Answer:
Wind pollinated have light and small pollen grains to be easily carried away. They also lack petals or have small ones, so that the pollen can be exposed and easily swept by wind.
How do you anticipate humans changing over time?
Answer:
the changes apparent in worldwide populations include a decrease in both overall body size and brain size as well as a reduction in jaw and tooth proportions.
Explanation:
In radioactive dating, scientists determine the age of a fossil by
Oxygen atoms are different from the atoms of every other elements (true or false)
false I think, but I don't know for sure
Answer:
True
am not sure but my explanation:
An oxygen atom possesses 8 protons, 8 massive, positively charged nuclear particles. There are also 8 massive, neutrally charged nuclear particles, 8 neutrons in the common isotope, 16O. And orbiting the nuclear core, there are 8 electrons, fundamental particles with negligible mass that each possess a formal negative charge.
Any atom with 8 protons is automatically an oxygen atom by defintion. 7 protons specifies a nitrogen atom; 9 protons specifies a fluorine atom. Of course, oxygen generally takes the form of the dioxygen molecule, O2. The number of protons gives Z, the atomic number, which is different for each element.
Which of the following would be examples of concentration gradients in everyday life? PICK ALL THAT APPLY.
Running up a slide at the playground.
A drop of food coloring spreads out into a glass of water.
The smell of fresh-baked cookies starts from the kitchen and moves to the rest of the house.
The air freshener that you sprayed in the living rooms spreads out.
Answer:
A drop of food coloring spreads out into a glass of water.
The smell of fresh-baked cookies starts from the kitchen and moves to the rest of the house.
The air freshener that you sprayed in the living rooms spreads out.
Explanation:
A difference in concentration of molecules in physical space is called a concentration gradient. An easy to understand example from everyday life is the application and subsequent fading of perfume or aftershave scent.
Answer:
A drop of food coloring spreads out into a glass of water.The smell of fresh-baked cookies starts from the kitchen and moves to the rest of the house.The air freshener that you sprayed in the living rooms spreads out.Explanation:
These are the examples of concentration gradients in everyday life.
Which class of point mutation produces a product with the same amino acid sequence as the wild-type polypeptide?
Answer:
The correct answer is - silent.
Explanation:
Silent mutation is a point mutation that takes place by a single change in a single base nucleotide of nucleic acid and it may or may not change the aminoacid sequence as the wild type protein.
This does not result in any phenotypic or functional change in the protein of the organism. It is a class of point mutation. This change can be substitution in base.
Erythropoietin is a HORMONE produced by the KIDNEYS that simulates (causes) the production of RED BLOOD CELLS. Which three organ systems are interacting when this happens?
Answer:
Circulatory and Urinary. Unsure of third one.
Explanation:
Food chains from four different habitats are shown below.
Ocean: seaweed → sea urchin → squid → shark
Wetland: mosquito → fish → turtle → bacteria
Rainforest: peacock flower → monkey → jaguar → mushroom
Grassland: grass → mouse → hawk → vulture
Which food chain correctly represents a pattern of energy transfer from producer to consumers to decomposer?
Answer:
Is A or C
Explanation:
C makes more sense.
The food chain that correctly represents a pattern of energy transfer from producer to consumers to decomposer is:
Wetland: mosquito → fish → turtle → bacteria
In this food chain, the mosquito is the primary consumer that feeds on the producer (plant) - the energy from the plant is transferred to the mosquito. Hence option B is correct.
What is Food Chain?A food chain is a sequence of organisms in an ecosystem in which each organism feeds on the one before it and is, in turn, preyed upon by the organism after it.
The food chain represents the flow of energy and nutrients through an ecosystem, with producers at the bottom and apex predators at the top. The primary producers in a food chain are typically plants and algae that use sunlight to produce energy-rich organic compounds through the process of photosynthesis.
The fish is the secondary consumer that feeds on the mosquito, transferring the energy to the fish. The turtle is the tertiary consumer that feeds on the fish, transferring the energy to the turtle.
Finally, the bacteria act as decomposers that break down the dead organic matter from the turtle and other organisms, releasing the energy back to the environment in the form of nutrients.
Hence option B is correct.
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How can I make my period cramps go away? I dont like tea but i heard soda helps ??! or if anyone has any suggestions
8. Which national capitals are located within the rainforest area?
Rainforests are the area which covers mostly evergreen forests with tall trees. It is located in capitals like Manaus, capital of Amazonas estado, northwestern Brazil.
