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sertanlavr [38]
3 years ago
14

Which is the most accurate statement about ferns?

Biology
1 answer:
r-ruslan [8.4K]3 years ago
4 0

Ferns remain in identical phylum seeing that moss. Researchers get several hundred species of ferns. Ferns highly-developed subsequently mosses made an appearance. Ferns tend to be nonvascular crops.

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Which of these is a natural resource?
Amiraneli [1.4K]

Answer:

B

Explanation:

4 0
2 years ago
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How does the structure of a brain cell related to its function?
lesya [120]

Solution:

Structure dictates function. Ribosomes provide another good example of structure determining function. These small cellular components are made of protein and ribosomal RNA (RNA).Their main function is to translate messenger RNA, or mRNA, into strings of amino acids called proteins.

The structure and shape of each type of human cell depends on what function it will perform in the body. For example, red blood cells (RBCs) are very small, flat discs, which allows them to easily fit through narrow capillaries and around sharp corners in the circulatory system to deliver oxygen throughout the body.

Neurons carry messages from the brain and spinal cord to the rest of the body, using electrical signals down their lengths and chemical signals between neurons. Since electrical signals travel much faster than chemical signals, neurons are long and thin to minimize the number of slower chemical signals that would be required between links in a chain of many shorter neurons.

The elongated shape of muscle cells allows the contraction proteins to line up in an overlapping pattern that makes muscle flexing possible.

And human sperm cells’ structures allow them to “swim” long distances to reach an egg for fertilization. They do this by using flagella, their long whip-like tails, and also by being very small, carrying little more than the DNA for a potential zygote.

This is the required answer.

7 0
3 years ago
What are the skeletal difference between a biped and a quadruped?
Allushta [10]
To see the difference between <span>biped and a quadruped,</span> let's compare the skeletons of the man (biped) and the horse (quadruped):

*The man has the bigger pelvis: he has to bear the weight of the body.*The scapula is smaller.*The bones of the hind leg bigger.*The forearms more mobile.*The man has the spine that attaches under the skull.*And the tail that has completely regressed.
the man has adapted to standing and biped (he walks on 2 feet): his hind legs are reinforced.
8 0
3 years ago
If a parent cell has 46 chromosomes, how many chromosomes will be present in each daughter cell after mitosis? (Multiple choice)
Aleksandr [31]

Answer:

23

Explanation:

46 unreplicated chromosomes- called daughter chromosomes - each one is essentially a chromatid. The parent cell had 46 double chromosomes (2 chromatids each)  -  which split into two in mitosis. This means that we need to divide 46 by 2 and we get 23.

Hope this helped!

Have a supercalifragilisticexpialidocious day!

7 0
2 years ago
Read 2 more answers
Which molecules may diffuse across a cell membrane without the expenditure of energy or the use of membrane proteins?
wel

Explanation:

In simple diffusion, small molecules without charges such as oxygen and carbon dioxide flow through a plasma membrane without assistance and without expending energy. Other substances such as proteins, glucose and charged particles called ions cannot pass through the selectively permeable membrane

6 0
3 years ago
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