Answer:
Cardiac muscle is striated
Explanation:
The organization of myofibrils into sarcomeres gives the cardiac muscle it he appearance of striation. The striations is caused by bands that are made up of the protein, actin. The darker bands are made of myosin.
Which best compares body cells and sex cells?
Both body cells and sex cells are formed through mitosis.
Both body cells and sex cells are produced from a diploid cell.
Both body cells and sex cells involve one cell division of the nucleus.
Both body cells and sex cells are involved in producing a zygote.
Answer:
B)
Explanation:
Answer:
B
Explanation:
ED GE NU IT Y PE OP LE
How long does adaptation usually take? (Plant)
1.a decade
2.an hour
3.A few days
4.Centuries
Answer: The answer is (4), centuries
Explanation:
Plant adaptation is a long-term process that occurs over many generations. It is driven by natural selection, which is the process by which organisms that are better adapted to their environment are more likely to survive and reproduce. Hence option D is correct.
The rate of plant adaptation can vary depending on the environment and the plant species. However, it is generally a slow process that takes many years or even centuries to complete.
For example, some plants have adapted to the cold temperatures of the Arctic over millions of years. These plants have developed thick, waxy leaves that help to insulate them from the cold, and they have also developed a slower metabolism that allows them to conserve energy.
Other plants, such as weeds, can adapt to new environments more quickly. This is because weeds are often generalists, meaning that they can survive in a wide range of conditions. They can also reproduce rapidly, which allows them to quickly spread to new areas.
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a mimic octopus has lost some of its arms, and is in the process of regeneration. Describe a scenario where this ability would provide the octopus an advantage in its environment.
Answer:A shark tries to eat an octopus they fight but the octopus ends up victorious. The shark only got away with one tentacle,
But fortunately for the octopus it will grow back.
The ability of the octopus arm to regenerate is an advantage in the case of
interaction with larger predators.
The octopus is a marine organism which is characterized by the eight arms.
It uses these structures to find food for its survival. The octopus are eaten by
larger predators such as shark, whale etc.
During the interaction with these large predators, there is a possibility of its
arms being eaten alone instead of its whole body which provides it with the
advantage of survival and regeneration of arms for subsequent finding of
food.
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I NEED YOUR HELP!!! Explain the changes that occur as a tadpole becomes an adult frog or toad.
Answer:
Sample Response: Tadpoles have fins, gills, and a two-chambered heart, similar to fish. As tadpoles grow up, they develop legs, lungs, and a three-chambered heart. The tail is reduced in size and lost completely as they prepare to leave the water.
Explanation:
During metamorphosis, a tadpole's gills and tail disappear, hind legs develop first, followed by front legs, and lungs replace gills, resulting in an adult frog or toad.
What is Metamorphosis?Metamorphosis is a biological process that describes the transformation of an animal from one developmental stage to another, such as a tadpole becoming a frog or a caterpillar becoming a butterfly. In frogs, metamorphosis involves a series of changes that occur as the tadpole develops into an adult.
During this process, the tadpole's gills and tail disappear, hind legs develop first, followed by front legs, and lungs replace gills. The skin also thickens and changes, and the digestive system adapts to a new diet. Overall, metamorphosis is a critical part of the life cycle of many animals and allows them to adapt to new environments and ecological niches.
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what is the formula for Glucose
Answer: Glucose also called dextrose one of a group of carbohydrates know as simple sugars.
Answer:
Explanation:
C₆H₁₂O₆
?
If Julie used a syringe on her gelding she is MOST likely
Answer:
Giving an injection or drawing body fluids
Answer:
Giving an injection or drawing body fluids.
Explanation:
help.. Approximately what percentage of our tropical rain forests have
already been destroyed?
a. 10 percent
b. 20 percent
c. 50 percent
d. 60 percent
60% of our tropical rain forests have already been destroyed.
What are the functions of tropical rain forests?Tropical rainforests are rainforests that occur in areas of tropical rainforest climate in which there is no dry season – all months have an average precipitation of at least 60 mm.
Tropical Rain Forests are found in warm and humid areas with annual precipitation of over 200 cm and mean annual temperature above 22 degrees celsius.
Tropical rainforests are forests with tall trees, warm climates, and lots of rain. In some rainforests it rains more than one inch nearly every day of the year.
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Use the drop-down menus to complete each sentence.
А
is an organism that eats other organisms to gain energy; it is also called
A
is an organism that makes its own food; it is also called
is an organism that breaks down waste and dead organisms.
Please help I will try to mark u as brainliest
Answer:
consumer
a heterotroph
producer
an autotroph
decomposer
Explanation:
I got it right
Look at the bean from Days 4-6. Use these data to explain how natural selection changed the number of dark red walking beans over time.
Answer:
When the volcano erupted, the dark red walking beans were easier to see. Thus, more dark red beans were eaten during days four, five, and six. If the pollution continued, there would be fewer and fewer dark red walking beans over time.
