However males, usually walks with a straightforward foot or quite tilted outwards. This is how to differentiate strides of men from women. Stride is defined as to walk long though extending steps. Women also walks gracefully they tend to walk femininely by swinging they hips and walking with short steps. In contrast, men's hip is quite stiffed when walking and takes longer steps when walking.

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What did the structure of DNA’s double helix suggest about DNA’s properties? Select all that apply.

givi [52]

Completed part of the questionErrors in copying can result in changes in the DNA sequence that could be inherited by future generation.

Answer:

DNA stores genetic information in the sequence of its bases

DNA can be replicated by making complementary copies of each strand

Errors in copying can result in changes in the DNA sequence that could be inherited by future generation.

Explanation:

the fact that DNA is located in the Nucleus is not related to double strands.

the DNA csn change is not relevant ,

 therefore the above 3 options are the correct answers.

7 0

2 years ago

Which of the following best describes an aspect of a membrane's molecular structure that causes it to be selectively permeable?

atroni [7]

Answer:

d. Transport proteins within the membrane serve as a tunnel for molecules to enter the cell.

Explanation:

Solutes are typically moved across the cell through either passive or active transport. The cells, surrounded by a bilipid layer or plasma membrane is amphiphlic- its polar, hydrophilic lipid heads face outwards, while their non-polar hydrophobic lipid tails face inwards towards each other.

While lipid-soluble molecules move across the layer easily, it is also difficult for charged and also large molecules to move across its surface, into the cell. Transmembrane channels, embedded within the membrane, help to maintain selective permeability as transport proteins, pores and gated channels. Simple diffusion happens as a method of passive transport in cells through plasma membranes.

The solutes travel through the plasma membrane in the process of diffusion from regions of high concentration to regions of low concentration; this occurs without the use of energy. Molecules moving against their concentration require active transport mechanism to cross the membrane.

3 0

2 years ago

Where’s the largest ecosystem where 2/3 of all species live

solniwko [45]

Answer:

The ocean

hope this helps

have a good day :)

Explanation:

3 0

2 years ago

Read 2 more answers

A red-tailed hawk swoops down and captures a young rabbit feeding on dandelions growing in a park. the relationship between the

Rudiy27

The hawk, a carnivore (animal meat-eater), is predating on the rabbit, an herbivore (plant-eater). So the hawk can be seen as the predator and the rabbit as the prey.
But another type of relationship important in Ecology is consumers. So producers are the plants that feed a food web. That makes the rabbits the primary consumers (herbivores) of these plants. Then the hawks become the secondary consumers (carnivores) of the primary consumers, by eating the herbivores.
Hope that this makes sense!

4 0

2 years ago

Which type of front is represented by this cross section?

Pani-rosa [81]

The type of front that is represented by this cross section is the occluded

<h3>What kind of front is an occluded front?</h3>

A warm air mass pushes on a cooler air mass (the warm front) and then another cold air mass pushes on the warmer air mass (the cold front). As cold fronts move faster, the cold front is likely to overtake the warm front. This is known as an occluded front.

With this information, we can conclude that the type of front that is represented by this cross section is the occluded.

Learn more about occluded front in brainly.com/question/10758912

7 0

2 years ago