Silent mutation: Silent mutations cause a change in the sequence of bases in a DNA molecule, but do not result in a change in the amino acid sequence of a protein (Figure 1).
Answer: Silemt Mutation
Explanation:
A-pex
1. The parts of the flower involved in reproduction are ________ and __________
2. The anthers bear the ___________the microspore mother cells give rise to _______or pollen grains after meiotic cell division.
Answer:
1. Stamen and pistil
2. Pollen, microspore
Explanation:
The flower is the reproductive part of certain plants called ANGIOSPERMS. They make use of their flower for sexual reproduction. The different parts of the flower work together to achieve a common goal, which is to reproduce, however, they do it in various ways. For example, accessory parts like petals attract pollinators. The major parts of the flower that are directly involved in the reproductive act are STAMEN (male) and PISTIL (female).
The stamen which constitutes a structure called ANTHER bears the pollen grains or microspore, which is made when the microspore mother cells undergo meiotic division. Hence, the pollens are released from the anther of a male flower (stamen), into the stigma of the female flower (pistil).
what did Darwin theorized during his trip around the world
Answer:
Explanation:
his theory about evolution!
i think haha..
Drag each tile to the correct box.
Sort the types of energy according to the order in which they move through this system:
Water stored in dams falls freely with the force to make a turbine move. The turbine moves and produces electricity. This electric energy is
supplied to homes. At home, we use electricity for heating, cooling, and lighting.
Put these in order:
Electrical energy
Light energy
Potential energy
Kinetic energy
Answer:
Electrical energy > kinetic energy > light energy > potential energy
Explanation:
A pathogen that feeds off and causes harm to other organisms is called what?
Hurricanes are generally: ___________.
a. Smaller than mid-latitude cyclones
b. Late summer and early fall storms
c. Areas of strong rainfall and winds
d. Larger than tornadoes
e. All of these
Answer:
The answer is option B "Late summer and early fall storms"
Explanation:
less tropical storms form into Hurricanes. A few great ecological conditions should be available to allow Hurricane. To start with, warm sea waters of in any event 80 degrees Fahrenheit should stretch out to a profundity of 150 feet or more. Warm surface temperatures along are insufficient for typhoon development; there must be a plentiful profundity of warm water to give energy to the tempest. Second, the environment should cool quick enough from the surface upward to permit soggy air to keep on being precarious and convect. Layers of warm air over top stop or "cap" tropical improvement. At long last, there should be minimal vertical breeze shear, that is, change in wind speed, between the surface and the highest point of the lower atmosphere. Solid breezes over top forestall tropical Hurricane development.
A old Cell is called what?
Which type of speciation is based on a small number of individual being
introduced into a new environment?
Answer:
peripatric speciation
Explanation:
When small groups of individuals break off from the larger group and form a new species, this is called peripatric speciation
Cellular respiration is the chemical basis of how cells release energy from foods. When you eat an apple, your cells extract energy. The text below explains how cells use cellular respiration to extract energy from an apple. Choose the parts of the sentence that are incorrect.
The apple first enters the digestive tract through the mouth, where digestion begins with chewing. Enzymes begin to break down the apple in the mouth. From the digestive tract, the glucose from the digested apple is absorbed into the bloodstream, where it is brought to cells throughout the body. In the chloroplast, the glucose begins cellular respiration. The molecules react with carbon dioxide to release energy. Oxygen is produced as waste
Answer:
chloroplast is def wrong
Explanation:
it is mitochondria
bruising of brain tissue
Answer:
Cerebral contusion
Explanation:
a form of traumatic brain injury, is a bruise of the brain tissue. Like bruises in other tissues, cerebral contusion can be associated with multiple microhemorrhages, small blood vessel leaks into brain tissue. Contusion occurs in 20–30% of severe head injuries.
Would the movement of oxygen through the cells?
name three limitations to using an electron microscope to view an organism
you can't see the colour of organisms
you don't have the ability to analize living organisms
artefacts can be easily produced
Which is a sustainable practice?
Answer:
A (the first one)
Explanation:
Sustainable practice include operating wind farms.
What do you mean by sustainable practice?It means that the resources are limited so one should use it wisely and carefully so that it will last long.What are wind farms?"A wind farm also called a wind power station or wind power plant, is a group of wind turbines in the same location used to produce electricity."Coal which is used to produce electricity is a non-renewable resources and will get exhausted after a certain time.So wind farms are set up to generate electricity by using renewable resource(wind).Hence, the correct answer is operating wind farms.
To know more about wind farms here
https://brainly.com/question/23256419
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I need help please?!!!!!
Answer:
a Bicycle and Skateboard
Which of the following are solutions to slow down groundwater depletion?
a -Landscape with native plants
b- promote the use of water resources
c- encourage population growth
d- develop crops that require more water
What TWO things cause denaturation of enzymes:
You can tell the age of a skeleton by looking at:
O1) the length of the femur
O2) the shape of the pelvis
O 3) the number of fused bones
O4) the color of the bones
Answer:
Calculating the age of a skeleton can be done by looking at the number of fused bones (option 3).
Explanation:
The calculation of skeleton bone age takes into account the complete ossification of bones, which occurs at various stages of human development.
In childhood, the epiphyses or ends of long bones are not completely ossified but are formed by cartilage, due to the process of growth. When development is achieved, the growth nuclei and cartilage disappear.
Bone age is a reliable parameter for calculating chronological age, as they are quite approximate.
The other options are not correct because:
1. The length of the femur is useful for calculating height.
2. The shape of the pelvis helps to differentiate the sex.
4. The color of the bones is not a useful parameter to calculate the age of the skeleton.
ow are the inputs and outputs of photosynthesis and respiration related to one another
Answer:
Cellular respiration stores ATP, while photosynthesis releases ATP. Cellular respiration produces oxygen, while photosynthesis uses oxygen. Photosynthesis releases energy, while cellular respiration stores energy. Photosynthesis used carbon dioxide, while cellular respiration produces carbon dioxide.
Explanation:
plz help me I will give brainlyest to first right answer
Answer:
Explanation:
1. Decomposition
2. Fungi
3. Evaporation
4. Precipitation
5. Condensation
6. Rhibizium
Answer:
1. decomposition
2. rhizoblum
3. evaporation
4. precipitation
5. condensation
6. fungi
CORRECT ANSWER GETS BRAINLIEST!!
Explanation:
the last one I think hope this helps
if some can help me with my biology final the whole 25
Answer:
add the answers if you dont know
Explanation:
Answer:
KC is looking at cells in biology class, but he doesn't know where they came from. He sees that the cells under his microscope have cell walls and chloroplasts. Therefore, KC is likely observing cell from:
A leaf that got blown onto the floor.
Plant cells are the only cells w/ chloroplast!
Explanation:
pick me as the brainliest
Chemicals used in chemotherapy treatments to fight cancer can also harm cells in hair follicles and bone marrow.
What characteristic do these cels most likely share with cancerous cells?
O They form tumors.
O They spread through the blood.
• They divide rapidly.
O They contain a mutation.
A
Answer:
They divide rapidly
Explanation:
Some normal cells such as hair follicles cells, mouth cells, digestive tract cells, and bone marrow cells divide rapidly. In mammalians, hair follicle cells are cells localized in the skin, specifically in the dermal layer of the skin. In this region, epidermal cells that form the root of the hair divide rapidly by interacting with neuropeptides, hormones, and immune cells. On the other hand, the bone marrow is a spongy tissue found in bones that contain stem cells (which also divide rapidly). In consequence, it is well-known that high-dose chemotherapy treatments may damage these types of cells.
A student wants to model convection currents in the Earth's mantle. Which of the following should the student use
O Layering three different types of Jello on top of each other.
O Placing whipped cream on top of a pudding mix
O Placing food coloring in a heated container of water
O Stirring cereal in milk.
PLEASE HELP!!! Will give brainliest
How does exercise build muscles?
Answer:
Exercise builds and strengthens muscles, which can protect the bones from injury, and support and protect joints affected by arthritis. Strong muscles also give stability and improve balance and coordination. Exercise also improves blood supply to the muscles and increases their capacity to use oxygen
Hope this helped!
PLS HELP A red flower is crossed with a white flower, producing offspring that are all pink. If two
pink flowers are then crossed, what percent of the offspring will be red?
O 0%
25 %
0 50 %
100 %
Answer: b : 25%
Explanation:
3. Characteristics of Water: Look at the picture below. Describe
at least 3 of the properties of water that are being shown.
Click to add text
Answer:
1.water is testless and colourless
Please help me ?!!!!
Answer:
the last one I am guessing
Explanation:
If right can you give me brainiest
Hope you have a wonderful day:)
what is th pH of Ascorbic acid
Answer:
l -Ascorbic acid is freely soluble in water (300 g/L at 20°C), difficult in alcohol (20 g/L at 20°C) and insoluble in chloroform, ether and benzene. It forms a clear colorless to slightly yellow solution. It has two pKa values: 4.2 and 11.6. The pH of a 5% (w/v) solution in water is 2.2–2.5 [9].
Explanation:
hope this helps if so please brainliest
Merry Christmas
l -Ascorbic acid is freely soluble in water (300 g/L at 20°C), difficult in alcohol (20 g/L at 20°C) and insoluble in chloroform, ether and benzene. It forms a clear colorless to slightly yellow solution. It has two pKa values: 4.2 and 11.6. The pH of a 5% (w/v) solution in water is 2.2–2.5 [9].
If a double-stranded segment of DNA has been found to have 23 purines and 15 thymines, how many guanines are there?
Answer: 4 Guanines
Explanation: Following Chargaff's ratio that describes the ration of purines to pyrimidines as 1:1, if there are 23 purines, it follows that there should be 23 pyrimidines; 15 Thymines should therefore be hydrogen bonded to 15 Adenines by complementary base pairing.
We are then left with 8 nucleotides composed of guanines and cytosines in complementary base pairs. This means that half that number (4) should be guanines and the rest cytosines.
The DNA is a double-stranded molecule, which is made up of purine, pyrimidine, a pentose sugar, and phosphate backbone. Chargaff's rule states that any species will have a stoichiometric ratio of 1:1.
The number of guanines in the double-stranded DNA is 4.
In the DNA, the base pairing occurs as:
The guanines bind with cytosine through hydrogen bonding. The adenine binds with thymine with two hydrogen bonds.In the given nucleotide, there are 23 purines (guanine and adenine). There are 15 thymines in the DNA molecule. Based on the Chargaff rule, the 15 thymines will bind to adenine, leaving only 4 guanines and 4 cytosines. Thus, there will be 4 cytosines left to bond with the guanines to achieve Chargaff's ratio of 1:1.
Therefore, the guanine in the nucleotides will be 4.
To know more about Chargaff's rule, refer to the following link:
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what product is left over after photosynthesis
Answer:
glucose/sugar
Explanation:
Hope this helps!
Answer:
Im pretty sure the oxygen is released from leaves while the energy contained within glucose molecules
Explanation:
Which BEST describes the process of aerobic cellular respiration?
A: a process of energy cornversion that releases energy from food in the presence of Oxygen, forming new cormpounds
B: a process of energy conversion that captures light energy and transforms it into chemical energy
C: a process of energy trarsfer that converts liquid water into water vapor
Answer:
B.) A process of Energy conversion that captures light energy and transforms it into chemical Energy.
Explanation:
Aerobic respiration is the process of producing cellular energy involving oxygen. Cells break down food in the mitochondria in a long, multistep process that produces roughly 36 ATP. The first step in is glycolysis, the second is the citric acid cycle and the third is the electron transport system.