Answer:
J.J. Thomson
Explanation:
He was the first one to discover the electron
Answer:
Thomson
Experiments with beams of negative particles were performed in Britain by Joseph John ("J.J.") Thomson, and led to his conclusion in 1897 that they consisted of lightweight particles with a negative electric charge, nowadays known as electrons. Thomson was awarded the 1906 Nobel Prize
True or False:
Cold fronts often bring stormy weather.
Answer:
true, Since the other person said false here's Evidence:
Many fronts cause weather events such as rain, thunderstorms, gusty winds, and tornadoes. At a cold front, there may be dramatic thunderstorms. At a warm front, there may be low stratus clouds. Usually, the skies clear once the front has passed.
i need help asap!! I will reward brainliest!
When focusing a specimen it neccessary to focus on the lowest magnification first before switching to higher magnification. why do you think this is important?
Explanation:
the lower power will focus betterthan the high magnification
Examine the images.
Which of the following statements best explains why the cube in Image B is under more pressure than the cube in Image A?
A.) The density of the fluid in Image B is greater than that of Image A.
B.) The volume of the cube in Image B is greater than that of Image A.
C.) The volume of fluid in Image B is greater than that of Image A.
D.) The mass of the cube in Image B is greater than that of Image A.
The answer is C.) The volume of fluid in Image B is greater than that of Image A.
2 examples of density. plz
include iron, lead, or platinum.
Not sure what the answer is.
Answer:
A. Long term is the answer of your question
What is the volume of a cube with a length of 3cm an a height of 4cm an a width of 10cm
Answer:
120 cm
Explanation:
volume is length x width x height so 3 x 4 is 12 and 12 x 10 is 120cm
Answer:
120 cm^3
Explanation:
V= width x length x height
3 x 4 x 10 = 120
and when you multiply centimeters,
cm x cm = cm^2
cm x cm x cm = cm^3
Hope this helps :)
If a hurricane was to hit Jacksonville during which Moon phase would
we most likely experience the most damage? Describe the factors that
are involved in order to develop an answer.
Answer:
I think so
Explanation:
waxing crescent
How did the development of a waxy cuticle help plants adapt to life on land?
O A. The cuticle minimized water loss from leaves.
B. The cuticle absorbed nutrients from the soil.
C. The cuticle increased photosynthesis.
O D. The cuticle protected reproductive structures.
SUBMIT
Answer:
a
Explanation:
The cuticle in the plants minimizes the water loss or transpiration from leaves. The correct option is A.
What is transpiration?Transpiration is the process by which water vapor is lost via the stomata of plants. When the weather is very hot, the plant's loss of water vapor cools it down, and moisture from the stem and roots moves upwards or is 'pulled' into the leaves.
The evaporation of extra water from stomata in plant leaves is known as transpiration. It is necessary for some upward movement of water in plants. It aids in the regulation of plant temperature.
To transpire, water vapor must diffuse through this motionless layer from the stomata to the atmosphere, where it will be removed by moving air. The cuticle present in the waxy leaves prevent excess transpiration.
Thus, the correct option is A.
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molecules in cell membranes are _____ and changing
Answer:
allways
Explanation:
i'm pretty sure that's right
Please help me out
Match these examples
Tissue
Organ
Organ system
With these examples
Bone Marrow
Bones
Skeletal system
human body
Answer:
organ system -skeletal system,bone marrow is a tissue while bones are organ
What is the process of glycolysis
Answer:
breaking down glucose into two molecules of pyruvate, producing ATP.
Explanation:
which statement below correctly describes the process of glycolysis?
A. Glucose is broken down into two pyruvate molecules
B. Oxygen and glucose are broken down
C. Two pyruvate molecules are brown down into glucose
D. Glucose is broken down into ATP
Answer:
A)glucose is broken down into two pyruvate molecules
The statement below correctly describes the process of glycolysis, glucose is broken down into two pyruvate molecules. The correct option is A.
What is glycolysis?Glycolysis is the process in which glucose is broken down to produce two molecules of pyruvic acid, which also releases energy. This process can be carried out without the help of oxygen, thus an anaerobic reaction. This process is carried out in the cytoplasm.
For the cell to use as energy, glycolysis results in a net gain of two pyruvate molecules, two ATP molecules, and two NADH molecules. Following the conversion of glucose to pyruvate, the Krebs Cycle is connected to the glycolysis pathway, where additional ATP will be produced to meet the energy requirements of the cell.
Therefore, the correct option is A.
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case studies assignment grade 11
The measure of the mass of an atom is called ________.
Question 1 options:
isotope
proton
energy
atomic mass
Answer:
D
Explanation:
2 The main parts of a working clothes dryer are shown in the diagram below.
Drum
Heating duct
and element
Motor
Answer:
...
Explanation:i dont understand whats the question???
PLZZZZZ HELP WILLL GIVE BRAINLYISTTTTTN IM PEEING WHITE WHAT DO I DO ITS WHITE AND CREAMYYYYY
Answer:
just switch ur sexuality
Explanation:
u wont be attracted to whatever is making u bust
Answer:
have been drinking lots of water?
Explanation:
thats prob why
Complete the Concept Map to compare the locations and remodeling functions of osteoblasts and osteoclasts, and explain how hormones and physical stress regulate bone remodeling.
Answer:
The correct answer is attached as an image.
Explanation:
Bone remodeling occurs by the remodeling units osteoblast which is bone deposition and osteoclast which is Bone resorption.
Bone deposition is the process that involves the deposition of minerals in bone tissues which takes place due to the process of osteoblast mainly. the bone deposition is possible in three ways when
- there is an increase in blood calcium.
- there is an increase in mechanical stress.
- decrease in parathyroid hormone
Osteoclast cause the degrade of bone tissue by releasing calcium ion from bone tissue which required opposite conditions than osteoblast that are -
- there is a decrease in blood calcium.
- there is a decrease in mechanical stress.
- increase in parathyroid hormone
A decrease in blood Ca++ concentration causes the parathyroid gland to release PTH, PTH results in osteoclasts to degrade bone tissue which releases Ca++ into the blood. A high level of Ca++, calcitonin results in calcium deposition into the bone.
5
LittleJJBarea
10/27/2020
Biology
High School
answered
Complete the Concept Map to compare the locations and remodeling functions of osteoblasts and osteoclasts, and explain how hormones and physical stress regulate bone remodeling.
Bone remodeling involves osteoblasts which is enhances bone deposition and osteoclasts which enhance bone resorption.
What is bone remodelling?Bone remodeling involves the processes by which the bone tissue is remodelled by the action of the osteoblasts which is enhances bone deposition and osteoclasts which enhance bone resorption.
Bone deposition is the process by which bone tissues ate mineralized by means of the osteoblast.
Bone deposition occurs through three possible ways:
increase in blood calcium.increase in mechanical stress, and decrease in parathyroid hormoneOsteoclast are involved in the degradation of bone tissue producing opposing effects to that of the osteoblast as follows:
decrease in blood calcium.decrease in mechanical stress, andincrease in parathyroid hormoneThe parathyroid gland releases PTH in response to low bllod calcium.
PTH induces osteoclasts to degrade bone tissue which releases calcium ions into the blood.
The increase in blood level of calcium ions induces calcitonin to increase calcium deposition in the bones.
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Why do you think Flourine is able to pull the electron away from Lithium?
Answer:
Because of its high electronegativity.
Explanation:
Fluorine has ability to pull the electron from the lithium because of its high electronegativity.
We know that as we move from left to right in periodic table the number of valance electrons in an atom increase. The atomic size tend to decrease in same period of periodic table because the electrons are added with in the same shell. When the electron are added, at the same time protons are also added in the nucleus. The positive charge is going to increase and this charge is greater in effect than the charge of electrons. This effect lead to the greater nuclear attraction. The electrons are pull towards the nucleus and valance shell get closer to the nucleus. As a result of this greater nuclear attraction atomic radius decreases and electronegativity increases. AS lithium is present on left side of period 2 and fluorine is present on right side of same period. Fluorine is more electronegative while lithium is more electropositive thus fluorine pull the electron from lithium when they combine and form anion while lithium loses its valence electrons and form cation.
Which correctly lists three greenhouse gases?
oxygen, carbon dioxide, helium
carbon dioxide, nitrous oxide, methane
helium, methane, oxygen
methane, oxygen, carbon dioxide
Answer:
carbon, dioxide, nitrogen oxide, methane
Explanation:
fz f..
The correct list of greenhouse gases is: carbon dioxide, nitrous oxide, methane.
GREENHOUSE GASES:Greenhouse gases are gases capable of trapping heat in their bonds and releasing it into the atmosphere.
Greenhouse gases are the major cause of global warming, which is the increase in the average temperature of the atmosphere.
Greenhouse gases include the following: carbon dioxide (CO2), methane (CH4), nitrous oxide (NO2), sulfur dioxide (SO2) etc.
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easy apes question help pls
Answer:community 3
Explanation:
Which structure is found in all eukaryotic cells?
A-large central vacuole
B-cilia
C-flagella
D-Golgi apparatus
Please help!!!
Answer:
I think it is D - Golgi apparatus
Answer:
Which structure is found in all eukaryotic cells?
A-large central vacuole
B-cilia
C-flagella
D-Golgi apparatus ✓
also more that found in all eukaryotic cells:-
cell membranecytoplasmNucleusmitochondriaEndoplasmic ReticulumGolgi apparatusribosomecytoskeletonneed further explanation ? don't hesitate to ask
Hope this helps
17. How do we get macromolecules and what do we use them for?
A.food we eat / energy only
B.air we breathe / new cells and energy
C.air we breathe / energy only
D.food we eat / new cells and energy
Answer:
D. food we eat / new cells and energy.
Answer:
b
Explanation:
googled it ;)
what are the similarities and differences between facilitated diffusion and active transport by a protein pump
The similarities between facilitated diffusion and active transport by a protein pump are firstly facilitated diffusion and active transport are two membrane transport mechanisms, which transport molecules across the plasma membrane, secondly transmembrane proteins are involved in both facilitated diffusion and active transport.
The differences between them are facilitated diffusion takes place down the gradient of concentration. active transport takes place toward the gradient of concentration. Facilitated diffusion is a passive method and needs no energy. An active method is an active transport.
What do you understand by facilitated diffusion?
"Facilitated diffusion is the passive movement of molecules along the concentration gradient. It is a selective process."
What do you understand by active transport?
"Active Transport is defined as a process that involves the movement of molecules from a region of lower concentration to a region of higher concentration against a gradient or an obstacle with the use of external energy."
What is a protein pump?
"Protein pump– a kind of protein that is capable of pumping out compounds that could pose a threat to the cell."
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Humans breathe through bronchi.
Which structure do insects have for breathing?
tracheae
O lungs
O skin
O gills
Pls help
Answer:
tracheae
instead of lungs, insects breathe with a network of tiny tubes called tracheae
tracheae
they breathe through openings in their body called spiracles
What happens to the water cycle when the temperature increases?
Answer:
climate change
Explanation:
because as air temperatures change more water evaporates into the air
What is the function of the cell wall?
Site of ribosome production
Site of protein production
Supports and protects plant cells
Site of ATP production
PLS I NEED THIS ASAP
Which would result a farmer in producing more food at a lower cost?
planting wheat that is resistant to weed killer
breeding pear trees that grow sweeter fruits
growing rice that only grows in warm climates
producing vegetable oil that has added vitamin A
Answer:
A.
Explanation:
sorry this is late.. proof below btw ;c
Answer:
A
Explanation:
i did the quiz
Who am I? I have a tail. I eat other animals. I have no hair on my body.
Answer:
A snake?
Explanation:
Answer:
A Lizard?
Explanation:
It has a tail, has no hair on the body and eats other animals.
all cells have a Nucleus that acts as a command center for the cell true or false
What does a food chain show the flow of between living things?
water
carbondioxide
oxygen
energy
Answer:
energy
Explanation:
cuz i did science