Answer:
Mitosis, Meiosis, and Inheritance
According to the dichotomous key below, how can you tell the difference between female Deinocerites and Culex mosquitoes?
A. Culex have antennae longer than their proboscis.
B. Deinocerites have antennae longer than their proboscis.
C. Deinocerites have a blunt abdomen tip.
D. Culex have a pointed abdomen tip.
Answer:B
Explanation:Culex have antenna shorter than their proboscis
Answer: Deinocerites have antennae longer than their proboscis.
Explanation:
a p e x
Plz help its my last question i will give brainliest!!!!
Which of the following is true regarding enzymes?
Choose 1 answer:
Choose 1 answer:
(Choice A)
A
Enzymes can only be used once during a reaction.
(Choice B)
B
Enzymes are reusable.
(Choice C)
C
Enzymes are usually carbohydrates.
(Choice D)
D
Enzymes denature at their optimum temperatures.
Answer:
I believe the answer is B
Explanation:
An inherited trait that improves the chances of survival and reproduction for a living organism is _______________________.
Answer:
Adapting
Explanation:
Adapting is when the organism slowly changes as each generation goes by because the organism more suited for the environment is going to survive and reproduce while others will have a harder time and more than likely die off.
explain why plants do not burst when immersed in distilled water
Answer:
it becames turgid
Explanation:
Plant cells have plasma membrane and rigid cellulose cell wall. When the cell is placed or immersed in distilled water, the water is absorbed by osmosis. As the cell becomes turgid, the cell wall creates an inward force i.e wall pressure that prevents the cell from bursting.
Answer
According to EasyEliMu,
Plant cells have cells membrane and cell wall. When the cell is placed or immersed in distilled water, the water is absorbed by osmosis. ( This is the reason why plants do not burst!!! ) As cell becomes turgid, the cell created an inward force, wall pressure that prevents the cell from bursting. Isotonic solution- a solution which has the same concentration as the cell sap.
Hope this helps! <3
For several points!
Please Transcribe this DNA strand into an RNA stand.
TAC AAG CGT TCT GCC AAA ATC
Question 5 (1 point) Which letter represents the trough of the wave? B
A
C
E
D
WILL GIVE BRAINLY
Answer:
D
because trough is the lowest or the minimum point and here D represents it.
:))
The point (D) represents the trough of the wave.
What do you mean by wave?In physics, mathematics, and related fields, a wave is a propagating dynamic disturbance of one or more quantities. Waves can be periodic, in which case those quantities oscillate repeatedly about an equilibrium value at some frequency.
Moreover, a wave is a disturbance that moves energy from one place to another. Only energy — not matter — is transferred as a wave moves. The substance that a wave moves through is called the medium.
Hence, the highest surface part of a wave is called the crest, and the lowest part is the trough. The vertical distance between the crest and the trough is the wave height. The horizontal distance between two adjacent crests or troughs is known as the wavelength.
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Which of the following is a function of the nucleus in organism 2?
Answer:
The nucleus is an organelle found in most eukaryotic cells, the exception being red blood cells. ...
The primary functions of the nucleus are to store the cell's DNA, maintain its integrity, and facilitate its transcription and replication.
How is it possible that the reactants and products for both chemical equations have the same quantity of carbon, hydrogen, and oxygen atoms, yet the reactants and products are different molecules?
Answer:
Yes, this may be a little confusing when taking a first glance at the chemical equation.
Explanation:
You see, the whole process of balancing an equation is to make sure the reactants and products have the same amount of mass/atoms.
With that being said, the products to appear to be different after going through the chemical change. this is because of what was happening through that process. But, all of these atoms are still within the final product.
For example, if you take water in a container, one with a lid and one without a lid, then you heat up both containers of water, the container that has the lid open will seem like the water is gone, that the atoms are not the same. Actually, if we take a look at the closed container, all of that gas that was formed from the water still has the same amount of atoms contained in it. As for the open lid container, the atoms are all there, but some of them was just released into the air outside of the jar, making it seem like there is less.
#teamtrees #WAP (Water And Plant)
The study of chemicals is called chemistry.
It is possible to have different chemical properties but the same number of elements present in the reactant and the product.
According to the law of mass of conservation of the mass. it states that the number of elements present in the reactant and the product will always remain the same.
Hence, according to this law, the mass and the quantity of the element are the same but the bonds and the arrangement of the elements are different which causes different chemical behavior.
Hence, it is possible.
