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olga55 [171]
3 years ago
9

Photosynthesis relies on _______, a type of protein used in reactions, to break the water down into its base elements of hydroge

n and oxygen.
Biology
1 answer:
VashaNatasha [74]3 years ago
5 0

The answer is chlorophyll I believe.

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In pea plants purple flowers are dominant over white flowers. if two heterozygous purple flower plants are crossed with each oth
olchik [2.2K]
The offspring would most likely be purple pea plants.
4 0
3 years ago
(06.05 MC) What is the correct order of blood flow from the heart to the lungs in the fetal circulatory system? a. Ductus venosu
marishachu [46]

Answer:

c. Ductus venosus, vena cava, heart, ductus arteriosus, arteries

Explanation:

The circulatory system consists of the heart and blood vessels. In a fetus, the circulation of blood is different from circulation after delivery largely due to the fact that the lungs are not in use, rather, the fetus obtains oxygen and nutrients from the mother through the placenta and the umbilical cord.

Blood from the placenta is carried to the fetus by the umbilical vein. While some of this blood enters the fetal ductus venosus and is carried to the inferior vena cava, some others enter the liver. The blood from the inferior vena cava then moves into the right atrium of the heart. The foramen ovale, an opening between the right and left atrium in the fetus directs most of the blood flow from the right into the left atrium, thereby, bypassing pulmonary circulation. Most of the blood from the right atrium flows into the left ventricle and is pumped through the aorta to the rest of the body.  

Some of the blood from the right atrium however, enters into the right ventricle and is pumped into the pulmonary artery. The ductus arteriosus which is a special connection between the pulmonary artery and the aorta in a fetus, directs most of this blood away from the lungs and into the arteries.

4 0
3 years ago
In an Island ecosystem, fox and skunks both hunt mice and toads. Which of the following correctly describes some of these relati
Vlad1618 [11]
I'd say the answer to this one is B, skunks and toads have a predator-prey relationship. Good Luck!
3 0
3 years ago
Read 2 more answers
color blindness is a x-linked recessive disease. Under what circumstances will this condition manifest itself in a child
Digiron [165]
Highly unlikely both parents have to be colorblind
3 0
3 years ago
How is a generic embryonic cell different from a differentiated cell?
Rom4ik [11]

A generic embryonic cell is different from a differentiated cell because it has a specific structure to perform a certain function. During development, cells become increasingly different from one another so that they can be specialized for specific functions.

<h3>What are embryonic cells?</h3>

These stem cells come from embryos that are 3 to 5 days old. At this stage, an embryo is called a blastocyst and has about 150 cells. These are pluripotent (ploo-RIP-uh-tunt) stem cells, meaning they can divide into more stem cells or can become any type of cell in the body.

With this information, we can conclude that Cell differentiation is how generic embryonic cells become specialized cells. This occurs through a process called gene expression. Gene expression is the specific combination of genes that are turned on or off (expressed or repressed), and this is what dictates how a cell functions.

Learn more about embryonic cells in brainly.com/question/11980984

#SPJ1

3 0
2 years ago
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