Answer:
2. Van Leeuwenhoek
Explanation:
Hooke did discover it, but the cells were dead already. So it's Van Leeuwenhoek.
In photosynthesis what are the 2 major reactions that take place
Answer:While the mechanisms of photosynthesis are complex, the overall reaction occurs as follows: carbon dioxide + sunlight + water ---> glucose (sugar) + molecular oxygen. Photosynthesis takes place through several steps which occur during two stages: the light phase and the dark phase. Stage One: Light Reactions
Explanation:
eh it called google
Answer: light-dependent reactions and the Calvin cycle
Explanation:
(light-independent reactions). Light-dependent reactions, which take place in the thylakoid membrane, use light energy to make ATP and NADPH.
A way in which humans can interact with the environment in a positive way is to
A all of these
B. feeding the birds
C. clean up the beaches
D. clean up the bay
Answer:
a
Explanation:
Even though scorpions are related to spiders, there are many differences between the two organisms. One difference is that scorpion young do not hatch from eggs as spiders do. Scorpions are born live, two at a time, and they immediately crawl onto the mother's back for protection and care. They remain there for 2 weeks as they grow big enough to take care of themselves.
The skin cells of a scorpion organize together to make a hard covering called a carapace, which helps protect the scorpion. What is the term for a group of similar cells working together?
Question 11 options:
system
organism
organ
tissue
The skin cells of a scorpion organize together to form a hard covering called a carapace, which helps protect the scorpion. "Tissue" is the term for a group of similar cells working together. The last option is the correct answer.
What is a tissue?In a single-celled organism, cells perform all of the body's functions, whereas in multicellular animals, cells join together to form tissue, tissue joins together to form organs, and organs join together to form organ systems, and all functions are divided. By the time zygote formation occurs, there is only one cell present, and that cell has been divided, specialized, and assigned specific functions.
Some cells make stem cells, some make epithelial cells, and so on. The tissue is a group of cells having a similar function, such as epithelial tissue, which has many cells but all of them perform the same function, that of a skin cell; all of them have sweat glands, etc.
Hence, "tissue" is the term for a group of similar cells working together. The last option is the correct answer.
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Besides poaching, what other major factor is causing a decline in elephant populations?
Answer:Habitat Loss and conflict with communities
Explanation: Habitat loss and conflict with communities
Most elephant habitat still extends outside protected areas, and the rapid growth of human populations and the extension of agriculture into rangelands and forests formerly considered unsuitable for farming mean that elephant habitat is continuing to be lost.
Increasing conflict with people
As human populations expand, more land is being converted to agriculture. So elephant habitat is shrinking and becoming more fragmented, and people and elephants are increasingly coming into contact - and conflict - with each other.
Elephants sometimes raid farmers’ fields and damage their crops – affecting the farmers’ livelihoods – and may even kill people. Elephants are sometimes killed in retaliation.
With human populations continuing to grow across their range, habitat loss and degradation - and conflict with communities - will remain major threats to elephants' survival.
Besides poaching other major factor is causing a decline in elephant populations is habitat Loss and conflict with communities.
What are the reason behind the decline of the population of elephants?The reason behind the decline of the population of elephants are poaching, besides poaching other major factor is causing a decline in elephant populations is habitat Loss and conflict with communities.The logistics growth curve has been defined as the population per capita growth rate is decreases and get smaller and the size of population increases maximum applied by resources which are limited in the environment which is known as the K that has been carrying capacity.
The logistics population growth has been represented by the logistic growth curve on a line graph and the shape of the curve has S - shaped that represents the slow increase, and rapid growth in the population and after that there has been reduction in the growth.
The best example of the logistics growth has observed in the wild population that includes the sheep as well as harbor seals. In both of the cases the number of the population has been increases and carrying capacity for small period of time.
Therefore, Besides poaching other major factor is causing a decline in elephant populations is habitat Loss and conflict with communities.
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Which of these organelles is responsible for protein synthesis?
Answer:
I would have to say either ribosomes or mitochondria.
Answer:
the ribosomes :)
Explanation:
Which statement describes the movement of water when a cell swells up and bursts due to osmosis?
Group of answer choices
The cell membrane used energy to move water into the cell through passive transport.
The cell membrane used energy to move water out of the cell through passive transport.
Water went out of the cell because the concentration of water inside the cell was higher than the concentration outside the cell.
Water went into the cell because the concentration of water inside the cell was lower than the concentration outside the cell.
