A plant cell contains a cell wall and chloroplasts, while animals cells do not have these cellular structures.
Chloroplasts are organelles required to produce energy in the form of ATP and thus synthesize simple carbohydrates (e.g., glucose) by the process of photosynthesis.Cell walls are cellular structures that help to support and shape plant cells.Moreover, plant cells generally contain big vacuoles, whereas animal cells generally exhibit small vacuoles.In conclusion, a plant cell contains a cell wall and chloroplasts, while animals cells do not have these cellular structures.
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If a plant died from lack of food provided by photosynthesis, which structure is most likely missing or damaged
An antibody is a foreign substance in the body.
a. True
b. False
PLEASE HELP WITH THIS ONE QUESTION
Answer:
D
Explanation:
as only one phosphate is removed hence the name ADP which stands for adenineDIphosphate. Hope this make sense :)
Biochemists developed a compound that they hypothesize will disrupt the ability of the cells to organize centrioles and microtubules. This compound is applied to a group of onion root tip cells. What will serve as the best evidence that the biochemists' hypothesis about this compound is correct?
The best evidence that the biochemists' hypothesis about this compound is
correct will be lack of growth in the onions.
The centrioles and microtubules are important during the process of cell
division(mitosis) by organisms. They ensure that the cells divide properly
which helps cells to grow.
The compound being hypothesized to disrupting the activities of the
centrioles and microtubules means lack of growth will signify that it is
correct and the most appropriate choice.
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A homo-zygous round seeded plant is crossed with a homo-zygous wrinkled seeded plant. Round R is dominant to wrinkled r.What alleles would be in the gametes of the round seeded plant?
A. R,r
B. RR
C. Rr
D. R,R
which fungus does contain mycelium?
Answer:
Mycelium is part of the fungi kingdom and is the network of threads, called hyphae, from which mushrooms grow. Not all mycelia fruit mushrooms, depending on the environmental conditions, but all mushrooms come from mycelia.
Explanation:
In your own words, explain why photosynthetic cyanobacteria were likely the first organisms to survive and thrive in the harsh conditions on early Earth.
Explanation:
cyanobacteria are aquatic and photosynthetic, that Is they live in the water, and can manufacture their own food.Because they are bacteria, they are quite small and usually unicellular, though they often grow in colonies large enough to see.they have the distinction of being the oldest known fossils more than 3.5billion years old, in fact! it may surprise you then to known that the cyanobacteria are still around,they are one of the largest and most important group of bacteria on
The gene for fur color in mice has two alleles, the allele for gray fur
(G) is dominant to the allele for black fur (g). What would be the
phenotype of a mouse with genotype gg?
A Gray fur
B black fur
C Gray fur with the black spot
D Black fur with the gray spot
Why is the ability to adjust conclusions when necessary important Io critical thinking?
Answer:
When new information leads to new and different conclusions, it is important to be able to adapt to the most up-to-date conclusions.
hope this helps bye-bye
3. Explain why unmanned marine vehicles are so useful provide specific examples
or facts from the video.
Unmanned marine vehicles are useful because they help with marine tasks, completing them in less time, reducing risks, reaching deeper areas.
Unmanned marine vehicles (UMV) are robotic vehicles controlled from afar that allow us to explore the sea and perform tasks with minimum risks.
UMV is useful because:
They substitute people working at the sea in risky tasks,They allow deeper exploration of the sea.They do tasks in less time than humans.An example of how useful these marine vehicles are is during the construction of ports. They replace divers who have to do the job manually, spending many hours and risking their lives. With a UMV, there is no need for humans to go under the water, experts control the robot from the surface.
In conclusion, UMVs are useful because they are practical tools that save time and reduce risks.
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Which of these describes the complexity of abiotic and biotic factors within an ecosystem that supports a specific species?
A.fauna
B.biome
C.climate
D.habitat
In an ecosystem, the term that describes the complexity of the abiotic and biotic factors which supports a specific species is: D. habitat.
What is an Habitat?An habitat can be described as the sum total of resources, abiotic and biotic factors that are found in a particular environmental area which support the survival and growth of a specific species that is better adapted to it.
Examples of HabitatsWoodland Forest SeashoreGrasslandTherefore, in an ecosystem, the term that describes the complexity of the abiotic and biotic factors which supports a specific species is: D. habitat.
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The __________________ is the tunnel that cuts through the external auditory meatus delivering sound to the ear drum or the _____________________.
Answer:
The auricle (pinna) is the visible portion of the outer ear. It collects sound waves and channels them into the ear canal (external auditory meatus), where the sound is amplified. The sound waves then travel toward a flexible, oval membrane at the end of the ear canal called the eardrum, or tympanic membrane.
Explanation:
How can carbon can be stored for a short time in the natural cycle?
Answer:
The carbon cycle is nature's way of reusing carbon atoms, which travel from the atmosphere into organisms in the Earth and then back into the atmosphere over and over again. Most carbon is stored in rocks and sediments, while the rest is stored in the ocean, atmosphere, and living organisms.
Give reasons :
a) Nylon clothes should not be worn in the kitchen.
b) Cotton fibre is used to make bath towels.
c) Umbrellas and raincoats are made from synthetic fibres
Answer:
a) It is dangerous to wear nylon clothes while cooking because it is a synthetic cloth and they catch fire easily also they can stick on our body which is very painful.
b) Cotton is a natural product. And unlike synthetic fibres, it is more absorbent. The towel hence has high absorbency.
c) Nylon and polyester are two fabrics most commonly used in raincoats and umbrellas. They are not absorbent the way natural fibers are. They naturally resist waterlogging, and can be made waterproof.
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List three major events in cell theory development.
Answer:
These findings led to the formation of the modern cell theory, which has three main additions: first, that DNA is passed between cells during cell division; second, that the cells of all organisms within a similar species are mostly the same, both structurally and chemically.
1. In 1683, Leewenhoek discovers bacteria.
2. In 1857, Kolliker describes mitochondria in muscle.
3. Ruska builds the the first transmission electron microscope.
Hope that helped in some way. x
what's photosynthesis are
Answer:
Production of sucrose in plants from light energy
Explanation:
Which phrase best describes what a soil horizon is?
A the bottom layer of a soil profile
B each layer of a soil profile
C the place where two soil profiles meet
D the place where a soil profile meets bedrock
Answer:
I suppose the answer is C
Each layer of a soil profile best describes a soil horizon.
What is a soil horizon?A soil horizon is a layer of soil within a soil profile. A soil profile is a vertical section through the soil, showing the different layers, or horizons, of soil that make up the soil. Soil horizons are typically classified based on their physical, chemical, and biological properties, and they can vary in thickness and composition depending on factors such as climate, vegetation, and the underlying geology.
Some common soil horizons include the surface horizon, the subsoil, and the parent material.
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the empirical (scientific) method of study is based on ______
Answer:
Empirical research is based on observed and measured phenomena and derives knowledge from actual experience rather than from theory or belief.
Key characteristics of empirical research:
- Specific research questions to be answered
- Definition of the population, behavior, or phenomena being studied
- Description of the process used to study this population or phenomena, including selection criteria, controls, and testing instruments (such as surveys).
What properties do all solids share?
Answer:
Solids have many different properties, including conductivity, malleability, density, hardness, and optical transmission, to name a few.
Explanation:
dont know why my answer got deleted but here's a different answer :'(
6. All of the following are renewable resources except for:
A. fossil fuels
B. soil
C. water
D. forests
a - fossil fuels
step by step explanation:
fossil fuels are non-renewable and will run out
Mandela's cancer began in skin cells and then spread to cells in the liver and brain. What type of cancer does this situation describe
Metastatic melanoma skin cells and then spread to cells in the liver and brain.
Metastatic melanoma is a disease that occurs when the cancerous cells from the original tumor.
Where does melanoma usually spread to first?The first place a melanoma tumor metastasizes to is the lymph nodes, by literally draining melanoma cells into the lymphatic fluid, which carries the melanoma cells through the lymphatic channels to the nearest lymph node basin.
Thus, Metastatic melanoma is the answer.
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What is the difference between refraction and reflection?
Answer:
Reflection involves a change in direction of waves when they bounce off a barrier. Refraction of waves involves a change in the direction of waves as they pass from one medium to another.
Explanation:
Wings of birds,wings of insects and patagia of bats are analogous organ? why
Drag the tiles to the correct boxes to complete the pairs.
Match each organ to its function.
bone
heart
stomach
lung
pumps blood through the body
arrowRight
provides structure for the body
arrowRight
breaks down food into small particles
arrowRight
oxygenates blood
arrowRight
Bone —> provides structure for the body.
Heart —> pumps blood through the body.
Stomach —> breaks down food into small particles.
Lung —> oxygenates blood.
What does fat become after the chemical process?
Answer:
uR mOtHeR
Explanation:
dUnno im sorry and very bored
Cell division vocabulary .
Answer:
Chromosomes-a threadlike structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes.
Chromatin-the material of which the chromosomes of organisms other than bacteria are composed. It consists of protein, RNA, and DNA.
Chromatid-each of the two threadlike strands into which a chromosome divides longitudinally during cell division. Each contains a double helix of DNA.
Centromere-the region of a chromosome to which the microtubules of the spindle attach, via the kinetochore, during cell division.
Centriole- a minute cylindrical organelle near the nucleus in animal cells, occurring in pairs and involved in the development of spindle fibers in cell division.
Explanation:
Which statement is true about the particles in liquid water at 100°C and the particles in steam at 1000C? (Select ALL that apply)
the particles will have the same kinetic energy
the space between the particles is different with more space between particles in a gas
the particles will have different kinetic energy
the space between the particles is different,with less space between particles in a gas
The particulate nature of matter explains that when a substance gets heated it particles gets energised and they move away from one another in a random manner, hence the correct options are
The space between the particles is different with more space between particles in a gasThe particles will have different kinetic energyWhat happens to particles when they are heated
With an increase in temperature, the particles move faster as they gain kinetic energy, resulting in increased collision rates and an increased rate of diffusion.
With an increase in temperature, the particles gain kinetic energy and vibrate faster and more strongly
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Whats atoms are found in human fat?
Fatty acids are constructed from the chemical elements carbon, oxygen and hydrogen. Fatty acids can be divided into a carboxylic acid head group–hence fatty acid–linked to a long chain of carbon atoms.
does that help?
How does the water cycle transfer energy through an ecosystem?
Answer:
Water also moves through the living organisms in an ecosystem. Plants soak up large amounts of water through their roots. The water then moves up the plant and evaporates from the leaves in a process called transpiration. The process of transpiration, like evaporation, returns water back into the atmosphere
Explanation:
my dad is a science teacher
Answer:
water gains energy in condensation and releases it in evaporation
If a firm hires 10 workers at $9 per hour each and the 11th worker will be hired only if the wage rate falls to $8 per hour, the marginal wage rate must be _____.
Multiple Choice
−$2
$2
−$2.20
$2.20
Answer:
-2 USD
Explanation: