PLEASE HELP ME IM TIMED!

Answers

Answer 1

Answer:

All living things are composed of single cells or multiple cells

Explanation:

The cell theory states that all biological organisms are composed of cells; cells are the unit of life and all life come from preexisting life. The cell theory is so established today that it forms one of the unifying principles of biology.

Related Questions

what would be a likely result of expressing telomerase in somatic cells?

Answers

Answer:

cancer

Explanation:

While eating dinner, Isabelle starts choking on a grape. She can't cough, talk, or breathe. What should her mother do to help her?

*Heimlich maneuver
(or buy a LifeVac device to keep in your car for emergencies)

Answers

Answer:

c. Do the Heimlich maneuver.

Explanation: is correct. post protected

Which of the following statements defines ovulation?

Ovulation is when an immature ovum develops into a mature ovum.
*Ovulation is the release of a mature ovum, which occurs once each month.
Ovulation is the production of an ovum that occurs each month.
Ovulation is the monthly discharge of the uterine lining.

Answers

Answer:

b. Ovulation is the release of a mature ovum, which occurs once each month.

Explanation:is correct. post protected

Ovulation is the release of a mature ovum, which occurs once each month. The correct option is B.

What is ovulation?

The process of an egg being released from the ovary is called ovulation. The egg is released and travels down the fallopian tube, where it remains for 12 to 24 hours before being fertilised.

Although ovulation is necessary for conception, more than simply an egg is required. For instance, there needs to be a clear path to the egg. A blocked fallopian tube prevents pregnancy from happening.

Around the time of ovulation, you could notice that your cervical mucus is wetter, clearer, and more slippery. After ovulation, there is a slight increase in body temperature that you might be able to measure with a thermometer.

Thus, the correct option is B.

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After you finish a big meal, the level of glucose in your bloodstream increases. What happens next in order for your body to process the glucose

Answers

Answer:

Digestion

Explanation:

The body digest the food down through the mouth to the anus

some enzymes also act on the food for easy digestion

neuroglial cells that produce cerebrospinal fluid are called

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Answer:

Ependymal cells

Explanation:

Ependymal cells line the spinal cord and ventricles of the brain. They are involved in creating cerebrospinal fluid

what is the difference between biology and technology

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Answer:

Biology as a subject studies living beings whereas biotechnology is a related branch of biology which deals with the living organisms to develop various products for human beings. To put it in simpler words, biology focuses on the life forms and life processes within the living organisms.

How do I get rid of my Self harm scars??

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Boii do i sure wish i knew T^T

The tilt or obliquity of the Earth causes ______
O seasons
O eccentricity
O global warming
O night and day

Answers

Answer:

seasons

Explanation:

some parts of the earth are closer to the sun tan other parts leading to different seasons

Think about how you obtain the energy you need to do everyday activities like doing chores, going to school, or playing sports. Write about it in the box below.

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Answer:

I get energy by sleeping at night and eating at least 3 meals a day everyday.

Explanation:

dna is synthesized through a process known as _____.

Answers

Dna is synthesized through a process known as DNA Replication.

DNA is synthesized through a process known as - DNA replication or semiconservative replication.

DNA replicationsynthesis of new DNA. a double-stranded DNA molecule is copied to produce two identical DNA molecules.is an essential process because, whenever a cell divides, the two new daughter cells must contain the same genetic information or DNA.the replication takes place in the following steps:step 1

in the nucleus of the cell the DNA double helix separates after that an enzyme named DNA helicase attaches to the DNA molecule and moves along the molecule and 'unzips' the two strands of DNA

Step 2

since nucleotides are floating in the nucleus that means there are A, G, T and C's floating around also. these are bases that form hydrogen bonds with the bases of DNA strands.

Step 3

the enzyme they call DNA polymerase catalyzes the formation of the sugar-phosphate units at the sides of the helix and connects one base pair to the next one

Thus, DNA is synthesized through a process known as - DNA replication or semiconservative replication.

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Plants do not eat, how do they carry out the process of nutrition?

