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human blood protein are most similar to chimpanzee among all apesOnly plants and some algae have chlorophyll so they are most closely relatedExplanation:
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3 característica sostenibilidad energética
im hispanic but put it in english and then i could help you for sure i promise ill edit my answer and everything solo pongalo en ingles por favor
Three potted plants were kept in a dark cupboard for two days before being used for an experiment. Each plant was then put under a bell jar under different conditions for six hours . Bell jar D contains a potted plant with a small cup of sodium hydroxide solution with light pointed towards it Bell jar E contains a potted plant with light pointed towards it Bell jar F contains a potted plant with aluminium foil on top of the bell jar with light pointed towards it a)explain why their was no starch in the leaves at the end of the two days in the cupboard b)what is the purpose of sodium hydroxide put under bell jar in D?
Answer:
a. There were starch in the leaves at the end of two days in the cupboard because there was no sunlight to provide the energy for photosynthesis in the dark cupboard. Also, any previously synthesized starch in the plant leaves were used by the plant for its own metabolic requirements during the period the plant was in the cupboard. Therefore, staying in the cupboard for two days destarched the leaves.
b. The purpose of sodium hydroxide put under bell jar in D is to remove any carbon dioxide that may be present under the bell jar. This is to demonstrate that even in the presence of sunlight, carbon dioxide is required for photosynthesis to occur in plants.
Explanation:
Photosythesis is the process by which green plants manufacture their food (carbohydrates which are stored as starch) in the presence of sunlight. The site of photosynthesis in plants is the leaves.
The experimental design is to study the conditions necessary for photosynthesis to occur. For photosynthesis to occur, there must be presence of sunlight, carbon dioxide and water. Carbon dioxide and water serve as the raw materials for photosynthesis while the energy required is provided by sunlight.
The answers to the observations from the experiment are given below :
a. There were starch in the leaves at the end of two days in the cupboard because there was no sunlight to provide the energy for photosynthesis in the dark cupboard. Also, any previously synthesized starch in the plant leaves were used by the plant for its own metabolic requirements during the period the plant was in the cupboard. Therefore, staying in the cupboard for two days destarched the leaves.
b. The purpose of sodium hydroxide put under bell jar in D is to remove any carbon dioxide that may be present under the bell jar. This is to demonstrate that even in the presence of sunlight, carbon dioxide is required for photosynthesis to occur in plants.
PLEASE HELP I WILL GIVE BRAINALIST
Answer:
A. identical
Explanation:
because it is replicating meaning it is going to look the same and be identical.
When did people first know about archaebacteria?
A. 1999
B. 1988
C. 1977
D. 1966
Answer:
1977 is when people first knew about archaebacteria
Answer:
it was actually discovered in 1922
they didnt know what it actually was until 1977.
C.1977
Explanation:
What is cell wall???
Answer:
You can simply define the cell wall as a semi-rigid thick protective structure that surrounds the cell membrane of some types of cells for protection and defining the shape of the cell. The cell membrane alone cannot provide the required rigidity or strength. All living organisms are composed of cells.
What does archaebacteria mean?
A. Ancient bacteria
B. Ancient Protist
C. New bacteria
Answer:
A. Ancient bacteria
Explanation:
From the salt of the earth, researchers have isolated and revived a Bacillus strain, which they believe is >250 million years old. If correct, Russell Vreeland and his colleagues from West Chester University, Pennsylvania, have discovered the oldest living organism in the world.
Answer:
A. Ancient bacteria
Explanation:
Archae bacteria means ancient bacteria. So, option (A) is the correct answer.
58. Which of the following Kingdoms contain multicellular organisms? *
Answer:
The answer is fungi.
Question 5 of 5
Which thermoregulation strategy helped the hummingbird decrease its body
temperature?
A. Resting in the shade
B. Flying
C. Basking in the sun
D. Eating
Answer: A
Explanation:
Answer:
A, Resting in the shade
Explanation:
100% Correct, A p e x
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why is it difficult to farm in tilted/inclined landscapes?
Answer:
Farming can lead to the loss of natural habitats.This is destroying natural habitats and changing the very nature and look of our rural landscape.
hope it helps
It is difficult to farm in an incline landscape because initial cost is high, high operational cost, Limited crops can be grown. Thus, due to these following reason, inclined farming becomes difficult.
What is vertical farming?Vertical farming is a practice of growing crops on a hilly or incline land.
However, it may have some disadvantages like high operational cost, high labor cost, only a limited number of crops can be grown.
Hence, due to these reason, tilted farming is difficult.
Learn more about vertical farming
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what is the mosquito average life's span
Quade is studying for an exam, which will cover neurons and action potentials. He has drawn a diagram that shows the segments of an axon, and he has noted that every time a segment fires, the _____ flood in from the outside of the cell, while the prior segment returns to its resting potential. Please choose the correct answer from the following choices, and then select the submit answer button.
Answer: positive sodium ions
Explanation:
This relates to the Action Potential which is what a nerve cell goes through when it needs to send information down the nerve cell to another cell and so on till it gets to the destination of the message.
The information is transmitted when the segments of the axon fire and when they do, positive sodium ions come in from outside the cell to the inside thereby making the inside positive. The previous segment would return to a resting potential when potassium ions which are negative, rush into the cell.
3
Which of the following is a phenotype for an apple tree. W no
(1 Point)
АА
Аа
Red apples
аа
if the sun is a source of EM radiation , how come only some of the EM strikes the surface of the earth
Answer:
Some EM radiation is absorbed by the atmosphere
Explanation:
Which process produces genetically different cells?
A. Mitosis
B. Meiosis
Answer:
B. Meiosis
Explanation:
The meiosis produces genetically different cells.
two examples of heat energy
Answer:
sun and electric heater
Explanation:
sun is the biggest source of heat energy
electric heater is also an example of heat energy as it warms us
1. A cup of fresh coffee is very hot because the water particles are vibrating very rapidly giving the coffee heat energy.
2. A fire is a chemical reaction that is releasing energy as bonds are being broken, this energy is felt as warm or hot and is a release of heat energy.
Which process involves TWO DNA divisions?
A. Mitosis
B. Meiosis
Answer:
b) meiosis
Explanation:
Answer:
B. Meiosis
Explanation:
Meiosis involves two DNA divisions.
which will increase the rate of a chemical reaction ?
adding a catalyst
decreasing the pressure
decreasing the tempertaure
removing a catalyst
Answer:
adding a catalyst will increase the rate of a chemical reaction
why do cells divide even after an organism reaches adulthood?
Answer:
The answer is most definitely the second option or "B". This is because, how you think you grow fingernails, or skin over a wound.
The answer is 2nd option ,full grown organisms need to replace aging and damaged cells
Los animales toman del medio los materiales necesarios para sus actividades vitales. Estas funciones la realizan: A. El aparato circulatorio. B. El aparato circulatorio, digestivo y respiratorio. C. El aparato respiratorio. D. El aparato respiratorio y circulatorio.
Answer:
C. El sistema respiratorio.
Explicación:
El sistema respiratorio es un tipo de sistema en el que los animales toman del medio ambiente los materiales necesarios para sus actividades vitales. Los pulmones son el órgano principal del sistema respiratorio en el que el gas de oxígeno entra al cuerpo y se almacena en los pulmones a través de la inhalación. La hemoglobina que extrae el gas de dióxido de carbono de la célula lo desecha en los pulmones y carga el oxígeno necesario para el proceso de respiración. El dióxido de carbono se elimina de los pulmones mediante la exhalación.
What makes Protists different from the Bacteria kingdoms?
A. They are easier to find.
B. Their cells have a nucleus.
C. They are bigger.
Answer:
B. Their cells have a nucleus.
Explanation:
Protists are eukaryotes, which means their cells have a nucleus and other membrane-bound organelles. Most, but not all, protists are single-celled.
Answer:
The answer is B their cells have a nucleus
Explanation:
I took this question on an assignment got it correct!
During which two months do both the Northern and Southern Hemispheres receive the same amount of energy
rom the Sun?
The graph below shows the amount of CO2 (carbon dioxide) in the atmosphere throughout Earth’s history.
Which of the following claims is supported by the evidence in this graph?
A
The amount of CO2 in the atmosphere is currently decreasing at an extremely fast rate.
B
High amounts of CO2 in the atmosphere correspond to cold periods in Earth’s history, called ice ages.
C
The amount of CO2 in the atmosphere in 2018 was significantly higher than any other time in the past 800,000 years.
D
The amount of CO2 in the atmosphere from 1800 to 2018 increased at a slower rate than at any other point in the past 800,000 years.
Explanation:
is there a graph to be shown
Which of the following is a FALSE statement about fungi?
A. Fungi may be multicellular or unicellular
B. Fungi are heterotrophs
C. Fungi have a cell wall made of chitin
D. Fungi are autotrophs
Answer:
D. Fungi are autotrophs
Explanation:
Fungi are autotrophs is a FALSE statement about fungi. Fungi are heterotrophs.
Which of the following did you include in your answer?
how do autotrophs get nutrition
Answer: Most autotrophs use a process called photosynthesis to make their food. In photosynthesis, autotrophs use energy from the sun to convert water from the soil and carbon dioxide from the air into a nutrient called glucose.
Explanation:
Answer:
Most autotrophs use a process called photosynthesis to make their food. In photosynthesis, autotrophs use energy from the sun to convert water from the soil and carbon dioxide from the air into a nutrient called glucose. Glucose is a type of sugar. The glucose gives plants energy.
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There are three complete tissue layers. b. Flatworms may be either free living or parasitic. c. Flatworms have a sac body plan, with only a mouth and no anus. d. Parasitic flatworms have a well-developed head with eyespots and nerves concentrated into a brain. e. Most planaria are found in marine environments, but some dwell in freshwater and moist terrestrial environments.
Complete question:
Which of the following statements is NOT correct about the flatworms?
A. There are three complete tissue layers.
B. Flatworms may be either free-living or parasitic.
C. Flatworms have a sac body plan, with only a mouth and no anus.
D. Parasitic flatworms have a well-developed head with eyespots and nerves concentrated into a brain.
E. Most planaria are found in marine environments, but some dwell in freshwater and moist terrestrial environments.
Answer:
D. Parasitic flatworms have a well-developed head with eyespots and nerves concentrated into a brain.
Explanation:
Flatworms are inferior organisms, meaning that they do not have nerves concentrated in a brain. Their nervous system is, in general, composed of nerve cords forming a net. The arrangement depends on each of the groups. They have one or more pairs of primitive eyes, which function is to find the light. These eyes cup-shaped and are composed of pigmentary cells.
Flatworms have bilateral symmetry. Their body is plane dorsoventrally and can be divided into two specular halves by the sagittal plane. This plane crosses through the body from the anterior extreme to the posterior extreme. The frontal plane divides the body into two different halves, the ventral one with the mouth and the dorsal one.
These organisms only have one opening in their bodies directed to the digestive system, which is the mouth.
Flatworms are aquatic and, most of them are marine animals, although there can be a few groups that inhabit freshwater. Some species might even be terrestrial. Most of them are free-living organisms, but there are also some parasitic forms.
The template strand for a new DNA molecule reads 5' CCTGAATT 3'. What will be the nitrogen base sequence for the complementary strand created during DNA replication?
Answer:
3' GGACTTAA 5'
Explanation:
because Adenine always pair with Thymine and Cytosine with guanine. u can also remember them as Apple Tree and Car Garage
what is the answer pleaseeeee?????
Answer:
75% brown 25 % green....m
Identify one additional factor besides the plant seedlings and containers that should be held constant in this experiment.
Answer:
83hrhiddtifrd of r
Explanation:
hsejrndbhsuia b rb
Can someone help with this?
Answer:
a primary oocyte contains 46 chromosomes, while a secundary oocyte contains 23 chromosomes