Answer:
When animal cells are put in fresh water, water diffuses/moves into the cell, if too much water moves in the cell will burst. If you put a freshwater fish in salt water its cells would lose water and shrivel because the water has more salt than its cells.
Explanation:
Carbon atoms typically make
bond(s) in a molecule.
a
four
b three
c
one
d
two
Chat
The answer is a. four
Explanation:
hope this helps
The tree branch is made of wood and the block is also made of wood Why does the tree branch with leaves complete the circuit but the old wood block does not? the tree branch was longer so it completed the circuit
Answer: The tree branch probably fit the circuit because it was larger in size tahn the brick. The brick would be much smaller. So, this is why the tree fit the circuit.
Hope this helps!
What are all the ways that organisms can interact in a community
Answer:
The fact that organisms live together forces them to interact in different ways. For example, an organism preys upon another for food. Or perhaps there is competition among organisms over resources such as food, water, and territory.
Explanation:
What do you think makes a skin cell different from a hair cell?
Answer:
Hair grows by forming new cells at the base of the root. These cells multiply to form a rod of tissue in the skin. The rods of cells move upward through the skin as new cells form beneath them. As they move up, they're cut off from their supply of nourishment and start to form a hard protein called keratin.
Explanation:
Skin cells are designed to be shed and replaced quickly, and they lack mitochondria (which helps to generate energy).
What is a cell?Cells are the foundational building blocks of all life. Many of cells make up the human body.
They support the body's structure, absorb nutrients from food, convert those nutrients into energy, and perform specialized functions.
Hair grew back by establishing new cells at the root's base. These cells divide and multiply to form a tissue rod in the skin.
As new cells form beneath them in that case, the cell rods starts moving upward through the skin. As they progress, they are cut off from their food supply and begin to form keratin, a hard protein.
Thus, this way, it can be concluded that, hair cells are different from skin cells.
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How does the water in the wet foam affect its density?
Answer:
increases its density due to increased mass
Explanation:
someone help please question is in pic
Answer:
the top and bottom one
Explanation:
animals breathe in oxygen and plants make oxygen
some animals eats plants and other animals eat animals( who eat plants) therefore indirectly benefiting from plants along with directly
animals don need chlorophyll
plants "breathe" in corbon dioxide not animals
I need help please...
1. Does respiration occur in (a)lungs, (b)heart, (c)trachea (d)lungs (e)arteries, or (f)veins? Explain your answer.
Answer:
(a) lungs
Explanation:
The lungs and respiratory system allow us to breathe. They bring oxygen into our bodies (called inspiration, or inhalation) and send carbon dioxide out (called expiration, or exhalation). This exchange of oxygen and carbon dioxide is called respiration.
In the United States, alcoholic beverages that are sold in stores display a government warning stating that pregnant women should not drink alcoholic beverages. This is because it prevents cleavage division from occurring, so a zygote cannot become a blastocyst. if a woman drinks alcohol while she is pregnant, she may not be able to ovulate again after childbirth. studies have proven that alcohol consumption causes long-lasting disorders in the fetus. the science of chemistry has shown that alcohol is a reactive substance that may interfere with the mother’s food digestion.
Answer:
The correct answer is - studies have proven that alcohol consumption causes long-lasting disorders in the fetus.
Explanation:
Alcohol can cross the barrier that the placenta creates between the mother and fetus so the alcohol can negatively impact the fetus or newborn by various means.
It can harm the fetus as it may result in damage to the cells of the fetus. Brain cells and spinal cord cells are prone to such kind of alcohol toxicity or syndrome. Alcohol spectrum disorder that affects the development of the baby which could be long-lasting.
Answer:
studies have proven that alcohol consumption causes long-lasting disorders in the fetus.
Explanation:
How many numbers of parents contribute jeans to the blue headed Wrasse
I NEED ANSWER BY TONIGHT!!! (10 POINTS!!!!!!!!)
What is NOT an advantage of asexual reproduction?
1. requires less energy
2. requires only 1 parent
3. quick process
4. variation of genetic traits
Answer:
uhh if its asexual reproduction then 4. isnt true. there are no variations since its just basically the cell splitting.
Explanation:
In some flowers, pollen falls on the stigma of the ____ flower and _____-pollination occurs.
Answer:
in some flowers, pollen falls on the stigma of the same flower and self pollination occurs.
Plants have developed many methods of seed dispersal. The table below shows seeds of two different plants. How has the seed dispersal method developed by these plants given them a reproductive advantage?
Answer:
it gives them an advantage by it being able to spread out its kind many different times and in vast amounts.
Explanation:
When does genetic mutation occur
The narrator states that Dr. Taylor's work seems like it's from the "realms of science fiction." What did she mean by this statement?
Answer:
Growing organs and new body parts in a lab isn’t currently possible with modern medicine. Until now, we’ve only seen this kind of experiment prove successful in fictional stories and movies. If Dr. Taylor’s experiment is successful, it’ll be a huge leap forward for modern medicine.
Answer:
Growing organs and new body parts in a lab isn’t currently possible with modern medicine. Until now, we’ve only seen this kind of experiment prove successful in fictional stories and movies. If Dr. Taylor’s experiment is successful, it’ll be a huge leap forward for modern medicine.
Explanation:
In the diagram below, which part of the human brain handles processes such
as thinking, hearing, and movement?