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Question 9
Answer:
water went into the cell because the concentration of water inside the cell was lower than the concentration outside the cell.
Answer:
D. Water went into the cell because the concentration of water inside the cell was lower than the concentration outside the cell
Which of the following is the most important in preventing the spread of
microorganisms in a food establishment?
effective handwashing
wearing gloves when handling food
removing all jewelry
wearing a hair net
Answer:
effective handwashing
Explanation:
Whoever says it first gets brainliest! Please help. 18 points!
Answer:
it c
Explanation:
Answer: d
E
xplanation:
1. In which direction do planets orbit the Sun, clockwise or
counterclockwise?
Answer:
Counterclockwise
Explanation:
Answer:
Counterclockwise
When ___________ occur(s) during DNA replication, it can lead to genetic variation after a cell divides into daughter cells.
A) Mutation(s)
B) Adaptation
C) Conjugation
D) Reproduction
Answer:
I believe it is D. Reproduction
Explanation:
PLz help ASAP
tell me if this is correct or not if it isn't then plz do tell me what I need to change it to
Nhen you are finished with the experiment, complete the following data analysis and submit your answe 1. Determine the volume of the box and the block. 2. Determine the ratio of the block to the box: volume of block (L)(W)(H) volume of bosc (DWH) 1. Multiply this number by 100 to turn it into a percent. 2. Complete this statement The volume of the block is percent of the volume of the box. 3. Determine the ratio of the number of hits to the number of shots: number of bits 100 shots 1. Multiply this number by 100 to turn it into a percent. 2. Complete this statement: The block was hit percent of the time. 4. Compare the results of step 2 to the results of step 3. Are the percentages similar? 5. Write a conclusion discussing the following items: 1. Based on your findings, do you think Rutherford's hypothesis was reasonable? 2. Restate Rutherford's hypothesis and describe how you tested it. 3. State whether your results support the hypothesis. If they do not, can you suggest some error in exp procedure (other than general human error) that might explain it? 4. Finally, explain how this experiment confirms the nuclear model of the atom and the idea that most of empty space.
Answer:
These are just the answer key. You will have to fill in the lower half of the questions yourself. I did not consider 32% and 1.6% approximately the same but the answer key did.
Hope this helps:)
Explanation:
The box’s measurements are: length = 50 cm, width = 25 cm, and height = 25 cm. The measurements of the block are: length = 10 cm, width = 10 cm, and height is 5 cm.
Out of 100 marble drops or shots, the marble hit the block 32 times.
volume of the box = 50 × 25 × 25 = 31250 cm 3
volume of the block = 10 × 10 × 5 = 500 cm 3
Ratio = 500/31250 = 0.016 × 100 = 1.6%
The volume of the block is 1.6% of the volume of the box
Ratio = 32 hits/100 shots = 0.32 × 100 = 32%
The block was hit 32% of the time.
Percentages will be similar and both be small percentages
Answers will vary.
1.1.7.
What is the difference between eukaryotic and prokaryotic cells?
A. Eukaryotic cells are found in bacteria and prokaryotic cells are not.
B. Prokaryotic cells are found in plants and animals and eukaryotic cells
are not.
C. Eukaryotic cells contain organelles and DNA enclosed within a nucleus
and prokaryotic cells do not.
D. Prokaryotic cells contain no organelles except DNA enclosed within a
nucleus and eukaryotic cells do not.
Answer:
I think it's D, because prokaryotes have no organelles, yet their DNA can be enclosed in a small nucleus (nucleolus).
As the human population grows, what happens to our natural-resource requirements?
They increase.
They decrease.
They do not change.
They go in cycles.
Answer:
A: They increase
Explanation:
Edge2021
As the human population grows, our natural-resource also increases which is denoted as option A.
What are Resources?This is referred to as a substance which enables an individual make profits or benefits.
When human population grows, wants also increases which will lead to an increase in the natural-resource requirements.
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Hurry 30 Points! I need help!
Answer:
We need the directions. Once provided I will then edit this.
Explanation:
Give two names for a hydrogen atom with a missing electron
Answer:
Cation,anion
Explanation:
The primary function of DNA is to?
Answer:
The major function of DNA is to encode the sequence of amino acid residues in proteins, using the genetic code.
Explanation:
A in Biology class last year.
DNA is the genetic material of many organisms. The primary function of DNA is to store the genetic information that results in protein synthesis.
What is DNA?DNA or deoxyribonucleic acid is the nucleic acid that includes the instruction and the information that codes for protein synthesis. It is a crucial part of hereditary that passes the genetic traits from one generation to another.
The major role that it plays in an organism is to store the genetic code and information so that it can be used to synthesize proteins through the process of transcription and translation.
Therefore, DNA stores genetic information.
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It is thinner but denser plate.
As this plate ducts molts
Continental
Continenta
Oceanic
anir
f
Answer:
Oceanic plate
Explanation:
The oceanic plate is the thinner but denser plate. At a convergent margin, this plate is known to subduct under the lighter continental plate.
Oceanic plates have an average thickness of about 6km. They are rich in ferromagnessian minerals. These minerals are much denser than those of the silicates that make up the continental plate.
Oceanic plates produce volcanic rocks especially basalts when they melt. They have a density of 3.0g/cm³ whereas continental plates have a density of 2.7g/cm³What structural components do all the viruses have in common
Answer:
they are bacteria
Explanation:
What is the diffrence between type 2 and type 1 diabietes
Answer:
People with type 1 diabetes don't produce insulin. You can think of it as not having a key. People with type 2 diabetes don't respond to insulin as well as they should and later in the disease often don't make enough insulin. You can think of this as having a broken key.
A culture of living cells is often grown in a container called a(n)
A. agar block
B. petri dish
C. graduated cylinder
D. glass slide
Answer:
Petri dish
Explanation:
It is used to culture cells
Answer:
B) Petri Dish
Please help I’ll give brainlest
Answer:
Independent: the type of humming bird food
Dependent: the amount of humming birds that come to the feeder
Explanation:
What has been created so far that
can be used in the next stage of
cellular respiration?
Answer: Cellular respiration is a set of metabolic reactions and processes that take place in the cells of organisms to convert chemical energy from oxygen molecules or nutrients into adenosine triphosphate (ATP), and then release waste products.
Explanation:
3. How do you make new cells?
Answer:
New cells are created from a process called cell division. The new cells are produced when a cell, called the mother cell, divides into new cells called daughter cells. When two daughter cells have the same number of chromosomes as the original cell, the process is called mitosis
Explanation:
What landform is created when 1 oceanic plate and 1 continental plate move apart at a Divergent Boundary?
Answer:
Divergent boundaries also form volcanic islands, which occur when the plates move apart to produce gaps that molten lava rises to fill. Current research indicates that complex convection within the Earth's mantle allows material to rise to the base of the lithosphere beneath each divergent plate boundary.
what is the tool to meausre wind direction?
Answer:
the answer is anemometers hope this helped!
How does the ratio of H to O atoms in starch compare with the ratio in double sugars?
Answer:
The answer is "2:1".
Explanation:
The formula of the Starch is = [tex](C_6H_{10}O_5)n[/tex]
The ratio of Hydrogen (H) and oxygen (O) is= 2:1.
The ratio of Hydrogen (H) and oxygen (O) in all carbohydrates (starch and sugar included) are 2:1.
What are three functions all cells perform
Answer: Energy Generation
Molecular Transport
Reproduction
Explanation:
Energy Generation-Living cells exist in a perpetually active biological state. ...
Molecular Transport - Each cell is surrounded by a membrane that delineates its boundaries and acts as a gatekeeper, controlling the movement of molecules into and out of the cell. ...
Reproduction-Living cells exist in a perpetually active biological state. All cells require energy to conduct the activities necessary to stay alive
PLEASE PUT IN YOUR OWN WORDS
a student needs to find the density of a cube. each side of the cube measures 3 cm and the mass of the cube is 12g. what is the approximate density of the cube?
A. 0.4g/cm3
B. 2.25g/cm3
C. 4.0g/cm3
D. 36g/cm3
Answer:
Density = 0.4g/cm³
Explanation:
Given
Mass = 12 g
Length = 3 cm
Required
Determine the density.
To calculate density, we need volume.
Volume of a cube is:
Volume = Length ³
Hence:
Volume = (3cm)³
Volume = 27cm³
Density = Mass/Volume
Density = 12/27
Density = 0.4g/cm³ --- Approximated
1. What characteristic of steel wool acts to speed up thus reaction?"
1 point
strength/concentration
increased surface area
increased temperature
Answer: It actually takes hydrogen hydroxide, otherwise known as H2O or water, to create rust. When steel wool is wet, the water seeps into the metal's tiny gaps.
Explanation: