Answer:
Golgi Apparatus
Explanation:
5 organelle cells not found in human cells
Hurry homework due in couple minutes
Answer:
Not every cell in the human body contains DNA bundled in a cell nucleus. Specifically, mature red blood cells and cornified cells in the skin, hair, and nails contain no nucleus. Mature hair cells do not contain any nuclear DNA. ... As part of the maturation process, human red blood cells destroy their cell nuclei.
This means they have no mitochondria, Golgi apparatus, or endoplasmic reticulum. They also lack a membrane-bound nucleus, although they do have genetic material located in a nucleoid region. Prokaryotic cells are surrounded by a plasma membrane, and some types of bacteria have cell walls as well.
Nucleolus. Within the nucleus is a small subspace known as the nucleolus. It is not bound by a membrane, so it is not an organelle. This space forms near the part of DNA with instructions for making ribosomes, the molecules responsible for making proteins.
Explanation:
is a plant a cell, a tissue or an organ
2. DNA can be found in (select all that apply):
bacteria
o fungi
o protists
o plants
o animals
Answer:
Explanation:
Plantae, Animalia, Protista,Fungi
describe the factors that influence the declining of Amphibians population
Answer:
Hypothesized causes for the declines include habitat destruction (the most obvious cause), climate change, pathogens, introduced exotic species, pollution, and increased UV radiation. These agents may act alone or in combination to contribute to the decline of amphibian populations.
Explanation:
I think this is the answer
Hope it helps you
Answer:
A few causes for the declines in the Amphibian population include habitat destruction, climate change, introduced exotic species, germs or pathogens, pollution increases, and increased UV radiation. These things may act alone or in combination to contribute to the decline of amphibian populations.
Here are 9 factors that have impacted the amphibian population
Insects are attracted to lights making them scarcer within the amphibian habitats.
Habitat modification.
Habitat fragmentation.
Pollution and chemical contaminants.
Ozone depletion, ultraviolet radiation and cloud cover.
Disease.
Introduced predators.
Increased noise levels.
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Which of the following is an example of a protein?
Group of answer choices
hormones and fats
enzymes and antibodies
RNA and DNA
starch and glucose
Answer:
RNA And DNA
Explanation:
because it gives protein as ew need
2. Which specific cytoskeletal element is most susceptible to mitotic inhibitors?
Answer:
microtubules
Explanation:
Microtubules specific cytoskeletal element is most susceptible to mitotic inhibitors.
What is Microtubules?The third main component of the cytoskeleton, microtubules, are hard, hollow rods with a diameter of around 25 nm. Microtubules are dynamic structures that constantly assemble and disassemble within the cell, similar to actin filaments.
They have a role in a number of cell motions, including as some types of cell motility, the intracellular movement of organelles, and the division of the chromosomes during mitosis, in addition to determining the shape of the cell.
Microtubules, which typically consist of 13 linear protofilaments arranged around a hollow core, are created when tubulin dimers polymerize to generate them. The head-to-tail arrays of tubulin dimers that make up the protofilaments are organized in parallel.
Therefore, Microtubules specific cytoskeletal element is most susceptible to mitotic inhibitors.
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HELP NEED ANSWER IN AT LEAST 5 MINUTES.
Which of the following criteria do scientists use to classify something as living? O Reproduce O Made of one or many cells O Grows All of the above
Answer:
Reproducir
Explanation:
A family builds a home on top of a hill. The hill has several large trees but almost no grass or shrubs. The family wants to prevent the soil on the hill around the house from continuing to erode. Describe a strategy that would help them stop the erosion.
Answer:
Remove trees to add less weight and the house should be fine after.
Looking for input and other opinions with the following statement. 'environmental factors influence the rate of natural selection." I am to make a claim on whether I agree or not and why. I agree with the statement. This is because all literature states that with natural selection it's basically the best man/woman wins. I feel that with that statement it directly refers to the environment if food is scarce then the best hunter the best runner is going to get the food first if the weather is changing and it's time to move on or hibernate then the one with the best intuitions will move on or assume hibernation and wont be left to the cold as well as if they are the prey to something else as everything is the best one to keep alert and observant to their surrounding would be the one to survive longer. Although I think that the only downfall to that would be if something happened and the appearance was to change and made them less desirable in that manner but then would in turn help themselves to camouflage to hide better.