B
O
A. Both B and C
B. B only
C. Both A and C
OO
D. A only
Answer:
There is no diagram below
Explanation:
Why is the cell membrane considered selectively permeable? Because some materials can come in and some materials must stay out Because some materials can come in and some materials must stay out Because it forms a barrier where all materials can get through Because it forms a barrier where all materials can get through Because it forms a barrier where no materials can get through Because it forms a barrier where no materials can get through
Answer:
Because some materials can come in and some materials must stay out
Explanation:
Cell membrane is a structure that covers or bounds the cytoplasmic layer of every living cell. It is made up of mostly lipids. According to this question, it is regarded as selectively permeable. This means that it selects what goes into the cell and what comes out.
The cell membrane is capable of this because of its amphipathic nature i.e contains both hydrophilic and hydrophobic regions. Because the cell membrane controls what goes into the cell and what comes out of the cell, it is referred to as selectively permeable as some materials can come in and some materials must stay out.
based on the information above, which of these would most likely be affected by a global warming?
Polar bear living on the ice sea.
MODEL MUST INCLUDE:
Ice Pack
Skin
• particles for the ice
pack
particles for the skin.
• how the particles are
moving in each
system based on
their temperatures.
and
Plastic border between
ice pack and skin
How kinetic energy
is entering or leaving
the systems
In which type of environment are plants most likely to use a C4 pathway of carbon fixation?
cold and wet
cold and dry
hot and wet
hot and dry
Answer:
I would try the third one
How do water's relative densities as a solid and liquid differ from that of most other substances
Answer:
Under normal ambient conditions water is less dense as a solid than as a liquid, so ice floats on water. Most materials are more dense as solids.
Which of the following is NOT an ecological argument for why wolves should be reintroduced into the woods of northern Pennsylvania?
a) Wolves will keep deer populations in check.
b) Wolves provide animal kills which are food for a variety of animals
c) Plant communities are more diverse when wolves are present.
d) Wolves will strengthen the ecotourism business ask tourist visit to see wolves.
PLS PLS PLS HELP IT IS A TIMED TEST AND I WILL GIVE BRAINLIEST
If Guanine makes up 24% of a DNA sample is the percentage of Adenine?
A. 24%
B. 48%
C. 26%
D. 52%
Answer:
20% plus 20% is 40% of adennine and thymine. From 100% DNA bases subtract 40% and you will get 60%. Then divide this by 2 and you will get 30%. 30% of guanine and 30% of cytosine, because their amounts are equal in the DNA stand.
Explanation:
sorry if that didnt help but i certainly hope that it did!!!
but im pretty sure that its 48%
What item is closest to 1 meter?
a school bus
A a human
a space ship
a bug
I can conclude that the mineral that the scientist found is harder than chalcopyrite, pyrite, and orthoclase, but not harder than quartz. I can also conclude that the unknown mineral is a relatively hard mineral. Which ideas did you include in your answer? Check all that apply.
Answer:
B
Explanation:
Answer:
BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBb
Explanation:
B
You freeze an enzyme and then warm it gently without passing the optimum temperature. What will happen to its activity
A. The activity will speed up then decrease to zero
B. The activity will speed up
C. Activity will not be affected at all
D. There will be no activity
Answer:
B. The activity will speed up
Explanation:
As temperature increases, enzyme activity increases (until is passes the optimum temperature)
Traits are determined by the sequence of nucleotides in DNA
O
True
O False
Answer: false
Explanation:
What is an example of grow and develop?
Answer: example of development is a caterpillar transforming into a chrysalis (in the cocoon) and then into a butterfly.
Explanation:
Answer:
an example of growth is a little caterpillar growing into a big caterpillar, an example of development is a caterpillar transforming into a chrysalis (in the cocoon) and then into a butterfly.
Explanation:
19. How does a unicellular paramecium get rid of its excess water? Is
energy used?
Answer:
Paramecium and amoeba live in fresh water. Their cytoplasm contains a greater concentration of solutes than their surroundings and so they absorb water by osmosis. The excess water is collected into a contractile vacuole which swells and finally expels water through an opening in the cell membrane.
Explanation:
Please help me answer this
Answer:
lipids
Explanation:
lipids also can contain sulphur (C, H, O, N, S, P)
Which of the following statements about the tundra is not true?
a.
The tundra has limited vegetation.
b.
There are two main categories of the tundra biome.
c.
Temperatures in the tundra can get below -20° F.
d.
The tundra biome does not support animal life.
It's actually D on edge2020. Tundra has limited veg, the two types are alpine and artic, and temperatures can get below -20F. Tundra can support animal life, but it's just extremely harsh and unforgiving.
The statement that is not true about the tundra is the tundra biome doesn't support animal life. So, the correct option is D.
What is Tundra?Tundra biome is found at high latitudes, where sunlight is low. The soil in this region is completely frozen and nutrients are limiting. The average temperature of this region is below -10°F. The vegetation consists of low shrubs and grasses.
As the nutrients are limited in the tundra biome, it has limited vegetation. There are two main categories of the tundra biome i.e. Arctic tundra and Alpine tundra. Animals such as the arctic hare, the arctic fox, the musk ox, the polar bear, etc. are present in the tundra habitat.
Therefore, the statement that is not true about the tundra is the tundra biome doesn't support animal life.
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