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Hatshy [7]
3 years ago
7

Which structures if found in a cell would provide best evidence that the cell is eukaryotic

Biology
1 answer:
Debora [2.8K]3 years ago
8 0

Answer:

if there is a cell membrane then its eukaryotic

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Global bee populations have been declining over the past decade. What impact might this have on the world's human population?
aev [14]

Answer:

Bees play a significant role in the field of agriculture. They can adapt to the process of pollination. Pollination is usually defined as the process of transportation of pollen grains from the male anther of a flower to the female stigma. The bees pollinate the crops and increases their productivity and yield capacity. About 35% of the food that we eat, are dependent on this pollination act that is carried out by the bees, involving either directly or indirectly.

Over the last few decades, the population of the bee has been decreasing, and it is directly affecting the global human population. It is because less amount of food is produced compared to the rate of demand, resulting in a shortage of food items.

7 0
3 years ago
Which oganelles in a cell break down nutrients and release energy?
insens350 [35]
Lysosomes are a type of <span>cell organelle filled with enzymes needed to break down nutrients, bacteria, and old organelles</span>
4 0
2 years ago
Read 2 more answers
Which vessel lies in the interlobar fissure and drains hepatic segments iv, v, and viii before entering the inferior vena cava?
sdas [7]
THE VESSEL IS THE MIDDLE HEPATIC VEIN.
The hepatic veins are the one that carry oxygen depleted blood from the liver into the inferior vena cava. They also transport blood that has been drained from the colon, pancreas, stomach and the small intestines. The hepatic veins are three in number, they are: right hepatic vein, middle hepatic vein and the left hepatic vein.
3 0
3 years ago
HELP ASAP!! DUE NOW!! WILL MARK AS BRAINLIEST!!
Naily [24]
The answer is: <span><span>has antigens A and B on the red blood cells
</span>
Human blood contains either: 
A antigens (A)
B antigens (B)
A and B antigens together (AB)
none of these antigens (O)

corresponding to the A,<span> B</span>,<span> AB</span>, and O blood types, respectively.

Antigens are molecules that can cause an immune response to be mounted against them in the form of antibodies. Antigen is an abbreviation for 'antibody generator'.

In the case of the ABO blood groups, the antigens are sugars on the red blood cells.

Antibodies are complex proteins made by certain immune cells, and these proteins have the ability to bind foreign material or microbes, which can block their harmful action and label them for quicker elimination.

Example:
When a person has a blood type with a particular antigen (e.g. A), he or she won't produce antibodies against that blood type, so they are safe to receive blood from individuals with similar blood types (won't be considered foreign). They can also receive blood from blood type O donors because they don't have any antigens that would cause an immune response. 

But this person with blood type A, has antibodies against blood type B (to defend oneself from foreign material), so if they were transfused type B blood in this case, they would experience a dangerous immune reaction as the antibodies would bind the B antigens of the B blood type red blood cells.
<span>
Blood type O individuals are universal donors = can donate blood to anyone.

Blood type AB individuals are universal receivers = can receive blood from any group.</span></span>
7 0
3 years ago
In kelp forests along the North American coastline, sea stars (pictured above) get their nutrients by feeding on dead or decayin
-Dominant- [34]

Answer: The correct option is A (detritus).

Explanation:

The sea star also called the star fish belongs to the phylum echinodermata. They are slow moving marine animals living on the sea-shores and sea beds. They possess tube feet under their arms which enables them to move to location where they can obtain food.

During feeding, the star fish is capable of pouring digestive enzymes on the soft tissue of its prey. Once liquefied, it absorbs it into its stomach. The following are the different types of food that a star fish can feed on:

--> coral,

--> sponges,

--> clams,

--> oysters,

--> sand dollars, and mussels

They also feed on dead or decaying debris of different plants and animals. These dead or decaying debris are also called DETRITUS. A detritus is made up of leaves and other plant parts, animal remains and waste organic products that fall into water bodies from the kelp forests along the North American coastline.

6 0
3 years ago
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