I agree completely.
Environmental factors control evolution through surivial of the fittest, or natural selection. This is not nearly as much the case with humans as wild animals, or early on humans, but it does still come into play. For example, lactose intolerance was erradicated in areas where milk was a primary source of nutrients during a famine. The famine was environmental, causing natural selection to elimate lactose intolerant people in the area.
A more basic example is fur color of certain animals. They were selected by their environment to survive and pass on their genetics, causing the species to evolve.
What is another way nitrogen is added back into the atmosphere BESIDES animal waste, but is too unreliable to count on?
Answer:
Plant and animal wastes decompose, adding nitrogen to the soil. Bacteria in the soil convert those forms of nitrogen into forms plants can use. Plants use the nitrogen in the soil to grow. People and animals eat the plants; then animal and plant residues return nitrogen to the soil again, completing the cycle.
When muscle cells run out of____________, they resort to lactic acid fermentation for a supply of energy. A. Carbon Dioxide B. Oxygen
Answer:
B oxygen
Explanation:
When your body runs out of oxygen, or your other systems can't deliver oxygen to your muscles quickly enough, your muscles convert the available glucose into lactic acid instead.
Lactic acid fermentation is the energy source used by muscle cells when their supply of oxygen runs low.
What is muscle cell?A muscle cell is sometimes known as a myocyte because smooth muscle cells and cardiac muscle cells are both very small cells. The long, threadlike cells of skeletal muscle with many nuclei are known as muscle fibers. Muscle cells are derived from myoblasts, which are embryonic progenitor cells.The cytoplasm and cell membrane of a muscle cell are known respectively as sarcoplasm and sarcolemma. The sarcoplasm contains myoglobin, which is a site for storing oxygen, and glycogen in the form of granules in the cytosol, which is an energy source.When your body runs out of oxygen or when your other systems are unable to transfer oxygen to your muscles quickly enough, your muscles convert the available glucose into lactic acid instead of oxygen.To learn more about muscle cell refer to:
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how plating trees can be a problem
Answer:
(Hope this helps can I pls have brainlist (crown)☺️)
Explanation:
There are even more serious issues, as trees have several ways of influencing the climate. The first problem is that trees are dark in comparison to other things that could cover the ground, such as grass or snow. Planting more trees, as a result, tends to make the terrain darker.
Tree planting on a large scale is becoming a more popular part of worldwide efforts to fulfil climate objectives. Forests, on the other hand, are complex ecosystems, and haphazard planting can actually raise carbon dioxide (CO2) levels in the atmosphere, contributing to global warming.
Fact: Trees grow slowly
During meiosis, when do the sister chromatids separate?
a
Metaphase I
b
Metaphase II
c
Anaphase I
d
Anaphase II
Answer: During metaphase, each of the 46 chromosomes line up along the center of the cell at the metaphase plate. Anaphase: During anaphase, the centromere splits, allowing the sister chromatids to separate.
Explanation:
Can water go across a semipermeable cell membrane?
Answer:
I believe water can go across the membrane. I hope this helps.
Answer:
yes, water can go across a semipermiable cell membrane..
Explanation:
brainliest plz
A gene showing codominance
Discuss why insecticide sprays are ineffective in the fight against Zika and why scientists are looking for alternatives.
Answer:
Some existing methods for controlling Zika-carrying mosquitoes are not effective and may even be counter-productive.
Explanation:
It was found that while biological interventions did appear to reduce numbers of disease-carrying insects more than chemical controls, the quality of the evidence was often poor.
How does gulf stream affect global temperatures ?
The strong current of warm water influences the climate of east coast of Florida, keeping temperatures there warmer in the winter and cooler in the summer than the other southeastern states.
The smallest particle in an atom is the… and why
1. Electron
2. Neutron
3. Proton
4. None of the above
Answer: None of the above because everyone's knows quarks are the smallest of them all.
Explanation:
Which term best completes the following analogy?
Elements : Atoms: Covalent compounds: _________
A. Bonds
B. lons
C. Mixtures
D. Molecules
Answer:
C. Molecules
The best term that completes the analogy is Molecules
What is the difference between environmental science and environmentalism?
Answer:Environmental science is the pursuit of knowledge about the workings of the environment and our interactions with it. Environmentalism is a social movement dedicated to protecting the natural world. Nature makes resources at similar speeds.
Explanation:
why is it important to know the beginning of the universe and the solar system?
Answer:
In the process of exploring the birth of the earliest galaxies in the universe, to understand the planetary systems, explore planets that are capable of supporting life, and to learn whether life began elsewhere in the solar system have helped us advance and build our civilization.
Describe the function of chloroplasts.
Chloroplasts use light energy to make sugar from carbon dioxide and water.
O Chloroplasts break down sugar to make energy in the form of adenosine triphosphate, or ATP.
Chloroplasts use light energy to make sugar, carbon dioxide, and water.
Chloroplasts break down sugar to make energy in the form of carbon dioxide and water.
Answer:
chloroplasts use light energy to make sugars, water, and carbon dioxide.
Explanation:
Which produces more energy: Cellular respiration or fermentation?
Chamges in blood are automatically and routinely made by the body In order to direct appropriate amounts of________and________to specific parts of the body?
Help Asap!!
Answer:
What is Oxygen & Nutrients
Explanation:
Changes in blood are automatically and routinely made by the body In order to direct appropriate amounts of OXYGEN and NUTRIENTS to specific parts of the body.
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Nucleus is found in...
A. prokaryotic cells.
B. eukaryotic cells.
C. all cells.
Answer:
Eukaryotic cells
Explanation:
Prokaryotic cells do not have a nucleus but eukaryotic cells do.
Hope this helps!
C. Eukaryotic cells.
All cells can be classified into two groups: eukaryotic and prokaryotic. Eukaryotes have a membrane-enclosed nucleus and organelles, whereas prokaryotes do not.
Where does the energy from and where does it end up?
Answer:
Our energy supply comes mainly from fossil fuels, with nuclear power and renewable sources rounding out the mix. These sources originate mostly in our local star, the Sun. Electricity falls into its own category because it's an energy carrier and not a primary source.
Short note on : Sustainable harvesting on herbal plants
Answer:
The ecological definition of sustainable harvesting is harvesting that allows population numbers to be maintained or to increase over time. A lagging economy and a lack of alternative construction materials make mangrove harvesting inevitable, and for local people, an economic necessity.
How are the cells in the circulatory system helping me in the action of kicking a ball?Do some have specific jobs?
Answer:
Exercise causes the heart to pump blood into the circulation more efficiently as a result of more forceful and efficient myocardial contractions, increased perfusion of tissues and organs with blood, and increased oxygen delivery. Aerobic exercise trains the heart to become more efficient.
Explanation:
qué tipos de deformaciones pueden sufrir las rocas? Explicalas
Explanation:
Cuando una roca se somete a un esfuerzo creciente, pasa por 3 etapas sucesivas de deformación. Deformación elástica: en la que la deformación es reversible. Deformación dúctil: en la que la deformación es irreversible. Fractura: tensión irreversible en la que el material se rompe
A person jogging from the forest to the office covers the 6,800
meters in 2 hours. Their speed is not constant and they slow down
and speed up at various times. What is their average velocity?
Round the answer to the hundredths place if necessary.
a 1.9 m/s north
b. Impossible to calculate since the speed wasn't constant.
C. 0.9420/s north
d. 56.67 m/s north
e. 1.34 m/s north
f. 0.56 m/s north
[tex]\\ \sf\longmapsto Avg\: Velocity=\dfrac{Total\: displacement}{Total\:time}[/tex]
[tex]\\ \sf\longmapsto Avg\: Velocity=\dfrac{6800}{7200}[/tex]
[tex]\\ \sf\longmapsto Avg\: Velocity=0.9420m/s[/tex]
Answer:
0.9420m/s north
Explanation:
Given,
Displacement (Total) = 6800 metres(m)
Time = 2 hours
We need to convert hours to seconds.
2 hours = 7200 seconds
We know,
[tex]\sf\longmapsto \: Average \: velocity = \frac{Total \: Displacement}{Total \: time} [/tex]
Let's start solving!
[tex]\sf\longmapsto \: Average \: velocity = \frac{6800 \: metres}{7200 \: seconds} [/tex]
[tex]\sf\longmapsto \: average \: velocity = 0.9420\: m/s[/tex]
