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harina [27]
4 years ago
5

Please helppppppppppppppppppppppp

Biology
2 answers:
Ilya [14]4 years ago
7 0
Hi, you wanna be my friend?
Luden [163]4 years ago
5 0

Answer:

1) 50% 2) 0% 3) 50%

Explanation:

Hetero-zygous (two different) - E e

Homo-zygous dominant (two same capitals) - E E

Homo-zygous recessive (two same lowercase) - e e

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What are all symptoms of Klinefelter's syndrome
AVprozaik [17]

Answer:

Taller than average stature.

Longer legs, shorter torso and broader hips compared with other boys.

Absent, delayed or incomplete puberty.

After puberty, less muscle and less facial and body hair compared with other teens.

Small, firm testicles.

Small penis.

Enlarged breast tissue (gynecomastia)

Explanation:

3 0
3 years ago
All of the following characteristics of hormones except Select one: a. Hormones alter activity in target cells b. Hormones inter
jeyben [28]

Answer:

The correct answer is - d. Hormones interact with any cells in contact with the bloodstream.

Explanation:

Hormones are nothing but chemical substances that affect the activity of the target site or cells that are specific to the cells. Target sites are present in various parts of the body.

Hormones act as messengers that perform controlling and coordinating activities throughout the body. Hormones interact with their specific receptors present on the surface or in the target site.

7 0
3 years ago
Scientists once believed that modern-day reptiles were the only living descendants of dinosaurs, which were reptiles. Accumulati
Mrrafil [7]

This is the complete question

Scientists once believed that modern-day reptiles were the only living descendants of dinosaurs, which were reptiles. Accumulating fossil evidence has now suggested that the most recent dinosaurs gave rise to birds, making birds one of the closest living relatives of dinosaurs.

What statement provides the strongest evidence to support the claim that birds evolved from dinosaurs?

A. A fossilized rib cage of the semi-aquatic dinosaur Spinosaurus shows that it had lungs.

B. Fossils of the beaked dinosaur Ankylosaurus show that it had modified scales that produced hard, bony plates.

(C. Fossils of the winged dinosaur Archaeopteryx show that it had modified scales that produced feathers.) c is the right answer

D. A fossilized nest of the herbivorous dinosaur Brachiosaurus shows that it laid external eggs.

The correct answer is option C, that is, fossils of the winged dinosaur Archaeopteryx show that it had modified scales that produced feathers.  

<h3>What is Archaeopteryx?</h3>

Archaeopteryx is considered an intermediate fossil between the dinosaurs and modern birds.

With its amalgamation of reptilian and avian characteristics, it was long considered as the earliest known bird. It was found in 1860 in Germany, it is sometimes also called Urvogel, that is, the German term for a first bird or original bird.  

Thus, The correct answer is option C.

To learn more about Archaeopteryx click here:

brainly.com/question/17059171

#SPJ1

5 0
2 years ago
In the stable form of protein, the ________ is generally oriented to the interior of the protein molecule.
dimulka [17.4K]

Answer:

Hydrophobic part

Explanation:

A protein is made up of amino acids. Some amino acids such as serine and threonine are polar and hydrophilic in nature as they have polar side chains. The other amino acids such as alanine and proline are non-polar as they have nonpolar side chains.

The polar amino acids of a polypeptide chain are folded towards the inside of the protein to avoid any interaction with the surrounding watery medium. On the other hand, the polar and charged amino acids are oriented towards the surface of a folded protein. This arrangement makes the proteins stable.

8 0
3 years ago
Describe the structure of the cell membrane. how does the cell membrane affect the contents of the cell?
Brums [2.3K]
The cell membrane is made of a protein layer that is sandwiched between 2 phospolipid layers. It has pores that allow selective passage of substances in and out of the cell.
4 0
3 years ago
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