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How would a small, uncharged lipid move across the cell membrane?
o through simple diffusion, down the concentration gradient
O through simple diffusion, against the concentration gradient
o through facilitated diffusion, down the concentration gradient
O through facilitated diffusion, against the concentration gradient
Answer:
Through simple diffusion, down the concentration gradient.
Explanation:
The phospholipids of the membrane are amphipathic with hydrophillic heads and hydrophobic tails. Other polar molecules cannot go through this hydrophobic interior. Since small uncharged lipids are non polar and hydrohobic, they are able to go through the membrane without the help of transport proteins. Therefore, the last two options can be ruled out because facilitated diffusion includes the use of a protein. Diffusion involves molecules moving down the concentration gradient so the second option can be ruled out.
WILL GIVE BRAINLIEST!!!!!
_?_ are found in all metabolically active cells and are involved primarily in transporting materials within, into, and out of cells.
Vesicles
Ribosomes
Lysosomes
Vacuoles
Answer:
Vesicles
Explanation:
Which best identifies a function of carbohydrates? chool production of antibodies source of energy building of a cell development of hormones
A. production of antibodies
B. source of energy
C. building of a cell
D. development of hormones
Answer:c
Explanation:
I said soo
giving brainliest!
Which method best describes how a homeothermic organism maintains a constant internal temperature, despite changes in its external environment? (4 points)
A. Using negative feedback to decrease its external temperature when it rises above its normal range
B. Using negative feedback to increase its internal temperature when it falls below its normal range
C. Using positive feedback to decrease its internal temperature when it rises above its normal range
D. Using positive feedback to increase its external temperature when it falls below its normal range
Answer:
A
Explanation:
Yes
Answer:
B. Using negative feedback to increase its internal temperature when it falls below its normal range
Explanation:
The question asked about INTERNAL temp and how its stbalized, we know that MOST to ALL of negative feedback is getting the organism to return to its original state, high body temp was its original state, therfore,Using negative feedback to increase its internal temperature when it falls below its normal range, is the correct answer.
I need help asap please help
Answer:
The answer is A
Explanation:
Less genetical diversion isnt good
A certain species of fish (A) preys on a smaller species of fish (B). The smaller species of fish mostly consumes seaweed. What would be the effect of overfishing species A? If species A is overfished, then the drop in population of species A will have a(n) (direct, indirect or cascading) effect on the population of species B. The population of species B will increase. A(n) (direct, indirect, or cascading) effect of overfishing would be a drop in seaweed, because the larger population of species B would consume more seaweed.
Answer:
B. The population of species B will increase, A(n) (direct, indirect, or cascading) effect of overfishing would be a drop in seaweed, because the larger population of species B would consume more seaweed.
Explanation:
As population of Fish A is directly dependent on population of fish B and population of fish B is dependent on seaweed. Overfishing of species A will have a direct effect on species B and population of species B will increase as there will be less predator (species A).
Due to overfishing of species A resulting into increase in species B, there will be an indirect drop in the seaweed, because the larger population of species B would consume more seaweed.
Hence, the correct answer is "B".
Help! In which stages of meiosis are the cells considered diploid?
Answer:
The cell is diploid because the homologous chromosomes are still located within the same cell membrane.
Explanation:
Answer:
homologous chromosomes are still located within the same cell membrane. Only after the first cytokinesis, when the daughter cells of meiosis 1 are fully separated, are the cells considered haploid
Explanation:
name the device that helps you to maintain potential difference across a conductor
Answer:
battery
Explanation:
Any source of electricity, the battery, or the power supply is there to maintain the potential difference across a conductor.
To measure this difference we use VOLTMETER - Instrument for measuring potential differences, voltage differences. It is called a voltmeter as it allows the measurement of the potential difference or voltage that exists between two points belonging to an electrical circuit. The voltmeter, therefore, detects the voltage.
Which statement best describes the energy flow as it passes from producers to tertiary consumers?
A. 10% of the energy is transferred through each trophic level.
B. 100% of the energy produced passes to each trophic level.
C. 50% of the energy produced is transferred through each trophic level.
D. 1% of the energy is lost as heat is transferred through each trophic level.
Answer:
The answer is A
Explanation:
At any given trophic level, only 10% of the energy is transmitted to the next level; the remaining 90% is primarily wasted as heat during metabolic activities. Thus, option A is correct.
What is the role of energy flow in an ecosystem?Typically, only 10% of energy is transmitted from one trophic level to the next. This restriction on the number of trophic levels that an ecosystem may support is referred to as “the 10% rule.” organisms that are alive and the energy they hold.
Each trophic level's energy content diminishes as it progresses through an ecosystem.
The 10% Rule states that only 10% of the energy will be transferred when it moves from one trophic level to the next in an ecosystem.
Therefore, An energy pyramid provides a graphic representation of energy loss at each level of the feeding stages of species in an ecosystem.
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MCO,
Name the acids present in unripe green apple
1. Malic acid
2. Tannic acid
3. citric acid
13. Which statement correctly compares a function of lipids to a function of proteins in the body?
A. Fats insulate the body, and proteins control contraction.
B. Fats cushion the organs, and proteins insulate the body.
C. Fats coordinate body activities, and proteins provide sugars.
D. Fats store energy, and proteins provide the primary fuel for cell respiration.
The correct answer is A.
Fats thermally insulate the body, while proteins like actin and myosin form myofibrils which are the anatomical support for contraction.
Lipids and proteins are the macromolecules present inside living cells. Lipids are made of fats that insulate and proteins are involved in contraction. Thus, option A is correct.
What are the functions of lipids and proteins?Lipids have been the polymers that make the larger molecules and have been constituted of glycerol and fatty acids (triglycerides). These are stored in the fatty tissues called adipose tissues and provide insulation to the body.
On the other hand, proteins are macromolecules constituted of amino acid sequences (polypeptide). These are involved in the muscle contraction that allows the movement and motion of the muscular and skeletal systems.
Therefore, option A. the fats and proteins are involved in insulation and contraction.
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Match with the correct pattern of inheritance.
a. Multiple alleles
b. Polygenic traits
c. Incomplete dominance
d. Codominance
Answer: Multiple alleles
Explanation:
A strand of DNA has the sequence GATTACA. What will be the sequence of the complementary strand of DNA?
Answer:
Pretty sure it is: CTAATGT
I would appreciate some verification but im 75% sure
Explanation:
what are your bones made up of? please list them all! (if you answer correctly, i will mark branliest!)
Answer:
Made mostly of collagen, bone is living, growing tissue. Collagen is a protein that provides a soft framework, and calcium phosphate is a mineral that adds strength and hardens the framework. This combination of collagen and calcium makes bone strong and flexible enough to withstand stress.
During winter's freezing temperatures, some plants can remove water from their cells to reduce the amount of water that will freeze inside them. Why would plants need to do this
Answer:
The expansion of excess water as it turns to ice inside the cells would break the cells apart
Explanation:
We know that water expands anomalously. It expands between 4- 0°C.
Hence water expands upon freezing. Ice has more volume than liquid water and takes up more space in plant cells.
The expansion of excess water as it turns to ice inside the cells would break the cells apart
Which element in period 3 on the periodic table is a metalloid?
magnesium (mg) aluminum (al) silicon (si) sulfur (s)
Answer:
C.) Silicon is a metalloid
Explanation:
edg 2021
Pay attention to what happens to the things around you as you go about
your day. Describe three examples of Newton's third law in action (use
different ones from those described in the lesson). In your examples
describe the action and the equal and opposite reaction.
Answer:
Examples of Newton's third law of motion are ubiquitous in everyday life. For example, when you jump, your legs apply a force to the ground, and the ground applies and equal and opposite reaction force that propels you into the air. Engineers apply Newton's third law when designing rockets and other projectile devices. Two other examples are: As a professor paces in front of a whiteboard, he exerts a force backward on the floor. A car accelerates forward because the ground pushes forward on the drive wheels, in reaction to the drive wheels pushing backward on the ground.
Explanation:
please answer and give explanation too!
I will mark brainliest and 25 points!!
Explanation:
Conditions needed for germinations are water and oxygen.
Seeds B and C has no water whereas Seed D have no oxygen.
Only Seed A has water and oxygen.
Hence the answer is A.
The body consumes carbohydrates to produce energy that is used for cellular processes. Into what molecule is this energy converted for use in the cell?
A- AMP
B- ATP
C- DNA
D- RNA
Ok i have no idea and am kind of doing nine weeks test but i need some help (;
Answer:
dna
Explanation:
I believe its ATP. Hope you do well on your test.
An element with 5 protons, 6 neutrons, and 8 electrons has an atomic number of Group of answer choices
The mass number of an element is the sum of the protons and neutrons. The number of neutrons for a given element is the only number that can change and still have the identity of the element stay the same, (because the atomic number is the number of protons). In this case the mass number would be 11
Photoautotrophs are capable of converting ______ energy into chemical energy.
A.) heat
B.) thermal
C.) light
D.) electrical
help me please!
Pretend your an 8th grader that didn’t look up answers.
PREDICT- What would be ONE result of a loss of groundwater? Justify your answer.