Answer:
Due to difference in size and shape of flower.
Explanation:
Two species of plant cannot interbreed with each other because their flowers differ in size and shape. Each flower has different time of maturation and the appearance of reproductive stage as well as difference in their chromosome number. If these factors occurs on the same time and having same number of chromosomes so they are able to interbreed with each other otherwise not so that's why we can say that two species can't interbreed with each other.
Based on the graph, which of these conclusions is correct? (2 points)
a
Heat is not added in portions BC and DE.
b
Heat is not added in portions AB and CD.
c
Change of state takes place in portions BC and DE.
d
Change of state takes place in portions AB and CD.
Answer:
The answer is "Option c".
Explanation:
Throughout the given question, Option c is acceptable which is based on the graph. The status of parts BC and DE are significantly changed because the temperature in the parts BC (0 degrees Celcius) & DE (100 degrees Celcius) is relatively stable to only the template would also have changed from ice and water into the vapor.
name the gland that produces the hormone that stimulates growth
A. pituitary gland
B. thyroid
C. adrenal glands
D. pancreas
Answer:
a ........Pituitary gland
Which molecules are used to form cell membranes?
A. polysaccharides
B. amino acids
C. fuphospholipids
D. fatty acids
Gizmo: Rainfall and Bird Beak Evolution
The finches have their young during the rainy season. Based on the table, which part of the year do you think is the rainy season?
Within a plant cell, the glucose formed as a result of
photosynthesis may be used directly as
1) an energy source during cellular respiration
2) an enzyme for intracellular digestion
3) an absorber of radiant energy
4) a source of molecular oxygen
Answer:
an energy source during cellular respiration
Helpppppp!!!!
Which feature is an example of psychological adaptation?
Case Ico-delete Highlights
A 42-year-old woman presents for an evaluation of back pain. She states that she has a history of recurrent UTIs; she notes that on occasion her urine appears red. Upon physical examination, she demonstrates CVA tenderness. Her vital signs include blood pressure of 145/90 mm Hg, respiratory rate of 16 breaths/min, and heart rate of 72 bpm. Urinalysis shows leukocyte esterase 1+, protein trace, and blood 3+. The microscopic examination reveals 5-10 WBCs/hpf and 20-30 RBCs/hpf. An abdominal ultrasound demonstrates multiple, bilateral fluid collections within the kidneys.
Question
What, if any, is the most likely underlying renal pathology?
Answer:
The correct answer would be - polycystic kidney disease.
Explanation:
The given clinical picture or information suggests that it is most probably an infection that takes place in one or both the kidneys and leads to the setting of polycystic kidney disease.
The given symptoms such as abdominal or flank pain, recurrent UTIs, blood in the urine, and hypertension are characteristic symptoms of polycystic kidney disease. Cystic lesions found on abdominal ultrasound are a confirmation of the disorder.
The key disease of this polycystic disorder is Goodpasture syndrome which shows symptoms of both glomerulonephritis and pulmonary hemorrhages, and medullary sponge kidney disorder.
A certain stem cell produces only muscle cells. What kind of stem cell is this?
A. Pluripotent
B. Unipotent
C. Totipotent
D. Multipotent
the answer is (B. Unipotent)
Answer:
B) unipotent
Explanation:
Unipotent stem cells come from multipotent stem cells which can only become a few different cell types. Unipotent stem cells can be programmed to be only a specific cell type. They will only follow that one genetic path, thus the name "uni".
PLEASE HELP ME!!! I NEED THIS SO I CAN PASS MY CLASS AND I ONLY HAVE TEN MINS LEFT!!!! I WILL MARK BRAINILIST!!!
Comparing the four most common types of power plants in Alberta (coal, natural
gas, wind, and hydroelectric), which has the lowest efficiency in electricity
generation? and why?
Answer:
Coal.
Explanation:
Steam power plant has the lowest efficiency in electricity production which can only be run with the use of fossil fuels such as coal. The efficiency of this power plant is the lowest because large amount of coal is converted into smoke and other gases and very less amount of coal into heat energy. This coal is used to produce heat energy which can be used in the heating of water to produce steam. This steam is used to move turbines which turn mechanical energy into electric energy.
How much has the rate of surface temperature been in the last 50 years?
Answer:
The global average surface temperature rose to 0.6 to 0.9 degrees Celsius ((1.1 to 1.6° F)) between 1906 and 2005, and the rate of temperature increase has nearly doubled in the last 50 years!
Which of the two growth models, exponential or logistic, would you say that the human population portrays? Explain your answer.
Answer:
The human population portrays an exponential model
Explanation:
The human population has grown very fast in the past 100 years after the addition of modern technology and easier and safer work people die less frequently hence more are born and there are more people to reproduce with each other and so on and so on
Scott made a model of the water cycle by filling a tub with water, covering the tub with clear plastic, and placing a heat lamp over the tub. After a few days, he observed water droplets collecting on the plastic wrap. What process formed the water droplets in Scott's model?
Answer:
The correct answer is - condensation.
Explanation:
When humid air comes in contact with the cold surface and we get the water in form of droplets, it is called condensation. In other words, condensation is the change of water vapor to the water exactly opposite of the evaporation process.
In the given experiment of Scott where droplets are collected on the plastic surface which simply illustrates the phenomenon of condensation as the water evaporated due to the heat of the lamp and condensed on the surface of plastic wrap.
Answer:
C
Explanation:
condensation
Which of the following best describes bear hibernation?
a. It causes hormonal imbalance and cellular communication failure.
b. It is a disruption between circadian rhythms and environmental cues.
c. It is a physiological condition resulting from north-south and south-north travel.
d. It is a psychological phenomenon that affects people traveling between time zones.
Answer:
the answer is C
Explanation:
Ecological succession
a) The first organisms that appear in an area after it has been disturbed
b) The variety of life in an ecosystem
c) A biodiverse community of organisms in an ecosystem many years after a
disturbance
d) Gradual changes in the types of species that live in an area
hurry pls
how are haploid gametes formed through meiosis
Human body cells are constantly moving water into and out of themselves. Under what conditions can a human body cell achieve homeostasis?
Homeostasis is the process by which the body maintains a stable internal environment despite changes in external conditions. The body has several mechanisms to help maintain overall fluid balance, such as the renin-angiotensin-aldosterone system and the anti-diuretic hormone (ADH) system.
What is homeostasis?Human body cells are constantly moving water into and out of themselves, and they rely on a complex system of transport proteins and channels to regulate the movement of water and other molecules. Under normal conditions, human body cells can achieve homeostasis by maintaining a balance between the concentration of solutes inside and outside the cell. This balance is maintained through a process known as osmoregulation, which involves the movement of water and solutes across the cell membrane.
Hence, homeostasis is the process by which the body maintains a stable internal environment despite changes in external conditions. The body has several mechanisms to help maintain overall fluid balance, such as the renin-angiotensin-aldosterone system and the anti-diuretic hormone (ADH) system.
Learn more about homeostasis here.
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what type of limiting factor affects a large population more than it affects a small population?
Answer:
density dependent limiting factor
Explanation:
Nitrogen in plants and soil is changed into nitrogen compounds by _____.
nitrogen fixation
respiration
denitrification
photosynthesis
Answer:
I think it is denitrification but if that's not the answer then it's nitrogen fixation I'm pretty sure.
Explanation:
I'm sorry for not giving a sure complete answer
Why do you think species are endangered? Name some root cause of the problem.
How do you think this situation can be realistically improved?
Yeast undergo anaerobic respiration (fermentation), where glucose is broken down into two (2) ATP and two (2) pyruvate. This pyruvate is then used to form what waste product?
The pyruvate is then used to form Ethanol [tex][C_2H_5OH][/tex] and Carbon dioxide [tex][CO2_][/tex].
What is Anaerobic respiration?Anaerobic respiration is defined as respiration using an electron acceptor other than molecular oxygen where oxygen is not the final electron acceptor, the process still uses the respiratory electron transport chain.
Anaerobic respiration is described as the process in which there is incomplete oxidation of glucose in the absence of oxygen which is commonly known as fermentation.
One type of fermentation is alcohol fermentation where the pyruvate is decarboxylated [tex](CO_2 leaves)[/tex] to form acetaldehyde. Hydrogen atoms from NADH+. H+ are then used to help convert acetaldehyde to ethanol. NAD+ results.
Thus, the pyruvate is then used to form Ethanol [tex][C_2H_5OH][/tex] and Carbon dioxide [tex][CO2_][/tex].
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In an example food chain, rabbits only eat plants.
Which type of consumer are the rabbits?
plants and algae. These organisms are called primary consumers or herbivores. Some examples are rabbits, deer, tadpoles, and caterpillars. organisms are called secondary consumers.
Answer:
Herbivores
Explanation:
A rabbit is very close to the bottom and they are ‘consumers’. They are herbivores, meaning that they mainly eat plant matter. They are also prey animals so larger animals capture and eat them.
During the light reactions of photosynthesis, plants convert light energy into energy the plant can use. Where is the energy stored
Answer:
Photosynthesis is a process where plants and other organisms convert energy from the sun into a chemical energy that through cellular respiration can be later released in order to fuel the organism's metabolic activities.
The energy which is stored in the form of sugar is broken down into starch entering the mitochondria to produce energy. The energy is stored in the chemical bonds. To obtain the energy, organisms take energy-rich compounds such as glucose and breaks them down to release their energy. The organism traps the released energy and stores it in a form of adenosine triphosphate or ATP.
Explanation:
Construct a triangle ABC if AB=60mm,BC=70mm,and AC=60mm. Name the triangle formed.
d co pn dExplanation:
Review the chart, which shows the population sizes of three African animals in 1990 and in 2000.
Population Estimates of Animals in Africa in 1990 and in 2000
1990
2000
Lions
100,000
47,000
Cheetahs
50,000
7,500
Zebras
15,000
2,500
Which explanation is best supported by the numbers in the chart?
Answer:
Population of lions are more than cheetahs and zebras.
Explanation:
The chart provides information about the population sizes of Lions, Cheetah and Zebras. According to this information, population of lions is the greatest as compared to Cheetah and Zebras. This is due to suitable conditions for the lions such as food and shelter etc in that jungle of Africa as well as strong competitor and its aggressive behaviour make them successfully survive and increase its population in the jungle.
Which arrow represents the change of state described above
Answer:
n
Explanation:
That's you answer because if you look at the you see Whats its talking about
Besides the outside layer of the cell, where else is the phospholipid
bilayer found?
Answer: The phospholipid bilayer can also be found in organelles that have a membrane such as the nucleus, mitochondria, chloroplasts etc.
Multiple Choice
Re-growing a forest will:
cause desertification in surrounding areas due to the trees' high water demands,
increase water run-off.
lead to eutrophication of nearby lakes,
reduce water run-off.
HELP ASAP
Select the correct answer from each drop-down menu.
Enzymes are part of the ________ digestion process. Their function is to break down_________. Amylase is a digestive enzyme secreted _________ and is responsible for breaking down__________.
1. chemical, mechanical
2.macromolecules, atoms, vitamins
3.in the stomach by the gallbladder, in the small intestine by the liver, in the mouth by the pancreas
4. proteins, nuclei acids, lipids, starch
Answer:
Salivary glands secrete salivary amylase, an enzyme that begins the breakdown of starch into glucose. Mucus moistens food and lubricates the esophagus. Bicarbonate ions in saliva neutralize the acids in foods
Answer:
1. Chemical
2. macromolecules
3. In the pancreas
4. starch
Explanation:
Reactions occur within the sun to change nuclear energy into electromagnetic energy. This is just one example of…
Answer:
Un ejemplo de reacciones de fusión son las que tienen lugar en el sol, en las que se produce la fusión de núcleos de hidrógeno para formar helio, liberando en el proceso una gran cantidad de energía en forma de radiación electromagnética, que alcanza la superficie terrestre y que percibimos como luz y calor.
Explanation:
primero:atiende a las clases de tu profesor
segundo:no seas vago
nada mas
What is one of the reasons why Gregor Mendel chose to study pew plants