Natural selection changed the number of dark red walking beans over time because, after the volcanic eruption, the dark red beans were clearly visible to predator's eyes; hence, they were picked and eaten by them. As a result, their population decreases.
What is natural selection?Natural selection is applied to nature where the environment selects animals and plants that it wants to keep, and this is the result behind diversity in the different ecosystems. The availability of resources in nature prevents the desert from having the same diversity as the tropical rain forest. Nature selects the organisms that are best suited to the environment and reproduces to produce future generations.
Here, the dark red beans were not initially visible, but they became readily visible after the volcanic eruption, which let the predator see them and eat them. Slowly, due to this, their population declines, and this happens due to natural selection.
Hence, as the dark red beans are clearly visible to predators' eyes, and their population is declining.
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An amino acid molecule includes a central carbon atom bonded to _____, a carboxyl group, and a hydrogen atom.
an amino group and three fatty acids
an amino group and a nucleic acid
a nucleic acid and an R group
an amino group and an R group
HELPPPPP PLEASEEEE
Answer:
an amino group and an R group
"Each of the 20 amino acids has a central carbon atom with four covalent bonds. These bonds link the carbon atom to an amino group ( NH2 ), a carboxyl group ( COOH ), a hydrogen atom, and an R group. The R group can be a carbon side chain, a hydrogen atom, or a functional group. " -------- from my textbook.
Explanation:
An amino acid molecule includes a central carbon atom bonded to an amino group and an R group, a carboxyl group, and a hydrogen atom.
COMPONENTS OF AMINO ACID:Amino acid is the monomeric unit of protein molecules. They are linked together by peptide bonds to form dipeptide, polypeptide etc.Structurally, amino acids are made up of three major components namely:
A central carbon atom (C)A carboxyl group (COO)An amino group (NH2)Therefore, an amino acid molecule includes a central carbon atom bonded to an amino group, an R group, a carboxyl group, and a hydrogen atom.
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In a beetle species the red color is dominant over the white color. What is the genotype of any red beetle resulting from this species?
1Points
A
red and white alleles present on one chromosome
B
red and white alleles present on two chromosomes
C
a red allele present on both homologous chromosomes
D
a red allele present on at least one of two homologous chromosomes
Genetic Engineering has led to genetically modified plants that resist insects, pests and bacterial and fungal infections. Which outcome would most likely be a reason why some scientists recommend caution in planting genetically modified plants?
1Points
A
improved agricultural yield and profit
B
increased genetic variation and diversity
C
reduced pesticide and herbicide use
D
unplanned ecosystem interactions
Answer:
D. a red allele present on at least one of two homologous chromosomes;
D. unplanned ecosystem interactions
Explanation:
A dominant allele or trait would always mask the expression of a recessive trait when both are present in a pair. The only way a recessive trait can express itself is when it is in a homozygous state. Since red color is dominant over white color in the beetle species, the genotype of any red color species would have a red alelle present on at least one of two homologous chromosomes. For example, if red allele is represented by R and white allele is r, the genotype of a red nettle species would be RR or Rr.
In the second question concerning the most reason for concern that some scientists recommends caution be taken regarding genetically modified plants is that in the process of introducing new genes into a population, unforseen and unplanned disruption of the ecosystem may occur as a result of interaction with the ecosystem that these process and it's product may present.
The rectal thermometer is the BEST instrument to use when
Answer:
Taking the animals temperature
Explanation:
Rectal temperatures are more accurate so they might also be used in someone who has severe hypo- or hyperthermia to obtain a more accurate core temperature. ... If someone has a heart condition, inserting a rectal thermometer can stimulate the vagus nerve and cause heart arrythmias (irregular heart beats).
Have a great day
6. How can you tell that catalase has been added to hydrogen peroxid
Answer: Oxygen bubbles will form, and that's when one can tell that catalase has been added.
What are abiotic factors? List at least 3 in the environment
Answer:
In biology and ecology, abiotic components or abiotic factors are non-living chemical and physical parts of the environment that affect living organisms and the functioning of ecosystems. Abiotic factors and the phenomena associated with them underpin all biology.
Five common abiotic factors in the enviroment are atmosphere, chemical elements, sunlight/temperature, wind and water.
hope it helps : D PLEASE MARK ME BRAINLIEST
Explanation:
The strong attraction between water molecules is called—-
A-cohesion
B-Magnetism
C-Electricity
D-Polarity
Answer:
Cohesion
Explanation:
Purpose to create gemetes
Answer:
Gametes are cells used during sexual reproduction to produce a new individual organism or zygote.
Explanation:
This is helpful if male ejaculation is not possible, or insufficient.
what is the number of chromosomes in body cells, if in germ cells that number is n?
Answer:it contain 23 pairs of chromosomes,germ cells only have half the number of chromosomes as a diploid cell
Explanation:
What is the lowest starting height from which the skater can start to successfully complete the ramp? Use the data from your chosen ramp design from the "Testing" section of the lab. Be sure to include if your results support your hypothesis.
Answer:
The lowest starting height the skater can be so that he complete the loop is 6 meters.
Explanation:
By using data from your chosen ramp design from the "Testing" section of the lab. The lowest starting height the skater can be so that he complete the loop is 6 meters and the height of the skater is genetic factor.
What is genetic drift?The term genetic drift has been defined as the change in the frequency in the gene variant which has been already existed and in the population the change that takes place is random. There are mainly two types of genetic drift and these are population bottlenecks as well as the second one is the founder effect.
The term hormones means that they are the chemical messengers of the body as they use to travel in the bloodstream to the tissue or the organs. The function of hormones is slow just over the time and they have impact on growth as well as development.
The Adrenal glands are also known as suprarenal glands and they are small in size and they have a triangular shape and they has been located just top of the kidneys.
Therefore, By using data from your chosen ramp design from the "Testing" section of the lab. The lowest starting height the skater can be so that he complete the loop is 6 meters and the height of the skater is genetic factor.
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What do you think the pH of water is?
The pH of pure water is considered to be neutral so it has a pH of 7. However, if you have water that falls below this range, the solutions or substances are considered to be be more acidic than than normal water. On the other hand, if you have water above 7, it is considered alkaline or basic.
In the process of distillation, during condesation the temperature of water decreases Hence absorption of CO2 takes place and some H2CO3 is formed. This is an acid (though very weakly) so water turns acidic. Double distillation enhance this so theoritical pH is 7.0 but practically less than 7.0 (6.2 to 6.8)
How does the digestive system interact with the circulatory system?
A.
Oxygen and carbon dioxide are exchanged by organs in the digestive system, and the gases are carried to the rest of the body by the circulatory system.
B.
Nutrients and gases are absorbed by organs in the circulatory system. Then, they are transported to all parts of the body by organs in the digestive system.
C.
Nutrients taken in and broken down by the digestive system are carried to various parts of the body by the circulatory system.
D.
Messages sent as electrical impulses from the digestive system are transported throughout the body by the circulatory system.
Answer:
C
Explanation:
I just had the test
How are sediment rocks made
Explanation:
Sedimentary rocks are formed when sediment is deposited out of air, ice, wind, gravity, or water flows carrying the particles in suspension. This sediment is often formed when weathering and erosion break down a rock into loose material in a source area.
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If there is a change in the sequence of a DNA molecule, it may cause a different _______ to show up in the protein.
A) Codon
B) Protein
C) Amino acid
D) RNA molecule
Answer:
I think its Amino acid - C
Answer:
It i C
Explanation:
hi my sky betteljust
Answer:
pls mark brainliest pls I need one more
Explanation:
Identify the structures of the digestive system labeled on the diagram to the right. Label F Label G Label H Label I Label J Structures of the digestive system are labeled. Part F is the large organ above and to the left of the stomach. Part G is a tiny organ near the pancreas. Part H is the large intestine. Part I is the rectum. Part J is the anus.
Answer:
First choice answers :
Label A - Pharynx
Label B - Esophagus
Label C - Stomach
Label D - Pancrease
Label E - Small Intestine
Second choice answer :
Label F- liver
Label G- gallbladder
Label H- large intestine
Label I- rectum
Label J- anus
100% got them all correct :)
Answer:
✔ liver - Label F
✔ gallbladder - Label G
✔ large intestine - Label H
✔ rectum - Label I
✔ anus - Label J
Explanation:
The answers were already stated in the question, but this is for anyone who may have overlooked it :)
What is the function of the spinal cord?
It connects the brain to the rest of the body.
It stores information about the rest of the body.
It connects the frontal and parietal lobes.
It stores information about the spinal nerves.
Answer:
It connects the brain to the rest of the body.
Answer:
It connects the brain to the rest of the body .
Explanation:
The function of spinal cord is to connect the brain to the rest and transmit the signals released by brain to rest of the body of better function .
The diameter of the large intestine is larger than that of the small intestine, and the large intestine is also longer than the small intestine. True or False.
True.
False.
Answer:
False
Explanation:
the small intestine is both larger and longer than the big intestine.
The ability for one substance to dissolve into another is
a) Dissolvability
b) Solubility
c) Solvent
d) Solute
Answer:
b)solubility
Explanation:
Hope I helped
:D
Give example of SUTAINABLE USE and UNSUSTAINABLE USE of ANY 4 OF THE FOLLOWINGS: Water, Waste, Food, Paper, Energy, Plastic
Help would be really appreciated! Best answer will be marked as brainliest(so try your best)!
what is happening during each cycle of PCR?
What was the purpose of Miller and Urey's experiment?
A. To determine where genetic information is stored in prokaryotes
B. To measure the number of biological molecules on Earth
C. To find out if archaea and eukaryotes had a common ancestor
D. To see if biological compounds could form spontaneously on early
Earth
Answer:
D. To see if biological compounds could form spontaneously on early Earth