Answers
Related Questions
What attractive force holds two hydrogen atoms and one oxygen atom together to make the substance water?
A.Molecules
B.Valence electrons
C.Chemical bonding
D.Cations
Answers
the answer is c.chemical bonding bc its the attraction twords atoms
Loggerhead turtles need an incubation temperature between about 28 and 32 degrees Celsius. When temperatures are higher, more female turtles are produced. When temperatures are lower, more males are produced. When the temperatures exceed this range, the offspring don't develop and die. Scientists have observed that, in Florida, 90 percent of the turtles born are females. If global climate change continues, what is the best prediction that can be made based on these observations?
A. Male turtles will move to cooler waters, leaving females in warmer regions.
B. More female turtles will find mates, so the population will increase in size.
C. The turtle population will become smaller over time.
D. The turtle population will become entirely male.
Answers
A.Make turtles will move to cooler waters,leaving females in warmer regions.
I think.
Answer:
C. The turtle population will become smaller over time.
Explanation:
We know that climate change is making the earth hotter and hotter and as we can see in the question above, the population of Loggerhead turtles is directly influenced by temperature. Warmer temperatures favor the birth of female turtles, while males are disadvantaged. As seen in the question, this can be seen in Florida, where 90% of turtles born are female.
If climate change continues to influence a hot climate, male turtles will appear in smaller and smaller proportions. As a result, mating and breeding will decrease and the turtle population will decrease over time.
7. Contrast cytokinesis in animal cells and plant cells.
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This is the exact answer they're looking for I promise:
Sample Response: Cytokinesis occurs in both animal and plant cells. It is the division of the cytoplasm, which is the final stage of the cell cycle. In animal cells, the cell membrane pinches together around the middle of the cell to divide the cytoplasm. In plant cells, the process is a little different. Because the cell wall of a plant cell is rigid, it does not pinch in like the more flexible cell membrane in animal cells. Instead, a structure called a cell plate forms across the middle of the cell. The cell plate moves outward and eventually fuses with the cell membrane to divide the cell into two cells. Then, new cell walls form around the cell membranes.
PLEASE MARK BRAINLIEST
Answer:
Cytokinesis occurs in both animal and plant cells. It is the division of the cytoplasm, which is the final stage of the cell cycle. In animal cells, the cell membrane pinches together around the middle of the cell to divide the cytoplasm. In plant cells, the process is a little different. Because the cell wall of a plant cell is rigid, it does not pinch in like the more flexible cell membrane in animal cells. Instead, a structure called a cell plate forms across the middle of the cell. The cell plate moves outward and eventually fuses with the cell membrane to divide the cell into two cells. Then, new cell walls form around the cell membranes.
Explanation:
Which of the following statements regarding marital satisfaction is FALSE?
a. The more children couples have, the lower their level of marital satisfaction.
b. Parents exhibit lower marital satisfaction than non-parents.
c. Parents of adolescents exhibit lower marital satisfaction than parents of infants.
d. Mothers of infants exhibit the largest decrease in marital satisfaction.
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Dentify the next step in this sequence of events that occurs in the formation of rock. Buried, compacted, heated, and ________ A) buried B) eroded C) deposited D) recrystallized
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The correct answer is option D, that is, recrystallized.
The foremost step in the rock cycle is a burial after that compaction of rocks takes place. Then the rocks are heated because of the heat present beneath the ground. From here, temperature and pressure play an essential function in predicting that how the rock will modify, that is, the next step in the rock cycle is known as re-crystallization.
If you were to place the bear into the energy pyramid, the bear would go on level _____ and have ________ amount of energy available to it.
A) A; the least
B) C; the least
C) A; the greatest
D) B; an intermediate
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Answer:
the answer its A
Explanation:
i just did it
Define
nitrogen fixation:
logistic growth rate:
plz:)
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They contain symbiotic bacteria called rhizobia within nodules in their root systems, producing nitrogen compounds that help the plant to grow and compete with other plants. When the plant dies, the fixed nitrogen is released, making it available to other plants; this helps to fertilize the soil.
what characteristics do all living things have in common
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Ability to reproduce
Maintain homeostasis
Responsiveness to the environment
The characteristics that all living things have in common are as follows:
Cellular organization.The ability of reproduction.Growth and development.Homeostasis.The ability of adaptation. What are livings things?Living things may be defined as a large group of organisms including plants, animals, microorganisms, etc. that have the ability of respiration, reproduction, adaptation, growth, response to the environment, etc.
All living organisms follow different strategies of cellular respiration, reproduction like sexual or asexual, adaptation, etc. Such strategies make them to classifies under a specific category according to the five kingdom classification of Robert Whittaker.
For example, all the organisms that are capable of doing photosynthesis are classified into the kingdom Plantae.
Therefore, it is well described above.
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A vitamin is a ____.
A) Protein that acts as a catalyst for cell functions
B) Substance that is soluble in water and is stored in the body
C) Compound that organisms need in small amounts but cannot produce
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I believe the answer is b.
Hi !!
A vitamin is a compound that organisms need in small amounts but cannot produce
In the skin, the epidermis can be compared to what analogy?
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dog = cat = 54= raining cats and dogs
Answer:
a wall that protects a country from invaders.
Explanation:
What characteristic helps conifers survive when the weather is dry? waxy scales scale-like seeds needle-like leaves heavy trunks
Answers
Conifers survive in dry weather mainly due to their needle-like leaves, which have a small surface area and sunken stomata, aiding in reducing water loss.
Explanation:Conifers, a group of gymnosperms, have certain characteristics that help them survive in dry conditions. Most notably, their needle-like leaves play a vital role in survival. These needles have a smaller surface area than regular broad leaves and contain sunken stomata, both of which aid in reducing water loss. Moreover, the needle's shape and its waxy cuticle also limit water loss through transpiration. Hence, when the weather is dry, these attributes help conifers conserve their water supply and endure the conditions.
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Which of the following statements concerning the light-independent processes of photosynthesis is true? 1Points A Carbon dioxide is removed as a waste product. B An unstable six carbon molecule is created. C No energy is produced. D All of the glucose-creating molecules made from the processes go into making glucose.
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The correct answer is option D
Reason: All other options are incorrect as
Carbon dioxide used in the light-independent processes of photosynthesis (Celvin Cycle) are used completely to form glyceraldehyde-3-phosphate (G3P) molecule which is stable and is a six carbon molecule. Also Energy is produced in the form of NADPH and ATP.
6 CO2 enters the celvin cycle and 6 G3P molecules are formed out of which 1 leaves the cycle and and rest 5 G3P molecules get regenerated thereby regenerating 33 RuBP acceptor molecules.
Which actions have a positive effect on air resources?
using fossil fuels
using solar energy
walking to work or school
using trains or buses to commute
removing vegetation such as trees and shrubs
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The third option because walking to work or school would mean that you aren’t using Carbon Dioxide (which is harmful to the environment)
And the 4th option because even though using trains and buses uses Carbon Dioxide, more people can go into one transportation (and it’s public) and they don’t need to use vehicles which is mostly for individuals (mostly only one person driving a car. No passengers)
Answer:
walking to work or school
Explanation:
Smooth muscle cells lack which protein(s)?
A. actin only
B. myosin only
C. troponin only
D. tropomyosin only
E. troponin and tropomyosin
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The correct answer is C. troponin only.
The smooth muscle cells contain similar elements like the cardiac and skeletal muscle cells including actin, myosin and tropomyosin but they contain troponin.
Smooth muscle tissues are non striated and produce their own connective tissue called endomysium. Smooth muscle cells also lack sarcomeres but have other thin and thick filaments along with actin and myosin contractile proteins.
Due to lack of troponin the cross bridge formation is regulated by the regulatory protein calmodulin instead of the troponin- tropomyosin complex.
The correct option is C. troponin only, as smooth muscle cells lack the regulatory protein troponin, which is present in skeletal and cardiac muscles to aid in contraction regulation.
The correct option to the question "Smooth muscle cells lack which protein(s)?" is C. troponin only. Unlike skeletal and cardiac muscle cells, smooth muscle cells do not contain the regulatory protein troponin. In relaxed skeletal muscle, for instance, the myosin-binding site on actin is blocked by tropomyosin, and the presence of troponin regulates the interaction between myosin and actin. However, smooth muscle regulation is different, and it does not involve troponin. Instead, smooth muscle contraction is controlled through the phosphorylation of myosin light chain and other regulatory mechanisms without the need for troponin.
It's important to note that smooth muscle does contain tropomyosin and the contractile proteins actin and myosin, which are all crucial for muscle contraction.
All prokaryotes are single-felled organisms. Compare prokaryotes and eukaryotes. Select the characteristics that only apply to prokaryotes.
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Final answer:
Prokaryotes are predominantly single-celled organisms that lack membrane-bound organelles and a nucleus, with their DNA found in the nucleoid. In contrast, eukaryotic cells have a membrane-bound nucleus and various organelles, and they may be single-celled or multicellular.
Explanation:
Prokaryotes and eukaryotes represent the two fundamental categories of cells. Comparing these two cell types, prokaryotes are predominantly single-celled organisms that belong to the domains Bacteria and Archaea. They lack a membrane-bound nucleus and other membrane-bound organelles. Instead, the DNA of prokaryotes is located in a region called the nucleoid.
Key characteristics of prokaryotes include:
The absence of a membrane-bound nucleus, instead having their genetic material freely floating in the cytoplasm.Lack of membrane-bound organelles such as the endoplasmic reticulum, mitochondria, or Golgi apparatus.Maintenance of cell structure mostly through peptidoglycan cell walls, which is especially true for bacteria.Size, as prokaryotic cells usually range in diameter from 0.1 to 5.0 μm, smaller than most eukaryotic cells.On the contrary, eukaryotic cells have a membrane-bound nucleus and possess various other membrane-bound organelles that compartmentalize the cell and perform specialized functions. Eukaryotes can be single-celled or multicellular, and include organisms such as animals, plants, fungi, and protists.
There is a type rabbit that has brown hair in the spring and summer but it changes color in the fall and winter
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The rabbit that changes its fur color from brown in spring and summer to white or gray in the fall and winter is the snowshoe hare. This adaptation helps it blend into its surroundings, providing effective camouflage during different seasons and protecting it from predators.
The rabbit you are describing is likely the snowshoe hare (Lepus americanus), a small mammal found in North America. Snowshoe hares exhibit a fascinating adaptation known as seasonal camouflage, also called molting.
In spring and summer, snowshoe hares have brown fur, which helps them blend into the forest undergrowth filled with vegetation. This brown coat serves as effective camouflage during the warmer months when the forest is lush and green. It helps protect them from predators like lynxes, foxes, and owls.
However, as the days grow shorter and temperatures drop in the fall, snowshoe hares begin to undergo a transformation. Their brown fur gradually changes to white or gray in preparation for the snow-covered winter landscape. This transformation is triggered by hormonal changes, mainly the decreasing daylight hours. The new white or gray coat helps them blend into the snow and ice, providing camouflage that is crucial for their survival during the harsh winter months.
This adaptation ensures that snowshoe hares are well-camouflaged year-round, allowing them to avoid detection by predators while they forage for food and go about their daily activities. This remarkable seasonal color change is a remarkable example of nature's ability to adapt to the challenges posed by different seasons and environments.
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Fires are important to savanna ecosystems, but not to grassland ecosystems. Please select the best answer from the choices provided T F
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The given statement is false.
The fires are essential to both the grassland and savanna ecosystems. The grasslands and savannas are featured by two seasons, which are sustained by fire, and exhibit species that are impervious to drought. These fires help in following on the sequences and permit for habitats to maintain their resolution.
The African savanna ecosystem refers to a tropical grassland with warm temperatures over a year, and with its highest seasonal rainfall in the summers.
Answer:
FALSE
Explanation:
Watch this video about kipunji monkeys in Africa. If you were a conservationist monitoring the populations of these monkeys, what method would you choose?
link to da vid- https://app.edmentum.com/content-delivery/resource/67ba7f1b-ec1c-4485-a1b8-339de13b233a (copy n paste it)
GIVIN AWAY 20 POINTS N MARKIN BRAINIEST!!!
Answers
Answer:
Plato answer
Explanation:
Tagging and tracking would be the most effective method of monitoring the monkeys. They are large animals that are quite mobile, so many of the other methods wouldn’t work as well. Because these monkeys were recently discovered, we likely don’t know much about them. This form of monitoring will help us to better understand their behavior and resource needs. This information will help us determine exactly what threatens the species, so we can determine the best way to conserve the species.
Paraphrase as needed
The line transect method, camera traps, and genetic analysis would be suitable methods for monitoring kipunji monkey populations in Africa.
Explanation:If I were a conservationist monitoring the populations of kipunji monkeys in Africa, I would choose the line transect method to gather data. This method involves walking along a predetermined path and recording every sighting or evidence of the species. By measuring the distance between each observation, I could estimate population density and track any changes over time.
In addition to the line transect method, I would also utilize camera traps. These are motion-activated cameras placed in strategic locations, such as known feeding or resting spots. Camera traps will capture images or videos of the monkeys, allowing me to identify individuals and estimate population size and behavior.
Lastly, I would consider using genetic analysis to study the kipunji monkeys. By collecting DNA samples from feces, hair, or tissue, I could analyze their genetic diversity, relatedness, and population structure. This information is crucial for understanding their overall health and potential threats to their conservation.
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If a ball that a five-month-old infant is playing with rolls under a chair (and out of sight), the infant will not look for it. Piaget believed that this occurs because the infant
a. does not understand the concept of roll.
b. has a short attention span.
c. has not developed conservation.
d. has not developed object permanence.
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Which of these is an example of an internal factor which affects the Earth's climate?
decrease in the Sun's energy
changes in the shape of Earth's orbit
increase in atmospheric carbon dioxide due to volcanic eruptions
changes in the gravitation pull between the Earth and Sun
Answers
increase in atmospheric carbon dioxide
Some steps in cell division are shown below:
1. Haploid chromosomes condense
2. Number of chromosomes are reduced to half
3. Chromosomes move to the equatorial plane between the poles
4. Centromeres separate and the sister chromatids are pulled apart to opposite poles by the spindle
Which of the following steps is most likely to occur during meiosis 2 only?
Answers
The haploid chromosomes would condense and chromosomes would move to the equatorial plane
Answer:
1. Haploid chromosomes condense
3. Chromosomes move to the equatorial plane between the poles
4. Centromeres separate and the sister chromatids are pulled apart to opposite poles by the spindle
Explanation:
Meiosis consists of two divisions namely meiosis I and Meiosis II. Meiosis I is reduction division and Meiosis II is equational division similar to mitosis. Following meiosis I, Haploid daughter cells are formed which enter meiosis II without passing going through interphase or DNA replication. Since meiosis II resembles a mitotic division, the steps are similar to mitosis. Therefore, in meiosis II, haploid daughter chromosomes condense, Chromosomes move to the equatorial plane between the poles and centromeres separate and the sister chromatids are pulled apart to opposite poles by the spindle.
A common chemical reaction in cells is to add a phosphate group to adenosine diphosphate (ADP) to form adenosine triphosphate (ATP). What purpose does this reaction serve?
Answers
Hallo :3
Your question is related to cellular respiration/photosynthesis.
The conversion of ADP to ATP is scientifically known as chemiosmotic phosphorylation. This reaction, which takes place in the cytoplasm, ensures that ADP (low energy) is converted to ATP(higher energy). ATP, the currency of life, is higher at storing energy. This reaction serves as an energy recycling process to build a better molecule.
The reactions of glycolysis occur in the cell's _____________; the reactions of the Krebs (citric acid) cycle occur in the ___________.
A. cytoplasm, mitochondria
B. cytoplasm, cytoplasm
C. mitochondria, mitochondria
D. mitochondria, cytoplasm
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Hi there!
Interesting question about cellular respiration & photosynthesis.
Glycolysis is the first step when it comes to breaking down glucose (6 carbon) into pyruvic acid (3 carbon). Glycolysis occurs in the cytoplasm. On the other hand, the Krebs cycle, which I like to call the tricarboxylic cycle, is a group of chemical reactions that take Oxygen (O2) and turn it into Carbon dioxide (CO2) and water (H2O) as waste products. The Krebs cycle occurs in the mitochondria.
Therefore, your answer should be A. cytoplasm, mitochondria.
Which rate indicates the number of children that would be born per women if she were to live to the end of her child-bearing years?
Answers
Answer:
The total fertility rate
Explanation:
The total fertility rate is a term that refers to the number of children that would be born per women if she were to live to the end of her child-bearing years.
Total fertility rate is also called as fertility rate, potential natality,total period fertility rate or period total fertility rate .
We can simply say that it is an indicative of how many children a woman can produce during her lifetime if, she survives from birth to the the last age in which she can reproduce.
The total fertility rate is not a synthetic rate means that it do not indicates fertility rate of a specific group of women of a specific area but it is just an imaginative rate that is a measure of the fertility of any woman who reaches her reproductive like from 15-49 and recorded.
Hope it help!
Answer:
Fertility rate
Explanation:
Because individuals in a population usually tend to produce more than one offspring,
a. the number of individuals declines rapidly.
b. populations tend to increase in size.
c. populations remain stable in size.
.d individuals tend to die quickly.
Answers
Hope this helps!
Which part of the electromagnetic spectrum is typically used to make images based on the temperatures of objects?
X-rays
radio waves
infrared light
visible light
Answers
infrared light is used for this
The correct answer is option is infrared light.
The part of electromagnetic radiation that is used to make images based on the temperature of the objects is done by the infrared light.
All the objects emits some energy(heat ) in the form of temperature. The more hotter the object more radiation it emits.
The heat sensor (thermal camera) is capable of detecting tiny differences in the temperature of the object.
As the different objects have different temperature, image appear as distinct thermal image.
The model below represents a phase of meiosis. What stage of meiosis does the picture below represent?
1Points
A drawing of a phase of meiosis with the chromosomes paired up and the centrioles formed.
A
prophase I
B
prophase II
C
anaphase I
D
anaphase II
Answers
The correct answer is anaphase two.
Answer:
The correct answer will be option A (prophase I).
Explanation:
Meiosis is a type of cell division in which a single cell divides to form 4 daughter cells with half number of chromosomes of parents.
Meiosis proceeds in two-step division processes that is meiosis I and meosis II. Each stage of cell division occurs in four phases- prophase, metaphase, anaphase and telophase.
During prophase I, the chromosomes begin to condense and form X-shaped structures, chromosomes pair up ,shows recombination or crossing over, shows meiotic spindles between the centrioles at oppsoite poles and nuclear membrane which starts degrading at the end of prophase phase.
Thus, option A (prophase I) is the correct answer.
Which invention played the biggest role in the discovery of cells by early scientists?
Answers
Please help. I can't seem to understand this.
Fill in the blanks to complete each statement about how mountains affect precipitation.
Coastal mountains force cool, moist air from oceans to rise as it moves toward land. Clouds form, and precipitation falls on the _____ side of the mountain. On the _____ side of the mountain, very little precipitation falls.
Answers
Answer:
1. windward
2. leeward
Explanation:
Precipitation falls on the windward side of a mountain due to the air cooling and condensing as it rises, and very little falls on the leeward side due to the air warming and being able to hold less moisture, creating a rain shadow effect.
Explanation:Coastal mountains force cool, moist air from oceans to rise as it moves toward land. Clouds form, and precipitation falls on the windward side of the mountain. On the leeward side of the mountain, very little precipitation falls. This is known as the rain shadow effect, where the air, having released most of its moisture on the windward side, becomes dry by the time it descends on the leeward side.
Nearness to oceans and mountain ranges greatly influences the amount of precipitation an area receives. The air cools and condenses as it rises over a mountain, releasing precipitation mostly on the ocean-facing slopes. As the air descends on the other side, it warms up, reducing its capacity to hold moisture, thus creating dry conditions on that side of the mountain.
In extreme cases, such as the Atacama region of Chile, the leeward side can have extreme desert conditions due to the effectiveness of the Andes Mountain range in depleting the moisture from the prevailing winds.
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Egg and sperm cells contain half the number of chromosomes as body cells. Egg and sperm cells are known as _______ cells. A. Minor B. Major C. Haploid D. Diploid
Answers
Answer:
C.haploid
Explanation:
as the egg and the sperm carry half the number of chromosomes,just to differentiate the genetic material in two cells we call the egg and sperm as haploid and the fertilized cell as diploid, so the two can be easily differentiated.