Answer:
Most animals and plants consist of different types of cells organised as tissues, organs and systems. The human respiratory system is a body system adapted for efficient gas exchange.
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Explanation:
7. Observations and inferences are
important in science. How would you
explain the difference between the
two words?
Hey there! I'm happy to help!
Observations are things that can be written down or described. You can observe something with any of your five senses: you can see what color something turns, you can hear the noise something makes, you can taste a cookie with a different amount of an ingredient, you can smell an odor produced by a chemical reaction, and you can feel the texture of different samples.
You can also create observations by using scientific tools. For example, instead of feeling if water is hot or cold, you could use a thermometer. This will give you numerical data which can be put into a table or graphed for further analyzing.
Inferences are created from observation. You cannot make an inference without observation. Observations lead to inferences. Inferences are conclusions or guesses made from the observations. You could infer that sugar makes a cookie taste sweeter after experimenting with no sugar and observing that it tasted bitter. You could infer that more weight allows things to travel further after going down a ramp after measuring the distances different weights travel, graphing it, and observing the data.
Have a wonderful day and keep on learning! :D
How are meiosis and mitosis similar
Answer:
they both produce new cells
Answer:
Explanation:The biggest similarity between the two is that they both produce new cells. ... Both mitosis and meiosis begin with a single parent cell which eventually splits to form new daughter cells. They also both are preceded by interphase, a period of growth (sometimes lasting up to 90% of the cell's life) when DNA is synthesized.
State three factors that influence the movement of molecules though membrane.
Answer:
Thickness of membraneTemperature and pressure Concentration gradient6. One of the big ideas in science is that an experiment can be __________________.
1)why stomata genrally opens during day time ?
2)which parts of plant intake CO2 and give out O2 , takes in O2 and give out CO2 during day time ?
Carbon is most abundant in the and .
Which statement best represents how structure relates to function
Answer:
Butterfly cocoons are often camouflaged
Explanation:
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Amoeba sisters:video recap biomolecules
Please help I will make brain list
Answer:
light reflection
Explanation:
often seen by sunlight to windows
what are the effects of the even on each of the Earth's four spheres?
Answer:
An event can cause changes to occur in one or more of the spheres, and/or an event can be the effect of changes in one or more of Earth's four spheres. This two-way cause and effect relationship between an event and a sphere is called an interaction.
name each of the following
I will give brainliest
Answer:
See. if it helps or not. I couldn't find any other good answer
where does glycolysis take place in a cell?
I have a couple biology questions!!
25. How do the excretory systems of animals that secrete uric acid differ from those of animals that excrete urine?
34. Explain why maintaining water balance is part of the process of excreting nitrogenous wastes.
thanks!!
Answer:
25.Nitrogenous wastes in the body tend to form toxic ammonia, which must be excreted. Mammals such as humans excrete urea, while birds, reptiles, and some terrestrial invertebrates produce uric acid as waste. Uricothelic organisms tend to excrete uric acid waste in the form of a white paste or powder.
34.The excretory system removes cellular wastes and helps maintain the salt-water balance in an organism. In providing these functions, excretion contributes to the body's homeostasis, the maintenance of constancy of the internal environment. When cells break down proteins, they produce nitrogenous wastes, such as urea
7. Robert Koch is credited with the discovery of Mycobacterium tuberculosis in 1876.
A. True
b. False
Answer:
falso
Explanation:
did you find any biases or opinions in this article? explain your answer (this is science)
Answer:
Yes. The doctor said that it was difficult to tell parents that medicine is not very effective in treating coughs. So, he had a bias or an interest in finding something that would work for his patients.
como formaron los cientificos la escala de tiempo geologico?
Answer:
Para crear la escala de tiempo geológico, los geólogos correlacionaron capas de roca. Las leyes de Steno fueron utilizadas para determinar las edades relativas de las rocas. Las rocas más antiguas están abajo y rocas más jóvenes están arriba. La primera escala de tiempo geológico sólo mostraba el orden de los eventos
One strand of a DNA molecule has the base sequence GAGTTA. The complementary base sequence on the other strand of DNA will be
O CTCAAT
O CUCAAU
O UCUGGC
ОТСТААС
One strand of a DNA molecule has the base sequence GAGTTA. The complementary base sequence on the other strand of DNA will be CTCAAT
The base pairs in a DNA(Deoxyribonucleic acid) molecule consists of 4 base sequences namely:
AdenineGuanineCytosineThymineEach base has a complimentary base sequence which it binds to during DNA formation as it helps to make the nucleotides stable.
Adenine has a complimentary base of Thymine while Guanine has a complimentary base of Cytosine and vice versa.
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Scientific investigations are done by following which process?
a scientific hypothesis
b scientific method
C scientific law
d scientific theory
Answer: scientific method
Explanation:
That’s how science works
Which compound is a reactant of both cellular respiration and dehydration synthesis? (1 point)
O glucose
O oxygen
O water
O ATP
Answer:
glucose
Explanation:
I had a test with this, and it was glucose.
Glucose is a reactant of both cellular respiration and dehydration synthesis
WHAT IS CELLULAR RESPIRATION?
Cellular respiration is the process by which living organisms obtain energy from organic sources. Cellular respiration combines glucose and oxygen as reactants to form carbon dioxide (CO2), water (H2O), and energy.WHAT IS DEHYDRATION SYNTHESIS?
Dehydration synthesis is a reaction whereby two smaller molecules come together to form a larger molecule with the loss of water. An example of dehydration synthesis reaction is the formation of starch from the reaction of glucose molecules with the loss of water.Therefore, glucose is a reactant of both cellular respiration and dehydration synthesis.
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pls help with this question guys
Answer:
I'm pretty sure its C
Explanation:
the other options aren't as good as the other options.
A disadvantage of sexual reproduction in plants is
Answer:
These are some of the disadvantages of sexual reproduction: time and energy are needed to find a mate.
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A disadvantage of sexual reproduction is the fact that ADDITIONAL ENERGY is required to complete a life cycle.
Sexual reproduction can be defined as a type of reproduction that involves a complex life cycle in which germinal haploid cells called gametes combine to produce a diploid (2n) cell called the zygote.Subsequently, this zygote then divides to produce an adult organism.In plants, the most important disadvantage of sexual reproduction is that energy is required to complete a complex life cycle (i.e., zygote development).The diploid (2n) multicellular stage in the life cycle of a plant is known as the sporophyte.In conclusion, a disadvantage of sexual reproduction in plants is that ADDITIONAL ENERGY is needed to complete a complex life cycle.
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how many molecules ofco2 are produced when krebs cycle operates once
Answer:
2
Explanation:
Products and Functions of the Krebs Cycle
For one cycle, two molecules of carbon, three molecules of NADH, one molecule of FADH2 and one molecule of ATP or GTP are produced.
Em algumas células encontramos organelas denominadas cloroplastos, que são responsáveis pelo processo de fotossíntese. Essas organelas são encontradas em:
A) células bacterianas
B) células vegetais
C) células procariotas
D) células animais
Answer:B celulas vegetais
Explanation:
Os cloroplastos são organelas que ocorrem apenas nas células de vegetais e algas e são ricas em clorofila, um pigmento de coloração verde. Elas estão relacionadas com o processo de fotossíntese e, nas plantas, são encontradas principalmente nas folhas.
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Process A → Decaying / Decomposition
Process B → Nitrification
The root nodules are important in the nitrogen cycle as they help in intaking of nitrogen and other minerals like phosphorous, potassium, sodium etc. from the soil.
Hope it helps you
explain the location , structure and function of kidney in human beings
[tex] \huge \mathrm{Answer}[/tex]
Kidney :
Location :
kidney is present in the back of our abdomen, on each side of our vertebral column.
Structure :
It has a bean shaped structure consisting of three main sections Outer renal cortex, Inner renal medulla and Renal pelvis.
( It is composed of cells known as Nephron )
Function :
The main function of kidney is to remove waste products and excess water from our body, thus maintaining overall fluid balance. and it also regulates and filters minerals from blood.
I hope it helped...
if the refractive index of diamond is 2.42 Find it's critical angle
Answer:
Critical angle is 24.4°
Explanation:
[tex]n \sin(c) = 1[/tex]
n is refractive index
c is critical angle
[tex]{ \sf{2.42 \times \sin(c) = 1}} \\ { \sf{ \sin(c) = \frac{1}{2.42} }} \\ \\ { \sf{ \sin(c) = 0.4132}} \\ { \sf{c = \sin {}^{ - 1} (0.4132) }} \\ { \sf{c = 24.4 \degree}}[/tex]
how many bones are there in donkey
Answer:
205 bones
Explanation:
Donkeys and horses share the same skeletal system. Donkey’s bones are slow to mature in diameter and length.
which prefix is correctly defined
A. mer- one
B. poly - many
C. mono - large
Answer:
The answer is letter B
Explanation:
Learned about this in class so i know that mono means one and poly means many
Answer:
B. poly - many
Explanation:
Poly means more than one in examples:
polygamy - the practice or custom of having more than one wife or husband at the same time.
polyamine - an organic compound having more than two amino groups
polyaxon - a nerve having several axons
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Why is Venus the hottest solar system planet?(1 point)
It has abundance of nitrogen and oxygen gases.
It is closest to the sun.
Its atmosphere is rich in carbon dioxide gas.
It has a core, a mantle, and a crust.
Answer:
I think that it is closest to the sun.
Explanation:
it is the second closest planet to the sun.
Venus the hottest solar system planet because it is closest to the sun. Thus, option B is correct.
What is solar system?
The solar system is defined as a system which is gravitationally bound of the sun and orbit is occupied by object. The formation of solar system takes place 4.6 billion years ago and this happens due to gravitational collapse of a giant molecular cloud. The most and wast majority of the systems mass in the sun and other part of mass contained by the planet jupiter.
The solar system contain total 8 planet in which 146 moon, asteroid and space rocks, a number of dwarf planet such as pluto. The most and vast majority of the systems mass in the sun and other part of mass contained by the planet jupiter. Italian astronomer Galileo Galilei discovers solar system. The solar system is defined as a system which is gravitationaly bound of the sun and orbit is occupied by object.
Therefore,Venus the hottest solar system planet because it is closest to the sun. Thus, option B is correct.
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Fill in a Punnett Square for a heterozygous male parent and a heterozygous female parent. Male - X Female - Ee X Ee