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Plants absorb nutrients and water through their roots, but photosynthesis — the process by which plants create their fuel — occurs in the leaves. The leaves of plants also contain veins, through which nutrients and hormones travel to reach the cells throughout the leaf.

modern horses are larger than ancestral horses. this is an example of

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Answer:

stabilizing selection

Explanation:

)
Check out the areas of low pressure on the weather map. Which of these is NOT characteristic of low pressure areas?
A) Storms are likely
B) Weather is cooler and drier.
Weather is wetter and warmer.
D) Air is less dense and the formation of clouds more likely.

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Answer: B

Low pressure tends to bring storms with it, form clouds and allow for the weather to be wetter and warmer. High pressure bring cooler and drier weather.

which of the following organisms obtain their energy from producers only

Answers

heterotrophs.

Explanation:

Organisms that obtain their energy from producers or other consumers are heterotrophs.

Currents at the surface of the ocean, like those in El Niño are moved mainly by
O heat
O wind
O salinity
O the mixing of warm and cold water

Answers

Answer: winds

Explanation:

The second one B. wind

Dan has a very large kidney stone that is not passing on its own. Which of the following may the doctor utilize?

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Answer:

d. Any of the above

Explanation: is correct/post protected

after dogs, what is thought to be the first domesticated farm animal?

Answers

Answer:

sheep and goats

Explanation:

Explain how the surface area and volume of a cell are related to molecule transport through the cell membrane.
Think about filling a small room and a large room with people. Which room takes less time to fill?

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Answer:

Explanation:

I really wish to help but if you need help with that question it can be found on the internet

What would happen to skin cells if mitosis did not take place

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Answer:

Skin cells would die and not be replaced.

Explanation:

What are the products of light dependent reaction of photosynthesis?

Select one:

1.ATP, RuBP, reduced NAD
2.ATP, Oxygen, reduced NAD
3.GP, RuBP, reduced NAD
4.GP, Oxygen, reduced NAD

Answers

Answer:

products of light dependent reaction of photosynthesis are- ATP, Oxygen and NAD

Why is RNA thought to have been the first genetic material? A. RNA has been found on meteorites. B. Primitive organisms, such as some viruses, have RNA as their genetic material. C. RNA is capable of self-replication D. RNA is structurally simpler than DNA.

Answers

Answer:

Explanation:

Because if they have traces of RNA in them, then it might be the first genetic material

1. Rocky Mountain spotted fever is a bacterial infection transmitted by a tick. What type of symbiosis occurs between a deer and the tick?
A. Mutualism
B. Commensalism
C. Parasitism

2. The oxpecker is a bird that eats the insects off the back of a zebra or rhino? What type of a symbiotic relationship is this?
A. Mutualism
B. Commensalism
C. Parasitism

3. Humans have “good” bacteria in their digestive tract, which assists in digesting food. The bacteria thrive there. What type of a symbiotic relationship is this?
A. Mutualism
B. Commensalism
C. Parasitism

4. Barnacles attach themselves to whales in order to be where food is available and also for transportation. This does not hurt the whale? What type of a symbiotic relationship is this?
A. Mutualism
B. Commensalism
C. Parasitism
Mutualism examples

Answers

Answer:

1. C

2. A

3. A

4. B

Explanation:

hope this helps. ♥️

Parasitism is the type of symbiosis that occurs between a deer and the tick. So, the correct option is C. This is because bacteria infect their host cell which is found in Deer.

What do you mean by Symbiosis?

Symbiosis may be defined as a relative ecological association between the individuals of two or more different species.

The type of symbiotic relationship found between oxpecker and zebra is Mutualism. This is because oxpecker is able to get its prey (food), while zebra is benefitted from the removal of insects from their body. So, the correct option is A.

The type of symbiotic relationship between Humans and bacteria living in their digestive tract is Mutualism. This is because Humans are benefitted from bacteria as they assist in digesting food, while bacteria also benefit to find a proper place where unlimited food is available. So, the correct option is A.

The type of symbiotic relationship between Barnacles and whales is Commensalism. This is because Barnacles are benefitted from excess food and easy transportation, while whales are neither benefitted nor harmed by this relationship. So, the correct option is B.

