Check Your Understanding
1. Which of these abiotic factors would contribute
to a clumped dispersion pattern in an ecosystem?
Select all correct answers.
a. unlimited water
b. limited water
c. high temperatures
d.moderate temperatures
e. ample rainfall
f. limited rainfall
Answer
[] B
[]C
[]F
Name 2 differences between plant and animal cells.
A plant cell contains a large, singular vacuole that is used for storage and maintaining the shape of the cell. In contrast, animal cells have many, smaller vacuoles. Plant cells have a cell wall, as well as a cell membrane. Animal cells simply have a cell membrane, but no cell wall.
Answer:
A difference between plant cells and animal cells is that most animal cells are round whereas most plant cells are rectangular
Plant cells have a rigid cell wall that surrounds the cell membrane
Which forms of energy are used when air is warming in the sunlight? Select all that apply.
Select one or more:
a. Light
O b. Electrical
c. Thermal
O d. Mechanical
Answer:
A and C
Explanation:
The sun itself is light energy and the heat that you feel from the sun is thermal energy.
Light and Thermal energy is used when air is warming in the sunlight.
Energy is emitted by the sun some of which is radiated back and some enter the earth.Solar energy is created by nuclear fusion that takes place in the sun.What is energy?The capacity or power to do work, such as the capacity to move an object of a given mass by the application of force. Energy can exist in a variety of forms, such as electrical, mechanical, chemical, thermal, or nuclear, and can be transformed from one form to another. Energy is a conserved quantity.The law of conservation of energy states that energy can neither be created nor destroyed only converted from one form of energy to another.Hence, A and C option are correct.
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in passive transport molecules move from _____ concentration to______ concentration
help please .. fill in blanks question
Answer:
High to low concentration
Explanation:
Hellllllllllppppp pleasse!!!!!!!
Answer:
Im not sure but I think its a
Explanation:
I learned it in class
Answer: B
As stating the liquid properties of matter, a liquid is a nearly incompressible fluid that conforms to the shape of its container but retains a constant volume independent of pressure. It is one of the four fundamental states of matter (the others being solid, gas, and plasma), and is the only state with a definite volume but no fixed shape.
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Just answer 6 and 7 please I just answer what u can
Answer:
They are not verbal-- something less in the impostance of getres tey more than it.
Explanation:
An essay is, generally, a piece of writing that gives the author's own argument — but the definition is vague, overlapping with those of a paper, an article, a pamphlet, and a short story. Essays have traditionally been sub-classified as formal and informal
Answer:
someone answered right when i was about to answer wow
Explanation:
Select the correct answer.
George owns a pet dog. One day, he notices that the dog has become very aggressive, and bites anyone who comes close. Which parameter of
health is most likely the cause of the dog's behavior?
OA general
OB.
historical
Oc. physical
OD. Psychological
Answer:
psychological..............
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
you don’t need to answer 11 because i need to watch a video for it. but plssss
20 points:)
Answer: 7. Adenosine triphosphate 10. Endocytosis is the cellular process in which substances are brought into the cell.
Explanation: Sorry, I could only answer 7 and 10. I’m more of a person who answers straight-forward questions. I don’t really like fill in the blanks.
Otis watches a cooking show on making mayonnaise. The chef dissolves salt and sugar in vinegar. She mixes in an egg yolk, and then mixes in oil until the ingredients are completely blended together. The chef says that it’s great on sandwiches and that it can be stored without separating.
Which best describes the purpose of the egg yolk in the recipe?
It allows the oil to change from liquid to a gas in order to form bubbles.
It acts to hold the vinegar and oil together in a colloid.
It helps the vinegar be able to form a solution with the salt and sugar.
It mixes with both the vinegar and oil to form a suspension.
Answer:B
Explanation:
It keeps the mayonnaise together I think
Answer:
b. it acts to hold the vinegar and oil together in a colloid
Explanation:
i hope this helps!!
What will happen if ATP and NADPH are already used up at night?
Answer:
If ATP and NADPH are already used up at night , the production of glucose will stop.
Explanation:
IMPORTANCE OF ATP AND NADPH -: To temporarily store energy, the light-dependent reactions generate ATP and either NADPH or NADH. In light-independent reactions, these energy carriers are used to drive the energetically unfavorable mechanism of "fixing" organically inorganic CO2.
ATP is the molecular energy "currency" in biological systems. All energy produced by living organisms' cellular respiration must end up being used as ATP to power it. NADPH is a hydrogen carrier molecule reduced by NADP (Nicotinamide Adenine Dinucleotide Phosphate). While the light-dependent reactions take place, energized electrons hop on to electron carriers excited by photon energy from the sun (On Photosystem 2) and finally get to Photosystem one.
If ATP and NADPH are already used up at night, the fixation of carbon dioxide into glucose will halt. In other words, the light-independent reaction of photosynthesis will stop.
There are essentially 2 reactions in photosynthesis:
light-dependent reactionlight-independent reactionIn the light-dependent reaction, radiant energy is used to excite electrons chlorophyll molecules while electrons in water replace the excited electrons. ATP and NADPH are generated in the process.
The ATP and NADPH produced during the light-dependent reaction of photosynthesis are essential for the reduction of carbon dioxide into glucose in the light-independent reaction.
Hence, unless the light-dependent reaction takes place to make ATP and NADPH available, there is no other way to produce the precursors for the fixation of carbon dioxide into glucose.
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why must blood glucose levels be carefully controlled?
Answer:
Blood glucose is a sugar that the bloodstream carries to all cells in the body to supply energy. A person needs to keep blood sugar levels within a safe range to reduce the risk of diabetes and heart disease. Blood glucose monitoring measures the amount of sugar that the blood is transporting during a single instant.
Explanation:
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What is the mRNA transcript for this gene? CTTCGGATC
Answer:
GAAGCCTAG
Explanation:
A in Bio last year
2. Which two biomes are known asthe dry biomes?
tundra and forest
desert and tundra
desert and grassland
Answer:
The desert and tundra biomes have very different temperatures as well as extremely different plants and animals. The desert can get very hot during the day, but cool off quickly at night. It has sandy soil and supports very little plant life. Animals found in the desert include lizards, javelinas, Gila monsters, coyotes, bobcats, scorpions, and kangaroo rats. The tundra is cold, dry, and often dark. The average temperature is about 10°F. The soil below the surface is permanently frozen, and is called permafrost. A few types of plants grow during the short summer season. Animals found in the tundra include caribou, foxes, wolves, and Arctic hares.
Explanation:
Hydras are animals related to coral and jellyfish. Hydras can reproduce sexually or asexually. Why would hydras avoid reproducing asexually when conditions are difficult?
1. The high genetic diversity could mean that all of the hydras die, depending on the situation.
2. The lack of genetic diversity could mean that all of the hydras die, depending on the situation.
3. Reproducing more slowly would be a good way to take advantage of plentiful resources.
4. Reproducing more rapidly would be a good way to take advantage of plentiful resources.
Answer: 3. Reproducing more slowly would be a good way to take advantage of plentiful resources.
Explanation:
Hydra reproduce by both sexual and asexual modes of reproduction. In the case of asexual reproduction the bud develops on the parent body and derives nutrition from parent body, matures and finally get detached from the parent body. During asexual reproduction many buds will develop and live as an individual organism this will reduce the availability of resources like habitat, food, and others. Thus if the organism reproduces slowly then it will take advantages of many resources without experiencing the scarcity of resources.
Which process is the opposite of inbreeding?
pollination
hybridization
seed production
genetic engineering
9
Answer:
B
Explanation:
Hybridization
Answer:
B
Explanation:
Mitosis and meiosis are processes involved in cellular reproduction. Which of the following describes an event that results from mitosis but NOT meiosis?
A) replication of genetic cellular material
B) four daughter cells that are different from each parent cell
C) daughter cells that are identical to the parent cell
D) two stages of cell division
Answer:
C. Daughter cells that are identical to the parent.
Explanation:
According to the question, Mitosis and meiosis are processes involved in cellular reproduction is two stages of cell division.
What is difference between mitosis and meiosis?Mitosis involves the division of body cells, while meiosis involves the division of germ cells. The division of a cell occurs once in mitosis but twice in meiosis.
Thus, option "D" is correct.
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1.) Which of the following is NOT an example of a
producer?
45°: rose bush 135° grasshopper
270°: apple tree 180°: wheat
Answer:
A grasshopper is not a producer.
Explanation:
A grasshopper eats plants; therefore it is a consumer, also known as a heterotroph.
what is the hypothesis and the experimental group
Answer:
where is the picture or what is it talking about?
what is the first thing that happens when a new cell is produced?
Answer:
the new cell splits into two cells called daughter cells
Suggest how a cell may vary the rate of an enzyme controlled reaction:
nt
Answer:
A cell may vary the rate of an enzyme controlled reaction by making more/less or degrading more/less.
Explanation:
A cell may vary the rate of an enzyme controlled reaction by making more/less or degrading more/less. Several factors affect the rate at which enzymatic reactions proceed include post translational modifications, substrate concentration, cofactors, temperature, pH, locations. The shape and structure of the enzyme will change as the pH value of the reaction medium changes.
A cell may vary the rate of an enzyme controlled reaction by:
Degrading with timeAccording to the given question, we can see that we need to show how a cell can vary the rate of a reaction which is controlled by an enzyme.
As a result of this, we can see that there are different ways through which a cell may control the rate of reaction in an enzyme controlled state which are by the level of degradation with time.
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Please need help as soon as possible thank you so much
How dose domestication relate to artificial selection?
Answer:
Artificial selection and domestication is where humans take matters into their own hands. And instead of waiting for nature to do things, they are the selection factor. ... And when you have that type of artificial selection, the change can happen much, much faster. Breeding is essentially artificial selection.
Explanation:
Artificial selection and domestication is where humans take matters into their own hands. And instead of waiting for nature to do things, they are the selection factor. ... And when you have that type of artificial selection, the change can happen much, much faster. Breeding is essentially artificial selection.
The conversion of energy involve many chemical reactions taking place within an organism or the environment. What is the term for the energy needed to begin one of these reactions?
A. reaction energy
B. Activation Energy
C. Absorption Energy
D. Conversion Energy
I think is a because that's is the right answer
Answer:
It is b i got it right
Explanation:
6
Cameron reads in his textbook that animal cells are composed of 90 percent water and 10
percent protein, carbohydrate, nucleic acid, lipid, and other molecules. He learns that
homeostasis is the process by which this composition is maintained. How does an organelle
in an animal cell control the content of water and other material in the cell?
F The cell wall splits apart to allow water and materials to enter the cell and waste
products to leave the cell.
G The cell membrane is selectively permeable, which controls the movement of materials
in and out of the cell by passive and active transport.
H Vacuoles in the cell open and draw in only the materials needed from outside the cell.
J
Lysosomes move out of the cell to capture and bring back needed materials.
7
Models of the human immunodeficiency virus (HIV) and an animal cell are shown below.
Answer:
The cell membrane is selectively permeable, which controls the movement of materials in and out of the cell by passive and active transport.
Explanation:
According to this question, animal cells are made up of the following contents: 90% water and 10% protein, carbohydrates, nucleic acid, lipids and other molecules. The cell regulates this internal composition in a stable way via a process called HOMEOSTASIS.
The animal cell is able to regulate or maintain a stable internal composition by the possession of a selective permeable membrane called CELL MEMBRANE. The cell membrane is semi-permeable in the sense that it allows the entry of some molecules into and out of the cell and blocks others.
Some molecules are allowed by the cell membrane without the need for energy input in a transport called PASSIVE TRANSPORT while some requires energy input in a transport called ACTIVE TRANSPORT.
Apples, pears and plums grow on
Answer:
Apples, pears and plums grow on trees.
Explanation:
Answer:
In cold season in Kashmir
please answer this for me (9)
Answer:
A.
Explanation:
All living things (whether a plant or an animal) will have cells
Answer:
A, All living things
Explanation:
Animals, plants, bacteria, fungi, etc. are compossed of cells: the most basic and smallest unit of life.
Place the phases of a stem cell into the correct order.
A.differentiation, mitosis, specialization
B.gene expression, differentiation, mitosis
C.mitosis, gene expression, differentiation
D.mitosis, specialization, gene expression
Answer:
C. Mitosis, Gene expression, differentiation
Explanation:
Stem cells are referred to as undifferentiated cells which has the ability to develop into new specialized cells via cellular differentiation. The stem cell initially undergoes MITOTIC division to form new stem cells.
This stem cells then undergo GENE EXPRESSION by turning off some genes and turning on some in order to specialize the cell type. After this, the cell becomes DIFFERENTIATED i.e becomes another type of cell
Place the phases of a stem cell into the correct order.
The correct order would be mitosis, gene expression and then differentiation.
Stem cells can be defined as undifferentiated cells that possesses the ability to develop into many other different cells of the body. Before a stem cell becomes differentiated, the stem cell undergoes growth, mitosis and then information from the gene (DNA) in the cell will be needed to determine the type of cell it will become and be expressed before differentiating and becoming specialized to give rise to a particular type of cell.
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Eugene describes the physical property of a material as “sweet and floral.” What physical property of the material is Eugene most likely observing?
boiling point
shape
hardness
odor
Answer:
Odor
Explanation:
When you smell something, you are smelling it's odor. The words "sweet" and "floral" are most likely referring to the odor of a flower.
What is G-zero (G0) and why is it important to the cell?
Answer:
The G0 phase describes a cellular state outside of the replicative cell cycle. Classically, cells were thought to enter G0 primarily due to environmental factors, like nutrient deprivation, that limited the resources necessary for proliferation. Thus it was thought of as a resting phase.
Explanation:
1. A cell does not need to use energy during
O active transport
exocytosis
O diffusion
O endocytosis
Answer:
The answer would be Diffusion because it does not require the use of energy