Help please this is biology unit 1 test and i’m going to be posting the questions i need help with soo
The answer is D) All of the above.
Here are some definitions:
Herbivore: An animal that feeds on plants.
Heterotroph or Consumer: An organism or animal that gets it nutritional requirements from complex organic substances like plants.
Write a paragraph in the space below, explaining in your own words how electromagnetic radiation is created by the Sun. Describe the difference between the different forms of electromagnetic radiation and how scientists classify the types of electromagnetic radiation.
Answer:
The electromagnetic spectrum is a continuum of all electromagnetic waves arranged according to frequency and wavelength. The sun, earth, and other bodies radiate electromagnetic energy of varying wavelengths. Electromagnetic energy passes through space at the speed of light in the form of sinusoidal waves.
The electromagnetic spectrum is a continuum of all electromagnetic waves arranged according to frequency and wavelength. The sun, earth, and other bodies radiate electromagnetic energy of varying wavelengths. Electromagnetic energy passes through space at the speed of light in the form of sinusoidal waves.Explanation:
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Electromagnetic radiation is created by the sun through nuclear fusion, and there are different forms of electromagnetic radiation, such as radio waves and gamma waves, that are based upon their frequency and wavelength.
What is the significance of the radiation?There are different radiation that are significant, such as radiation that travels through space in the form of electromagnetic waves, and there are multiple applications in industries such as communication, such as in radio and television broadcasts, and many household appliances, such as remote controls, etc.
Hence, electromagnetic radiation is created by the sun through nuclear fusion, and there are different forms of electromagnetic radiation, such as radio waves and gamma waves, that are based upon their frequency and wavelength.
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does anyone know these?
Answer:
6 would be 100% good vision as both the male and female have GG which is good vision. Either way you put it is 100%
For 7 however, it tells you the sense of smell but asks for the fur colour. Is that a mistake or is that the question
You have to make a punnett square
G G g g 100% bad vision 0% good vision
G GG GG G Gg Gg
G GG GG G Gg Gg Both are dominant for bad vision
S s S s
S SS Ss s SS Ss
S SS Ss s SS Ss 100% good sense of smell 0% bad
Both are dominant for good sense of smell
what's the name of the mosquito that causes malaria? I just wanna be sure
There 4 types of connective in the body List the 4 types and then thoroughly explain why these tissues are grouped together as connective tissues What do they have in common?
Answer:
Connective tissues come in a vast variety of forms, yet they typically have in common three characteristic components: cells, large amounts of amorphous ground substance, and protein fibers.
Explanation:
When heat leaves your body, how far could it travel?
Answer:
over 6 ft
Explanation:
Answer:
over 6 feet probably about 10 to 15 ft to be exact.
Explanation:
That is because your heat slowly devolves into chemicals that trees use for oxygen. And if there is no trees around it can take 100's of miles until it gets to trees.
If an organisms has 50 chromosomes in a diploid
cell, how many would be in a haploid cell?
Answer
25
Explanat
Bcz the total number of chromosome are divided into two
Animal and plant cells have thread-like fabrications in their nucleus made up of DNA and proteins. It is the most important for passing the genetic information from the parent to the offspring.
If the organism has 50 chromosomes in a diploid cell, it will have 25 chromosomes in a haploid cell.
This can be explained as:
Diploid is a cell condition in which the chromosomes are found in pairs and is represented as 2n. They have one set of chromosomes from each parent.Haploid (n) is a cell condition when there is only half the number of chromosomes present or when there are only chromosomes from the single parent.Therefore, in the haploid condition 25 chromosomes will be present.
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The gene for the hair pattern called a "widow's peak" is dominant. In a population of 100 people, 50 people have a widow's peak. How many people would you expect to be heterozygous for the trait?
50 people because the widow's peak is dominant. Those who don't have a widow's peak do not have the gene.
If the gene for the hair pattern "widow's peak" is dominant, it means that individuals with at least one dominant allele will express the trait. We would expect 50 people to be heterozygous (Ww) for the widow's peak trait.
Heterozygous refers to a genetic condition in which an individual possesses two different alleles for a specific gene. Alleles are alternate forms of a gene that can code for different variations of a particular trait. In a heterozygous individual, one allele is dominant and the other is recessive.
The dominant allele is expressed in the phenotype, meaning it determines the physical appearance or characteristic, while the recessive allele remains hidden and does not show in the individual's observable traits. The notation for a heterozygous trait is typically represented by two different letters, one for each allele (e.g., Aa).
Assuming that "W" represents the dominant allele for widow's peak, and "w" represents the recessive allele.
Given that 50 people in the population have a widow's peak (homozygous dominant, WW), we can deduce that the other 50 people must have the genotype for heterozygous (Ww) to express the trait.
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Ahemisphere is ______ of the Earth
A. one-half
B. one-third
C. two-thirds
D. three-quarters
Answer:
A. one half
Explanation:
the earth is divided into the northern and southern hemisphere.
What are some problems that can occur from an altered gene that makes hemoglobin? (Site 1)
Answer:
If mutations that produce hemoglobin S and beta thalassemia occur together, individuals have hemoglobin S-beta thalassemia (HbSBetaThal) disease. Abnormal versions of beta-globin can distort red blood cells into a sickle shape. The sickle-shaped red blood cells die prematurely, which can lead to anemia
Explanation:
Answer:
If mutations that produce hemoglobin S and beta thalassemia occur together, individuals have hemoglobin S-beta thalassemia (HbSBetaThal) disease. Abnormal versions of beta-globin can distort red blood cells into a sickle shape. The sickle-shaped red blood cells die prematurely, which can lead to anemia.
Explanation:
Enzymes decrease the activation energy needed for a reaction.
True
False
Answer:
true false
Explanation:
Answer:
True
Explanation:
I dont really have one. But it's true.
Is it possible for an inverted pyramid to exist
Answer:
An inverted pyramid of numbers can be found in an ecosystem where the community contains a few producers with a very large biomass that support a larger number of smaller consumers. An inverted pyramid of numbers can also be found in an ecosystem where the community contains parasites.
Describe the difference between the different forms of electromagnetic
radiation and how scientists classify the types of electromagnetic radiation.
Answer: Light is a form of electromagnetic radiation. Other forms of electromagnetic radiation include radio waves, microwaves, infrared radiation, ultraviolet rays, X-rays, and gamma rays. The only difference between them is their wavelength, which is directly related to the amount of energy the waves carry. Scientists classify them by the frequency of their wavelength, going from high to low frequency. When a wave has a lot of energy, it could be a gamma ray or x-ray. If it has low frequency, it has less energy and could be a TV or radio wave.
Explanation:
Hellllpppppoo101010010101
Answer:
8
Explanation:
He is was a modern scientist(microbiologist and biophysicist).
The number one reason organisms become endangered and/or go extinct is because of
a. poaching/illegal hunting
b. invasive species
c. pollution
d. habitat loss
Answer:
d) habitat loss
Is there a symbiotic relationship between plants and water? If so, what effect does it have on their ecosystem?
A. Yes, there is a symbiotic relationship that is beneficial to both.
B. No, this would not be a symbiotic relationship
C. Yes, there is a symbiotic relationship that is beneficial for the plant but harmful to the water.
Pls help me with this :(
Answer:
a
Explanation:
because it is beneficial in both plant an water
Answer:
(B) No this would not be a symbiotic relationship.
Explanation:
this is because symbiotic relationship is where the two organisms have a mutual relationship where they depend on each other. The plants depend on water for their growth while the water does not depend on anything from the plants.
An example of a symbiotic relationship is between rhizobium bacteria and leguminous plants.The rhizobium bacteria gets shelter and food from the leguminous plants while the leguminous plants use the bacteria to convert nitrogen in the air to nitrates through a process called nitrogen fixation.
Which of the following correctly describes the function of the cell wall?
The cell wall provides rigid support and protection for the cell.
The cell wall is a network of fibers inside the cell that gives the cell its shape.
The cell wall is a barrier that allows certain substances into and out of the cell.
The cell wall is a series of folded membranes that produces and distributes proteins in the cell.
The cell wall is a layer outside the cell membrane and provides rigid support and protection to the cell. So, the correct option is A.
What is a cell wall?A cell wall is a thick and rigid layer composed mainly of polysaccharides present outside of the cell membrane that protects the cell. A cell wall is a part of a cell but it is not a living component. Unlike the cell membrane, a cell wall is totally permeable in nature.
The cell wall of different kinds is present in plants, fungi and prokaryotes. Animal cells do not have a cell wall.
The cell wall in fungi is made up of a polysaccharide called chitin. This component is also present in the exoskeletons of arthropods.
The cell wall in the case of prokaryotes is made of a polysaccharide called peptidoglycan. Prokaryotes have 2 layers in their cell wall.
Plants contain cell walls made of cellulose. The plant cell wall has 3 layers. These are pectin, cellulose and hemicellulose. It also contains a small number of minerals.
The materials required for the formation of the cell wall are a special kind of polysaccharide called structural polysaccharides. The monomer for these polysaccharides is glucose.
Therefore, the correct option is A.
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Which of the following is NOT something you would find a "fluid mosaic" cell membrane?
Answer:
They can be attached to the ends of integral proteins, or not, and help with transport The fluid mosaic model of the cell membrane is how scientists describe what the If you were to zoom in on the cell membrane, you would see a pattern ofc These kinks play a role in membrane fluidity because they increase the space
Explanation:
What do the arrows represent?
Answer:
Arrow one is interphase, arrow two is mitosis
Explanation:
Interphase has the g1 and g2 phases
you got the answer right in the picture
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Please answer! It’s 5 days over due
Answer:
Bone marrow is the spongy tissue inside some of your bones, such as your hip and thigh bones. It contains stem cells. The stem cells can develop into the red blood cells that carry oxygen through your body, the white blood cells that fight infections, and the platelets that help with blood clotting.
Answer:
Bone marrow is a spongy tissue found inside bones.
Red bone marrow involves the production of blood cells. Yellow bone marrow produces cartilage and is important for fat storage.
Which of the following best describes the hydrolysis of carbohydrates
Answer:
The addition of a water molecule breaks a covalent bond between sugar monomers
Explanation:
The digestion of carbohydrates by enzymes is an example of a hydrolysis reaction.
Carbohydrates are chains of monosaccharides. Hydrolysis involves the addition of a water molecule that cleaves the covalent bond between the molecules of sugar.
The reverse reaction is a condensation reaction, the joining of sugar monomers to create a carbohydrate releases a molecule of water.
What is the Connective tissue?
What is the Epithelial tissue?
What is the Muscle tissue?
What is the Nervous tissue?
Answer:
connective: Tissue that supports, protects, and gives structure to other tissues and organs in the body
epithelial: are widespread throughout the body. They form the covering of all body surfaces, line body cavities and hollow organs, and are the major tissue in glands.
muscle: Muscle tissue is composed of cells that have the special ability to shorten or contract in order to produce movement of the body parts. The tissue is highly cellular and is well supplied with blood vessels.
nervous: Nervous tissue is found in the brain, spinal cord, and nerves. It is responsible for coordinating and controlling many body activities.
Explanation:
Answer
Connective tissues gives support, protects and gives structure to other tissues and organs in the body.... example bone, cartilage, blood etc.
Epithelial tissues are spread throughout the body. Their functions include secretion (sweat, mucus), absorption (nutrients) and protection (tissues that lie beneath from radiation) in the body.
Muscle tissue is composed of cells that have the special ability to shorten or contract in order to produce movement of the body parts.
Nervous tissue is found in the brain, spinal cord, and nerves. It is responsible for coordinating and controlling many body activities.
What does the fact that all organisms use essentially the same genetic code suggest about the origin of life?
Answer:
Well this proves that all living things may be related.
Explanation:
For example, when our ancestors had kids, their kids had their DNA, when those kids had kids, they had some DNA from their grandparents and their parents. DNA is shared by reproduction.
A common test for liver function involves sprinkling sulfur powder onto a sample of urine (mostly water with dissolved bodily waste). Sulfur powder sprinkled on a sample from an Individual with impaired liver function will sink because the urine contains a high level of bile salts, while the sulfur powder sprinkled on normal urine samples will float.
Which of the following best explains why bile salts cause the sulfur powder to sink?
A. Bile salts decrease the surface tension of the urine sample.
B. Bile salts increase the water potential of the urine.
С. Bile salts increase the density of the urine sample.
D. Bile salts decrease the strength of the covalent bonds within a water molecule.
Answer:A- Bile salts decrease the surface tension of the urine sample.
QUESTION 1 (POLL)
We can feed more people with grain than with meat and would
take up less space on our planet to do all this.
SELECT AN ANSWER
True
False
This can not be measured
SUBMIT
Answer:
True.
Explanation:
I say true, but we still need both. And it would be really difficult to get an accurate measurement on it.
Answer:
True
Explanation:
Plz give me brainiest If I helped thanks <333 :3
There are three main branches of science. O True O False
Answer:
False
Explanation:
There are lots more than 3 branches of science. Sure you have the popular ones like biology but it isn't considered a main branch.
Answer:
True
Explanation:
There are three main branches of science. They are physical science, earth science, and life science.
Weather conditions can be predicted based on the shapes and heights of clouds cumulus clouds like the one shown in the picture or large white clouds that float low across the sky when present what is the weather most likely like??
A) cold
B)Fair
C)Humid
D)Rainy
Answer: the answer is b
hope this helped
3) Two plants are grown using the same light and pots. One plant is given water that has been
microwaved and the other plant is given regular tap water. Their height is measured after 2 weeks.
What is not a constant in the experiment ?
Light
Soil
Plant
Water
Answer:
Water
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The human appendix, a vestigial structure, is part of which structure.
Answer:
Appendix, in anatomy, a vestigial hollow tube that is closed at one end and is attached at the other end to the cecum, a pouchlike beginning of the large intestine into which the small intestine empties its contents. It is not clear whether the appendix serves any useful purpose in humans.
The answer is anatomy.
Which two words are paired correctly?
Overtebrate, endoskeleton
Oinvertebrate, endoskeleton
Overtebrate, autotroph
O invertebrate, autotroph
I NEED ASAP
Answer:
vertebrate, endoskeleton
Answer:
two words are paired correctly is vertebrate, exoskeleton have a good day mine is bad but have a good day
Explanation:
i did the test