Therefore, each of the questions are properly described above.

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Approximately 3.85 billion years ago, a group of single-celled microorganisms known as __________ were alive, reproducing, and evolving.

Answers

Microbes. — cells that have a nucleus, like an amoeba or a paramecium

the spinal cord achieves the function of locomotion through __________.

Answers

Answer:

groups of neurons called central pattern generators

The spinal cord achieves the function of locomotion through groups of neurons called central pattern generators, hence option A is correct.

What are the groups of neurons in the spinal cord?

Even when cut off from the brain and sensory inputs, "central pattern generators" (CPGs) nerve networks in the spinal cord can generate rhythmic motions like swimming, walking, and hopping.

In the absence of sensory or descending inputs that contain precise timing information, central pattern generators are neural networks that, when triggered, may create rhythmic motor patterns like as walking, breathing, flying, and swimming.

The spinal cord facilitates the movement of bodily components, accidents frequently result in people being unable to utilize certain body parts like the legs.

Therefore, the spinal cord achieves the function of locomotion through groups of neurons called central pattern generators, hence option A is correct.

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The given question is incomplete, so the complete question is,

The spinal cord achieves the function of locomotion through __________.

a)groups of neurons called central pattern generators

b)pools of spinal neurons that receive input from multiple sources

c)involuntary stereotyped responses to stimuli

d)sensory neurons in the brain that initiate walking and determine its speed, distance and direction

e)a flexor reflex

a)groups of neurons called central pattern generators

adventitious storage roots are seen in
a)Carrot
b)Sweet potato
c) Turnie
d)Radish

Answers

Answer:

[tex]a)Carrot [/tex]

...............

PLEASE HELP ME IM TIMED!

Answers

Answer:

protein i believe

Explanation:

The area around the Sahara Desert is slowly changing into a dry region, similar to the desert. Which trait is most likely to be selected in the population of plants growing in this region?

Answers

Answer:

Researchers have found that mitochondria and chloroplasts in eukaryotic cells have their own dna. this dna is different from the dna in a eukaryotic cell's nucleus. chloroplasts and mitochondria use their own dna and ribosomes to make some organelle-specific proteinswhat statement is best supported by this information? a. mitochondria and chloroplasts could exist outside of modern cells.b. modern cells could exist without mitochondria and chloroplasts.c. early eukaryotic cells engulfed prokaryotic cells, which later became mitochondria and chloroplasts.d. early prokaryotic cells engulfed eukaryotic cells, which later became mitochondria and chloroplasts.

Explanation:

What is a strength in the figure?

(1 point)

The figure shows structures in a cell.

The figure shows the steps involved in DNA replication.

The figure shows stem cell differentiation.

The figure shows where mitosis occurs in the cell cycle.

Answers

Answer: D

Explanation:

it shows none of the other ones

which specialized structures are unique to the cnidarians?

Answers

Explanation:

Cnidarians contain specialized cells known as cnidocytes (“stinging cells”) containing organelles called nematocysts (stingers).

Cnidarians have stinging cells which are known as cnidocytes. This is the unique feature of cnidarians.

What are cnidarians and their characteristics?

The class Soft-bodied stinging creatures like corals, sea anemones, and jellyfish are categorized as Cnidaria. Nearly every ocean ecosystem contains cnidarians. They may survive in warm or cold, shallow or deep water. Freshwater is home to a few species. Cnidarians can either live alone or in colonies.

Cnidarians share a number of fundamental traits. Cnidaria is all aquatic organisms, primarily marine ones. All of them have stinging tentacles called nematocysts that they utilize to capture prey. Cnidarians have just two body layers: the ectoderm and endoderm, which are divided by a layer that resembles jelly and is known as the mesoglea.

Thus, cnidocytes are unique features of cnidarians.

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A soccer player is running at a rate of 6m/s. He then stumbles over an opponent's foot falling & rolling to a stop. This took 4 seconds. What was his acceleration?

Answers

Answer:

His acceleration was -1/5 m/s²

Explanation:

Other Questions

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