A plant leaf shows veins arising from a central thick vein to form a complicated network. Which type of venation does this plant exhibit? A. ParallelB. CrisscrossC. Reticulated

Answers

Answer 1

Answer: The type of venation which does the plant exhibit that the leaf shows veins arising from a central thick vein to form a complicated network is the (C.) Reticulated venation.
In reticulated venation, the veins here are arranged in a net-like pattern and are all interconnected. It is also the most common type of venation.

Answer 2

Answer:

Answer:

C. Reticulated

Explanation:

In reticulated venation there is a central thick vein in the leaf and from there other little veins that form a net flow to the different parts of the leaf, that is called REticulated venation, it often happens that the central vein is located in the middle of the leaf and are easily spotted because that central vein creates a leaf that is two very similar halfs.

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An organ system is a group of organs that
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Which statement best explains what happens during an earthquake? A. A huge ocean wave causes tectonic plates to shift underground. B. A volcanic eruption causes tectonic plates to shift underground C. Energy is stored as tectonic plates shift underground. D. Energy is released as tectonic plates shift underground
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Does a fox belong to the phylum Arthropoda?

Answers

False, they live in the Phylum Chordata

Which cells contain a nucleus and membrane-bound organelles?

Answers

Eukaryotic cells

What Is a Cell with a Nucleus?
When you think of your body, consider the ultimate boss of everything. What organ tells your entire body what to do? The answer is, your brain! Your brain tells your lungs to breathe, your heart to speed up or slow down, and your digestive system to break down food.

All these organs are made of cells. Cells are the basic units of life, and even though they are microscopic they each have a brain of their own. This brain is called the nucleus. The nucleus holds the cell's DNA and controls all cell function. Cells with a nucleus are eukaryotic, and are also known as eukaryotes.

However, not all cells have a nucleus. Some cells have their DNA just floating around the cell. This would be analogous to lower organisms, like worms, that don't have a nice thick skull around their brains. These cells are called prokaryotic. The nuclear envelope in eukaryotes is like our skull, covering the nucleus and keeping the DNA safe.

Structure of a nucleus
nucleus structure
Eukaryotic cells also have tiny parts called membrane bound organelles. Organelles, like the name sounds, are tiny organs of the cell.

Eukaryotic cells compared to prokaryotic cells
eukaryote versus prokaryote
Like our body has a stomach to digest food, cells have an organelle that serves a similar purpose. These organelles are all contained in a membrane, keeping them separate from the rest of the cell so they can be the most efficient. Let's take a look at some of the common membrane bound organelles and their jobs inside the cell.

Examples of Membrane Bound Organelles
We now know that the nucleus is the brain of the cell, holding the DNA. But other organelles inside the nucleus are also important, just like the other organs in our body are.

A city is another analogy that works for the cell. The city is the cell itself and each organelle is like a building, or part of the city. There is the endoplasmic reticulum, which surrounds the nucleus. This organelle is involved in protein and lipid synthesis, and it's kind of like a factory making the basic parts for the cell.

Those parts are shipped to the golgi to be distributed to the rest of the cell. The golgi is like the post office of the cell. From the golgi, proteins are shipped through vesicles like trucks on a highway, going where they need to be. The plasma membrane might be one destination for those proteins, since it is the outer covering of the cell. The plasma membrane is like the walls of a city, only letting certain things in and out.

The power plant of the cell, supplying energy for the entire city, is the mitochondria. And our cities also need to get rid of waste, right? An organelle called the lysosome breaks down unwanted or old materials in the cell, recycling them for later use. Finally, peroxisomes are important organelles that also do reactions using oxygen and protect the cell from free radicals, or dangerously reactive compounds.

Organelles in an animal cell
animal cell
Plant cells are a little bit different and have some additional organelles. In plant cells, there is an organelle called a vacuole, which is like a water storage tower in a city. Some animal cells have small vacuoles, but they are not as prominent as they are in plants. This organelle stores water and helps the plant cell hold its shape. Plant cells also have an even more rigid boundary outside the plasma membrane called the cell wall. This thick structure is like reinforcements on our cell wall. They also have chloroplasts, which are used to turn sunlight and carbon dioxide into food.

Organelles inside a plant cell
plant cell
Other organelles don't have a membrane but are still important. Ribosomes are a type of organelle that makes protein and can work with the endoplasmic reticulum. Both prokaryotes and eukaryotes have this organelle.

Eukaryotic cells are cells that have a nucleus and membrane-bound organelles.

Who owns eukaryotic cells?

The humans.
The animals.
The plants.

Eukaryotic cells have a membrane around the nucleus that separates them from the cytoplasm. Inside the nucleus are the nucleic acids and inside the cytoplasm are all the organelles necessary for the functioning of the cells.

Eukaryotic cells are more complex than prokaryotic cells because of their configuration.

Prokaryotic cells, on the other hand, do not have a nucleus, so the nucleic acids are loose in the cytoplasm and are not separated from the other organelles, which in this type of cell are few and less complex than those of eukaryotic cells.

Learn more about prokaryotic cells:

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Several events happen during sexual reproduction in flowering plants. Put these processes in the correct order, ending with the process seen here.

Answers

Seed-> mitosis-> flower: meiosis -> pollination -> fertilization of the egg cell= embryo -> seed. Repeat.

Answer:

it's B, pollination-fertilization-seed production- germination

Explanation:

A patient comes into the clinic with a resting heart rate of 80 beats per minute (bpm). The patient's cardiac output was found to be 5.6 liters/minute with an ejection fraction (EF) of 70%. What is the patient's end-systolic volume (ESV in ml)?a) 30 ml
b)70 ml
c)80 ml
Under an electron microscope, the different sarcomere bands of striated muscle can be visualized (I-band, A-band, H-band, and Z-disk) in the relaxed state, after passive stretch, and after contraction. Which sequence of manipulations will lead to increasing A-band width?
a) passive stretch, contracted, relaxed
b)passive stretch, relaxed, contracted
c) none of the above

Answers

The correct answer for the question that is being presented above is this one: "b)70 ml." the patient's end-systolic volume (ESV in ml) is b)70 ml.

The correct answer for the question that is being presented above is this one: "a) passive stretch, contracted, relaxed." The sequence of manipulations will lead to increasing A-band width is that passive stretch, contracted, relaxed.

The three domains of life includea. Prokaryota
b. Eukaryota
c. Bacteriota
d. all of the above

Answers

D is the answer to this question

How is a model of an atom different from a real atom? A. A model of an atom is not as big as an actual atom.
B. A model of an atom is the same as a real atom.
C. A model of an atom is more complex
than a real atom.
D. A model of an atom is not as small as an actual atom.

Answers

it would be (D) because you cant see an atom without a microscope and a model is a larger model of the actual thing.

Answer:

Explanation:

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