What are rainforests?Rainforests are the areas of tall, evergreen forests. It is characterized by closed tree canopy, moisture dependent vegetation, epiphytes, lianas, etc.
Tropical rainforests are located generally in Central and South America, western India, Southeast Asia, etc.
The national capitals that have this type of forest is Manaus, capital of Amazonas estado, northwestern Brazil.
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How do scientists think Prokaryotic Cells contributed to changing Earth’s atmosphere to include more oxygen?
Explanation:
Then, about 2.5 billion years ago, oxygen started getting added to the atmosphere by photosynthetic cyanobacteria. “Oxygen is produced as a waste product of photosynthesis. ... “The production and burial of plant matter over long periods causes oxygen levels to rise,” explains Poulsen
This image shows the body being sectioned along what plane?
the answer choices. I know it is not midline
Frontal
Midline
Sagittal
Transverse
Answer:
Transverse
Explanation:
Answer: Frontal
Explanation:
Student 1: Artificial selection is done on humans and this creates mutations . Student 2: Artificial selection has only recently been done by scientists. Student 3: Different breeds of cows have been created through artificial selection
Which student do you agree with the most and why?
Answer: Student 3
Explanation:
L 4.5.2 Test (CST): Computer-Scored Unit Test
Question 20 of 25
What is a fixed allele?
A. An allele that is found on many genes
B. An allele present in all members of a population
Ο Ο
C. An allele that formed by adaptive radiation
O D. An allele that mutates with each generation
SUBMIT
PLEASE HELP
Answer:
The correct answer is - B. An allele present in all members of a population.
Explanation:
A homzygous variant or allele for all the members of a particular gene is a fixed gene and is the only variant that presents in all the population for that gene.
It takes place when there is all other alleles become extinct and only one remains. The allele frequency of this allele is always 1.00 in the population which means only one allele is present on the locus.
What height in meters must the student climb in order to reach the top of the hill?
Answer:
253 m
Explanation:
The height in meters must the student climb in order to reach the top of the hill is 253 meters. The correct option is B.
What is the height?Height is a measurement of vertical distance, or vertical extent (how “tall” something or someone is) (how “high” a point is).
Climbing is the activity of ascending a steep topographical object with one's hands, feet, or any other part of the body, which can range from the world's tallest mountains (e.g., the eight-thousanders) to little stones.
The image of a mountain is given which is climbed by a person. There are different heights of the mountain is given. The height that is a must-climb by the student to reach at the top is 253 meters.
Therefore, the correct option is B. 253 m is the height of the mountain to reach the top.
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The question is incomplete. Your most probably complete question is given below:
245 m
253 m
236 m
260 m
Which structure is found in the cytoplasm of
a typical plant cell?
A.vacuole
B. cell wall
C.chloroplast
D.cell membrane
Answer:
Explanation:
D
The structure that is found in the cytoplasm of plant cell is vacuole. The correct option is A.
What is vacuole?A vacuole is a cell organelle that is membrane-bound. Vacuoles are relatively tiny in animal cells and help to sequester waste material.
Vacuoles in plant cells aid in keeping water balance. A single vacuole can sometimes take up the majority of the interior space of a plant cell.
Within the cytoplasm of plant cells, there are also large, fluid-filled vesicles known as vacuoles.
Vacuoles typically make up about 30% of the volume of a cell, but they can fill up to 90% of the intracellular compartment.
Vacuoles are used by plant cells to regulate their size as well as turgor pressure.
Vacuole is a structure found within the cytoplasm of plant cells.
Thus, the correct option is A.
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Which of the following is not an organ in the nervous system?
A Brain
B Spinal cord
C Eyes
D Stomach
Which experiment should be conducted as a field investigation?
The increasing trend of sexual assault and violence strongly influences the growth of the number of nurses involved in both forensic and nursing, called forensic nurses.
Answer:
True
Explanation:
Health and justice are two main powerful systems that influence the growth of the number of forensic nurses.
What is a forensic nurse?
Forensic nurses are the registered and the advanced practice nurses which have specific training and education.They provide care to the patients that suffered from prolonged acute health consequences from brutality and abuse.
They are not separate from other medical caretakers, but they are integrated into the overall care needs of individual patients.
Healthcare professionals like forensic nurses is challenged the outcomes of the physical assaults and the violence. Victims of the brutality give the primary outcomes of violence like injury.
Forensic nurses collect the evidence and give testimony that can be used in court, so that the victim get justice and punishment is given to that one who commits the brutality.
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What stage of mitosis is depicted by the image above?
O metaphase
O cytokinesis
O telophase
O prophase
O anaphase
Answer:
Telophase 1 because of the constriction
Explanation:
The cell membrane constricts and divides the cytoplasm in half to form two cells
HELPPP
A can of hair spray has a pressure of 300 psi at room temperature 21°C. The can is accidentally moved too close to a fire and its temperature increases to 295°C. What is the final pressure in the can? (Round answer to nearest whole number.)
What is the purpose of stems in plants?
Answer:
The primary functions of the stem are to support the leaves; to conduct water and minerals to the leaves, where they can be converted into usable products by photosynthesis; and to transport these products from the leaves to other parts of the plant, including the roots.
hope this helps
have a good day :)
Explanation:
Answer:
The primary functions of the stem are to support the leaves; to conduct water and minerals to the leaves, where they can be converted into usable products by photosynthesis; and to transport these products from the leaves to other parts of the plant, including the roots.
Explanation:
hope this helps
how wide and deep is the great pacific garbage patch
Translation is the process of:
a. mRNA being decoded into proteins
b. DNA being copied into mRNA
c. DNA being duplicated
d. mRNA is being copied into DNA
Answer:
A
Explanation:
Because Translation refers to the process of creating proteins from an mRNA template.
The development of this new BLG-free, hypoallergenic milk is based on a science that came to the forefront 150 years ago. What scientist's work provided the basis for such feats in biotechnology?
Answer: Mendel and genetics
Explanation:
A fetus possesses a mutation that causes the diencephalon region of the developing brain to cease growing. Which structures in the mature brain will be missing/abnormal if the fetus survives to birth and childhood
Hypothalamus, pineal gland, and thalamus. Sensory abnormalities, visual-field deficiencies, and alterations in behaviour are all potential consequences of thalamic injury.
Thalamus, hypothalamus, subthalamus, and epithalamus are the four principal diencephalon subdivisions. Recognizing sensory stimuli and relaying sensory impulses to the cerebral cortex (apart from olfaction) are the main duties of the thalamus, which is the brain's biggest division.
One of the primary vesicles that create the brain during embryogenesis is the diencephalon. One of the three main germ layers, the ectoderm, is responsible for forming a neural tube during the third week of development.
Here are the structures that make up the diencephalon:
posterior pituitary epithalamus, thalamus, and hypothalamus
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Define 4 types of teeth(incisors,canines, premolars and molars)
Who answered correct will get a the brainliest answer and a free follow.Have a nice day
The tap water is having a pH of 10
True or false
Answer: True
Explanation: Tap water is made slightly alkaline because acidic water could corrode metal pipes. It depends on country how high pH is. In some countries, where metal pipes are widely used pH could be even 10
Which of the following can occur around a subduction zone?
Two parallel mountain ranges commonly develop above such a subduction zone – a coastal range consisting of sedimentary strata and hard rock lifted out of the sea (accretionary wedge), and a volcanic range farther inland (volcanic arc). Ancient magma chamber rocks can be exposed if subduction stops and the volcanoes erode away.
Explain the reactions from
Glycolysis, link reactions,
Krebs cycle to Electron
transport chain
Explanation:
Glycolysis is the stage where glucose is broken down into 2 pyruvates (3 carbon compounds). This occurs in the cytoplasm and produces 2 ATP molecules. The pyruvates enters the mitochondria and enters the link reactions where it combines with co enzyme A (CoA). Decarboxylation ( removal of CO2) and dehydrogenation (removal of H) occurs here. Since CO2 is removed from the pyruvate it means a carbon is removed. This produces a 2 carbon compounds called acetyl. The acetyl compound is what combines with the CoA to form a compound called acetylCoA. This compound then enters the Krebs cycle.
The CoA co enzyme leaves and the acetyl reacts with a four carbon compound called oxaloacetate. This then forms a 6 carbon compound compound called citrate. A series of dehydrogenation and decarboxylation reactions occur to convert the 6 carbon compound back to oxalaoactate( the 4 carbon sugar). An ATP molecule is formed during one spin of the Krebs cycle.
The electron transport chain is where the reduced NAD (formed from dehydrogenation in glycolyisis, the link reactions and Krebs cycle) and Reduced FAD ( formed from dehydrogenation in the krebs cycle). molecules pass along a series of electrom carriers where they release energy that will be used to make ATP. Oxygen is the last electron carriers
I tried to sum it up as best as possible. If you want in detail explanations of each then I can explain it also.
Label the ways that water and nutrients get into a plant
PLEASE HELP
Answer:
mediante la absorción, por la raíz
Explanation: