Answer:
Most cells are diploid; they have two copies of each chromosome. Such cells, called somatic cells, make up most of the human body, such as skin and muscle cells. Cells differentiate to specialize for different functions. ... The cells of the inner cell mass go on to form virtually all of the tissues of the human body.
Answer:
don't know how to do it but going to be back once I figure it out
Atmospheric Layer Describe what happens to the temperature as altitude increases. Be sure to note specific altitudes where abrupt changes occur and how each layer is heated. Troposphere Stratosphere Mesosphere Thermosphere Exosphere Ionosphere
Answer:
Kindly Check explanation section.
Explanation:
The atmosphere has zones and each zones has it characteristics with respect to atmospheric conditions such as temperature, pressure and humidity.
So, the question only asked us to compare or show the temperature describe what happens to the temperature as altitude increases in each region of the atmosphere.
(1). Troposphere: the region known as troposphere in the atmosphere has a lower Temperature. The troposphere is a region in which the earth gets its radiation and re-radiates its electromagnetic radiation to give heat which later cools down.
(2). Stratosphere: what occurs in the region known as the stratosphere in the atmosphere is that there will be absorption of UV by the O3 layer which will in turn INCREASES THE TEMPERATURE.
(c). The Mesosphere: in this region of the atmosphere the temperature DECREASES.
(d). Thermosphere: there is surely an INCREASE IN TEMPERATURE in this region because of solar radiation.
(e). Exosphere: there is an INCREASE IN TEMPERATURE in this region too and the temperature increament is caused by ionization.
(f). Ionosphere: in this region, we have an INCREASE IN TEMPERATURE too be side of the solar radiation.
Which of the following properties of water accounts for all of the others?
A. Hydrogen bonding
B. High heat capacity
C. Cohesion
D. Adhesion
E. Density
Answer:
(C) cohesion.
Explanation:
cohesion . hydrogen bonds hold water molecules together
what percent of radiation from the sun is reflected once it enters the atmosphere?
solute concentration in the environment is higher than the solute concentration in the cell
Answer:
hypotonic
Explanation:
The moon seems to change shape form day to day in a cycle that last about a month as it goes through
A)Revolutions B)Phases C)Rotations D)Eclipses
Answer:
B. phases
Explanation:
The changing shape of the moon in the sky is called phases.
The moon seems to change shape from day to day in a cycle that lasts about a month as it goes through Phases.
How does the Moon's shape seem to alter?
The Moon seems to change shape because we notice distinct amounts of the lit portion as the Moon orbits Earth.
When the Moon is between Earth and the Sun, the lit flank is obscured from us.
As it moves around Earth, the lit flank comes into view. Then it commences and vanishes again.
Thus, The moon seems to change shape from day to day in a cycle that lasts about a month as it goes through Phases.
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According to the article, why is a faulty hypothesis still an acceptable outcome to scientists
Answer:a
Explanation:
Why are environmentalists concerned about the introduction of genetically engineered trees? a. Genetically engineered trees are not regulated. b. Genetically engineered trees could have unexpected interactions with organisms of natural ecosystems. c. Genetically engineered trees decrease the biodiversity of natural ecosystems. d. All of the above
Answer:
b. Genetically engineered trees could have unexpected interactions with organisms of natural ecosystems.
Explanation:
A genetically engineered tree has had it's dna undergo certain modifications through the use of genetic engineering techniques. Such trees are made to have faster growth rate, resistance to insects and diseases. Environmentalists are concerned about these trees and how they could affect the natural environment causing adverse effects to the natural organisms of the ecosystem.
Answer:
B
Explanation:
is a cell membrane a ring, bilayer, or a chain?
Answer:
It's a Bilayer
Explanation:
The lipid bilayer (or phospholipid bilayer) is a thin polar membrane made of two layers of lipid molecules. ... The cell membranes of almost all organisms and many viruses are made of a lipid bilayer, as are the nuclear membrane surrounding the cell nucleus, and membranes of the membrane-bound organelles in the cell.
What might happen if cytokinesis did not occur during the cell cycle?
Answer:
If cytokinesis did not occur during mitosis the cytoplasm wouldn't be divided and there wouldn't be two identical daughter cells as a result. so the cell would remain to be at rest not being able to separate into two individual cells.
There are approximately 259 hectares per square mile. How many deer could a square mile of forest of mature American chestnut trees support for a year if they were the only organism consuming their nuts?
Answer:
25 deers
Explanation:
According to studies conducted by wildlife experts, a single deer needs roughly 25 acres of land in order to survive comfortably. Therefore we first need to find out how many acres are in a hectare, which based on a quick search online we see that 25 acres equal 10.11 hectares which is what a single deer needs to survive. Now we divide the total amount of hectares by the hectares a single deer needs in order to find out how many deers can survive on this total amount of land.
259 / 10.11 = 25.618
Finally, we can see that the 259 hectares can maintain roughly 25 deers.
"Yuck!" This statement represents which of the following functions of language? (2 points)
Group of answer choices
Phatic
Conative
Emotive
Poetic
Answer:
C) Emotive
Explanation:
I just took the test now :))
Emotive statement represents the functions of language.
What do you mean by emotive language?Emotive language is the use of descriptive words, often adjectives, that can show the reader how an author or character feels about something, evoke an emotional response from the reader, and persuade the reader of something.
Emotive language refers to language designed to target an emotion – positive, negative, sometimes deliberately neutral – and to make the audience respond on an emotional level to the idea or issue being presented.
Emotive language is an extremely important technique in creating audience engagement with a text. Also called 'loaded language', emotive language occurs when authors choose words extremely carefully to evoke specific emotional responses in a reader.
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Both lipids and carbohydrates are important in animal cells because both_____
A. form cell walls
B. provide insulation
C. store energy
D. contain nitrogen
Answer:
Explanation:
C the lipids makes your energy from running out soo soon
Carbohydrates and lipids are essential biomolecules for living. They both helps to store energy. Hence, option C is correct.
What is carbohydrate?Carbohydrates are macromolecules formed from the monomeric units sugars such as glucose, fructose, galactose etc. These monomer molecules polymerise to form carbohydrates such as starch, cellulose, glycogen etc.
Lipids are formed by fat and triglycerols and they they store energy in skin cells. Lipids are important biomolecules because they have significant role in the cell wall formation in plants and cell membrane formation in animals as well as aids for the transport of ions through cells.
Carbohydrates are the main source of energy in animals and plants. It is stored in the form of ATP formed by glycolysis. Hence, both lipids and carbohydrates stores energy.
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Why can’t you drink salt water?
A: It’s isotonic to your cells
B: it’s hypertonic to your cells
C: it’s paratonic to your cells
D: it’s hypotonic to your cells
Osmosis is the diffusion of what across a membrane?
A glucose
B. protein
C. Naci
D. water
Answer:
Water
Explanation:
hope it helps
An organized group of interacting parts
1. Gene
2. Theory
3. Biosphere
4. Biodiversity
5. Microscope
6. Homeostasis
7. Species
8. Dependent
9.An experiment
10. Negative feedback
11. Independent
12. Biotechnology
13. Hypothesis
14. System
15. Evolution
Answer:
System
Explanation:
Definition of system
Which TWO cellular structures are directly involved in protein production in the cells of both grass and white-tailed deer?
А
Lysosomes
B
Ribosomes
с
Centrioles
D
Central vacuole
E
Rough endoplasmic reticulum
Answer:
The correct answer is - option B. ribosome and option E. rough endoplasmic reticulum
Explanation:
The rough endoplasmic reticulum and ribosome are directly involved in the protein synthesis as ribosome helps in the process of translation and rough endoplasmic reticulum helps in editing, modifying, and packaging of the protein formed.
These both are present in eukaryotic cells such as white-tail deer and plants like grasses, together as rER have many membrane-bound ribosomes.
Thus, the correct answer is - option B. ribosome and option E. rough endoplasmic reticulum
Will award 70 points!
Calculate the rate of photosynthesis(mm/hr) for Elodea if when measuring net photosynthesis, the water level moved up 5 min and, when measuring cellular respiration it took 20 minutes for the water level to move down 1mm.
63mm/hr
57mm/hr
67mm/hr
61mm/hr
52mm/hr
Answer:
Net photosynthesis- 3mm/20min- 1.5mm/10min
Cellular respiration- 1mm/15min- 0.66mm/10min
Gross photosynthesis = Net photosynthesis + Cellular respiration = 1.5+0.66 = 2.16 (mm/10min)
Rate of photosynthesis = (gross photosynthesis)6 = 2.16 *6 = 12.96 mm/hr
As we are measuring rate of photosynthesis in hr ,we should multiply gross photosynthesis with 6 (as we measured gross photosynthesis for 10 min).
Explanation:
4. ______________ and _______________ are needed by our body in small quantities
Answer:
vitamins and minerals.
The____
gland controls water balance, growth, and blood pressure
pituitary
Thymus
thyroid
pancreas
Answer:
The pituitary gland controls water balance, growth and blood pressure.
Explanation:
The pituitary gland is also called hypophysis, and is a small gland located in the skull that is responsible for secreting hormones and coordinating the activity of other glands.
Hypophysis is usually divided into two portions, adenohypophysis or anterior lobe and neurohypophysis in posterior lobe. Among other functions, the pituitary gland is in charge of
Water balance and blood pressure, through the antidiuretic hormone or ADH secreted by the neuro-pituitary. Growth, through the secretion of growth hormone or GH, secreted by the somatotropic cells of the adenohypophysis.This gland is also responsible for the secretion of oxytocin and other hormones in charge of regulating endocrine glandular activity.
Regarding the other options:
Thymus is a gland present in children and related to immune function. Thyroid is responsible for secreting hormones that control basal metabolism. Pancreas has exocrine and endocrine function, producing digestive enzymes and insulin and glucagon, respectively.Answer:
A.pituitary
Explanation:
A cell that has an uncontrolled cell growth and division is called
abnormal tissue growth.
and results in
Answer:
Should be cancer
Explanation:
Cancer is where there is an area on the body where an area of cell grows uncontrollably.
HELP ME PLEASE PLEASE PLEASE!!!
What best describes a river system?
A. the network that includes all the waters feeding into a main river and all the waters branching out from it
B. the source of a river and all the tributaries feeding into the river
C. the source and mouth of a river
D. all the distributaries flowing away from a river and the mouth of the river
Answer:
B the source of a river and all the tributaries feeding into the river
Explanation:
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Answer:
Mitosis produces two diploid (2n) somatic cells that are genetically identical to each other and the original parent cell, whereas meiosis produces four haploid (n) gametes that are genetically unique from each other and the original parent (germ) cell.
Explanation:
10
This model of the cell cycle includes two arrows that each represent a process in the cycle.
Arrow 2
G, phase
Arrow 1
s phase
G phase
What do the two arrows represent?
F Arrow 1 represents prophase, and Arrow 2 represents interphase.
Arrow 1 represents mitosis, and Arrow 2 represents meiosis.
H
Arrow 1 represents interphase, and Arrow 2 represents mitosis.
J Arrow 1 represents meiosis, and Arrow 2 represents prophase.
Answer:
Arrow 1 represents interphase and arrow 2 represents mitosis
Explanation:
The cell cycle is generally divided into two phases:
the interphase, andthe M or mitotic phaseThe interphase represents the period between the telophase of one cell division and the metaphase of another. This is the period the cell uses to prepare itself for active division. It takes up a large chunk of the cell cycle and it is further divided into:
the G1 phase which represents the period of cell growth and increase in volume,the S phase which represents the period during which DNA is synthesized, andthe G2 phase which represents the period during which protein is synthesized.The mitotic phase represents the period of active division. It is further divided into the prophase, the metaphase, the anaphase, and the telophase.
Hence, the first arrow (1) of the model represents the interphase while the second arrow (2) represents the mitotic phase.
Answer: arrow 1 represents interphase and arrow 2 represents mitosis.
Explanation: i took the test c:
23. Which macromolecule is responsible for the creation of proteins?
A) Monosaccharides
C) Nucleic acids
B) Carbohydrates
D) Lipids
How do diatoms and algae obtain their food?
Answer:
Explanation:
I don't know how diatoms obtain their food, but I do know how algae obtains it. Algae is a plant, that green stuff you find growing on rocks in creeks and lake shores. Plants turn sunlight, water, and carbon dioxide into sugars, which it uses for food. Most plants also obtain nutrients from soil and water using their roots, but algae doesn't have roots so it only gets food through the process I explained above, photosynthesis. I hope this has been helpful.
Answer:
Diatoms
Explanation:
They obtain food by absorbing nutrients from ocean water. Unlike many other types of phytoplankton and marine organisms, diatoms don’t have body parts that allow them to swim. They obtain food by absorbing nutrients from ocean water, which is a very competitive process. Diatoms are relatively large and at a disadvantage for food absorption due to their bodies’ reduced surface areas.
Which are accurate descriptions of comparative anatomy? Select three options.
may or may not include studies of structures with the same function
only involves studies of structures that are on the outer surface of the body
compares the structures of organisms from different species
always supports the concept of a recent common ancestor
includes studies of homologous, vestigial, and analogous structures
Answer:
1, 3, and 5
Hope this helps :]
Answer:
1: may or may not include studies of structures with the same function
3: compares the structures of organisms from different species
5: includes studies of homologous, vestigial, and analogous structures
Explanation:
1, 3, 5,
help please biology work
Answer:
C. Student 2
Explanation:
The community is the sum of all of the different populations in an area. All of the biotic(living) components of an ecosystem.
The only answer with more than one organisms is student 2's observation.
do oxygen atoms become more stable or less stable when oxygen forms compounds. Explain.
Answer:
Do oxygen atoms become more stable or less stable when oxygen forms compounds? They become more stable because they gain or share valence electrons giving each oxygen atom a set of 8 valence electrons. They change because the number of valence electrons changes in a pattern that repeats in each period.
A gene sequence reads ATCGAT. which represents a substitution mutation.
A. ATGAT
B. UAGCUA
C. TAGCTA
D. ATGGAT
Answer:
D
Explanation:
A substitution is where a base is substituted by another base
A. ATGAT - this is not a substitution, the C has been deleted
B. UAGCUA - this is not a substitution, but is the complementary mRNA sequence (you can tell because there are Us instead of Ts)
C. TAGCTA - this is not a substitution, but is the complementary DNA sequence
D. ATGGAT - this is a substitution, the C in the original sequence has been replaced (substituted) by a G.
Could an animal adapted to live in an ecosystem at the bottom of the Rocky Mountains survive in an ecosystem at the top of the Rocky Mountains? Explain your answer.
Answer:
No, the environment would be completely different. At the bottom of the mountains there would be certain things that at the top you would not find and vice versa. The oxygen levels would also be different. The most important point is that an animal doesn't adapt easily. For example we humans, we live on the ground if we decided to live on Mt. Everest the lifestyle would be so hard to adapt to because we aren't used to it, like oxygen levels, food sources, temperature, etc. Same thing with this animal.
Hoped this helped :)
