Answer:
Red Blood Cells The red blood cells contain hemoglobin, which is responsible for the transport and delivery of oxygen to other body tissues.
Nerve Cells Nerve cells or neurons are responsible for carrying electrical signals to and from the brain and spinal cord.
Muscle Cells Muscle cells are responsible for contraction and relaxation so as to cause motion of body parts.
Explanation:
name three functions of lipids in organisms
cell membrane and signalling
Steroids include substances such as?
Answer:
The steroid core structure is typically composed of seventeen carbon atoms, bonded in four "fused" rings
Explanation:
Answer:
testosterone:an anabolic steroid... principal sex hormones
dexamethasone:a synthetic corticosteroid drug
cholic acid
How does eating food benefit an animal?
Select all that apply.
The animal gets raw materials from the food.
The animal gets energy from the food.
The animal gets water from the food.
The animal gets heat from the food.
Answer:
2)The animal gets energy from the food.
3)The animal gets water from the food.
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Explanation:
The animal gets energy from the food and The animal gets water from the food. Thus option B and C are correct.
What are the animal originated food ?The food we get from animal source called as animal based food. These are rich in nutrients, proteins, calcium, etc.
Milk is an important animal food product produced from cows, goats, donkeys, camels.
It is an ideal food highly rich in protein, calcium, vitamins etc.
Eggs produced from hens from poultry can be used major parts of the world.
Meat are used from different source of animals such as ducks, rabbits, goats, sheep, hens, pigs, etc.
It can be up two types such as red meat and white meat.
Red meat have lots of fat and cannot be easily digested, the sources are cows, goats, sheep, pigs, etc.
The white meat has less fat and is easily digested and the sources are chicken, fish.
Thus option B and C are correct.
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What Best describes a difference between Prokaryotic cells and eukaryotic cells?
Answer:
Eukaryotic cells contain organelles that are enclosed in membranes. ... Prokaryotic cells contain a nucleus that is enclosed in a membrane
Respiration is a series of enzyme-catalyzed reactions. Looking at the data below what is the optimum temperature
for the enzymes responsible for respiration?
Answer:
30C
Explanation:
One sign that a chemical reaction has taken place is the production of a gas. The more gas bubbles produced, the more reactions that the enzyme is catalyzing.
The highest number of gas bubbles are produced at 30C. The enzymes have the greatest activity in catalyzing chemical reactions at this temperature.
Therefore, this is the optimum temperature for the enzymes in this experiment.
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Precipitation is one of the main processes involved in the water cycle. It involves the formation of water falling to the ground from clouds and transforming into either rain, snow, sleet, or hail. Which of the following properties of water can be used to explain why when water falls from clouds it is able to form a rain drop? *
A. cohesive ability
B. universal solvent
C. expansion upon freezing
D. moderation of temperature
Answer: A
Explanation: Hydrogen bonds between the water molecules on the liquid surface are relatively strong and pull on each other more than air molecules. This bond strength results in surface tension that tends to minimize the liquid surface area and produce a spherical raindrop.
Precipitation is the one of the main processes in the water cycle. It involves the formation of clouds and transforming into either rain, snow, sleet, or hail. This is possible due to the property of cohesive ability of water molecules. Thus, the correct option is A.
What is Precipitation?
Precipitation is one of the main processes involved in the water cycle. It is the liquid or frozen water which forms into the atmosphere and falls back to the Earth in the form of rain, sleet, snow, or hail. It comes in many different forms. Along with the evaporation and condensation of water, precipitation is one of the three major parts of the global water cycle.
Precipitation is achieved by the cohesive ability of the water molecules which explains the formation of clouds and rain drops. Cohesive forces are responsible for binding the compounds together such as a rain drop containing water molecules.
Therefore, the correct option is A.
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How does high specific heat help aquatic organisms?
Answer:
Explanation:
Due to its high heat capacity, water is used by warm blooded animals to more evenly disperse heat in their bodies; it acts in a similar manner to a car's cooling system, transporting heat from warm places to cool places, causing the body to maintain a more even temperature.
Carbon monoxide has ____ of oxygen.
zero atoms
one atom
two atoms
Answer:
carbon monoxide (CO)
1 oxygen atom
A landscaper is shopping for landscaping materials. She wants to use materials through which water flows easily. Which two materials should she choose? Clay and gravel gravel and loosely packed soil granite and rocks with cracks rocks with cracks and clay
Answer:
The correct answer is - Clay and gravel
Explanation:
Water can flow from the substance or material with greater porosity which is the number of pores resent in the particles of soil for easy exchange of water and gases.
Clay particles exhibit a higher amount of pores that permit the water to flow from it. Gravel allows water to pass from it as it is a loosely packed fragment of rocks
Answer:
gravel and looselypacked soil
Explanation:
The producers represent the second trophic level.
True or false
Look at the images below and order them from smallest to largest, using 1 for the smallest unit and
3 for the largest
Plant Cell
Atom
Molecule
When a trait is shown and at least one letter is upper case.
A) dominant
B) recessive
C) trait
D) allele
Answer:
maybe trait?
Explanation:
dunno lol
Answer:
When a trait is shown and at least one letter is upper case, it is a dominant allele (option A).
Explanation:
In genetics the presence of a dominant allele - represented by a capital letter - is sufficient to suppress a recessive allele, expressing the dominant trait in the phenotype.
Dominance is based on allelic combinations of the genotype, which are expressed in the phenotype for a given characteristic:
Two dominant alleles (AA) express the only possible trait, dominant.One dominant allele and one recessive allele (Aa) show a dominant phenotype, as the former suppresses the latter. It is a hybrid or heterozygous.Two recessive alleles (aa) show a phenotype with the recessive trait.The other options are not correct, because:
B) Recessive is the allele that is only expressed in the phenotype when there is a pair in the gene.
C) Trait is equivalent to a characteristic.
D) Allele represents the different ways in which a gene is expressed.
what is ostia in biology
Answer:
An ostium (plural ostia) in anatomy is a small opening or orifice.
Explanation:
Simple term for explaining an opening
Which pair of properties apply to both mechanical and electromagnetic waves?
A.
Both waves carry energy and refract
B.
Both waves are longitudinal and refract
C.
Both waves are transverse and carry matter from one place to another
D.
Both waves carry energy and do not need a medium to travel through
Answer:
A. Both waves carry energy and refract
Explanation:
There are two major types of waves viz; mechanical waves and electromagnetic eaves. Mechanical waves such as sound waves are waves that require a medium or matter to pass/travel through while electromagnetic waves like light waves do not strictly require a medium to travel i.e through vacuum.
Electromagnetic waves are transverse waves i.e their particles move perpendicularly to the direction of the wave while mechanical waves can either be transverse or longitudinal. All waves carry energy from one medium to another and are capable of refraction i.e. change of direction.
Therefore, both mechanical and electromagnetic waves carry energy and refract.
which lunar phase occurs when the moon is directly across from the sun with the Earth in the middle. During this phase we see light reflected off the entire near side of the moon
HELPP ASAP AND THANKSS!!
Answer: A and B
Explanation:
PLZ ANSWER THIS IS MY SECOND TIME POSTING AND IM WASTING MY POINTS SO PLZ HELP! HAVE A GREAT DAY! REWARDS WHEN SOMEONE ANSWERS CORRECTLY :D
Explain the importance of the location of female cones found in cone-bearing trees?
The female cones are heavier and bigger than male cones therefore; it needs to be in the bottom.
More animals eat the male cones therefore; it needs to be located at the top of the tree.
The female cones' location is important because male cones drop their pollen from the top of the tree.
More animals are attracted to female cones therefore; it is easier to reach them at the bottom.
Answer:
The correct answer is B.
Explanation:
Sorry, I got a little sidetracked. lol
Have a great day!
Answer:
The female cones' location is important because male cones drop their pollen from the top of the tree.
Explanation:
Their are both male and female cones. The male cones at the top contain pollen, and it falls to the bottom. The female cones at the bottom catch the pollen with their scales and uses it for fertilizing the soon-to-be seed.
:D
Which of the following is not a key ingredient in cloud formation?
particles. drizzle. water vaper. drop in air pressure
Answer:Drizzle
Explanation:
Clouds require water vapor, particles the vapor can condense around, and a drop in air pressure to form.
Cloud formation is a process that begins with a drop in air pressure. An ingredient that is not key in the formation of clouds is;
A. DrizzleDrizzle is not an important factor in the formation of clouds. Clouds are formed when water and ice are suspended in the air.
The process of cloud formation begins when the terrain is heated up by the sun.
Wind blows more around the areas of low pressure thus causing the rising of warm air which holds up water.
After some time, this air becomes condensed and falls down as rain.
Summarily, Drizzling is not an important part of cloud formation.
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when two different species live in the same area and use the same limited resources what occurs?
In interspecific competition, members of two different species use the same limited resource and therefore compete for it
The reaction has one reactant and at least and at least two products
The protein, lipid, and carbohydrate compositions of the cytoplasmic and extracellular sides of membranes are different from one another. Why is this the case? (3 points)
a) Some membrane components are synthesized outside of the cell, while others are synthesized in the cytosol.
b) The two sides of a cell membrane face different environments and carry out different functions.
c) The molecular composition of the inner and outer layers of the cell membrane is determined by genes.
d) Proteins only function on the cytoplasmic side of the cell membrane, which results in asymmetry across the membrane.
Answer:
The protein, lipid, and carbohydrate compositions of the cytoplasmic and extracellular sides of membranes are different from one another , this happens because the two sides of a cell membrane face different environments and carry out different functions.
Explanation:
PROTEINS , LIPID AND CARBOHYDRATES , all are the components of the plasma membrane , located at different sites .
PROTEINS -: The main component of plasma membranes is proteins. Two key categories of membrane proteins are available: integral and peripheral. As their name implies, integral membrane proteins are incorporated into the membrane: they have at least one hydrophobic region that anchors them to the phospholipid bilayer's hydrophobic center. Others just stick partway through the membrane, while others extend from one side of the membrane to the other and on either side are exposed.
On the outside and inside surfaces of membranes, peripheral membrane proteins are found which are bound either to integral proteins or to phospholipids. Peripheral membrane proteins do not stick into the hydrophobic center of the membrane as opposed to integral membrane proteins, and appear to be more loosely bound.
LIPID -: Phospholipids, arranged in a bilayer, make up the plasma membrane 's essential cloth. Since they are amphipathic, they are well-suited for this function, meaning they have both hydrophilic and hydrophobic regions.
The hydrophilic or "water-loving" component of a phospholipid is its head, which includes a phosphate group that is negatively charged, as well as an additional small group that can also be charged or polar.
Its long, nonpolar fatty acid tails make up the hydrophobic, or "water-fearing," portion of a phospholipid. The tails of fatty acids can interact easily with other non-polar molecules, but interact poorly with water.
CARBOHYDRATES -: The main component of plasma membranes is carbohydrates. In general, they are located on the outer surface of the cells and are either bound to proteins (glycoproteins forming) or to lipids (glycolipids forming). These chains of carbohydrates can consist of 2-60 units of monosaccharide and can either be straight or branched.
Hence , the correct option is B.
Which of these is a benefit of naturally occurring forest fires? A) They spread the seeds of some trees. B) They allow the forest to become dense. C) They cause the forest canopy to thicken. Eliminate D) They allow ladder trees to entwine with large trees.
Answer:
A
Explanation:
Here, we want to pick which of the options is a correct answer to being the benefit of naturally occurring forest fires.
The correct answer is that they help to spread the seeds of some trees.
Naturally occurring forest fires ravages the forest and thus work with wind force. They proceed through the entirety of the forest from the point in which they start.
By moving from a particular point in the forest to another point in the forest, they allow for the process of mass movement to naturally occur.
By translocation from one point to another, they take the seeds alongside with them and thus allows for the dispersal of these seeds through the forest
Answer:
the correct answer is A
Explanation:
Help please I will give brainliest
Answer:
hi
Explanation:
Can someone please help me answer this question ?
Answer:
B
Explanation:
Hope This Helps Friend
1. On a hillside there are 100 flowering plants. One géne pair controls flower
height. Tall (T) is incompletely dominant over short (T). There are 81-tall
, plants,
18 medium plants and-1-short plant. What is the frequeney of each allele in the
populätion?
Answer:
There are 180 T alleles on the hillside and 20 t alleles.
81 tall plants have two T, 18 medium plants have one T and one t, short plant has two t.
Explanation:
The tall plants will b TT, medium plants will be Tt, short plant is tt.
A river that is mature would be: *
A. Straight, fast flowing and have erosion on both sides
B. curved, slow flowing and would have more erosion on the outside curve
four students drew different illustrations to show the flow of energy in a field ecosystem. Which of the illustrations below is most accurate?
The correct answer is the second illustration
Explanation:
Energy flows from one level or organism to another as one organism takes nutrients from another. In this context, the first level is plants including oats and these take nutrients from the sun and the soil to obtain energy. On the second level are herbivores including mice that feed on plants. These can be followed by other organisms such as carnivores, for example, foxes and even top predators. Finally, the last level is decomposers these include bacteria and other organisms that can obtain nutrients from plants and animals as they die and decompose.
According to this, the correct diagram is the second one because these shows accurately how energy flow from the sun to plants oats), then to animals (mouse), and finally the energy of plants and animals flows to the decomposers.
Which type of energy pyramid can be inverted?
A) pyramid of numbers
B) pyramid of biomass
C) pyramid of energy
D) pyramids of numbers, biomass, and energy
Answer:B
Explanation:
Answer:
The correct answer is D
Explanation:
When an enzyme is exposed to a temperature higher than its optimum,
what happens?
A)Nothing
B)The enzyme catalyzes the reaction better
C)The enzyme becomes denatured
D)The rate of reaction remains the same
what is the similarities of infographic and article?
Explanation:
Infographics have exploded in popularity in virtually every industry.
From digital marketing to schools and classrooms, infographics are being used everywhere to communicate complex information in a visually engaging way.
If you’re new to design and unsure about what infographics really are, this short guide is created just for you. In this article, I’ll help you understand:
The similarities between infographic and article include the following:
Infographics and articles both provide information about a particular field. Infographics and articles are both linear texts and this implies that a person needs to read them for the person to understand.An article refers to a written composition about a particular topic. It can form a part of a book or publication. Articles are usually written by an expert in a particular field.Infographic refers to graphic visual representations of knowledge and information that's intended to present information. Infographic is the collection of texts, and images to help the readers understand a particular topic.Read related link on:
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