Answer:
The sebaceous glands are responsible for forming sebum
Explanation:
The fat glands are formed by acini and excretory ducts that are the bait formers.
These acini have a highly developed REG in their interior since they have a high protein coding, this is the reason that the acinar cells have a good basophilic color in H&E sections in MO.
what are the tools used in mulching?
Answer:
A square-point shovel works best for moving mulch materials such as pebbles, wood chips and sawdust. A pitchfork works well for loose straw mulch.
Explanation:
Answer:
A square-point shovel
Explanation:
Mulch is divided into organic and inorganic. In both cases, it prevents the soil from drying out, weed growth and soil erosion.
Mulching is a way of mowing the grass in which the cut grass is not bought from the grass surface, but it is cut into smaller parts and scattered on the lawn, and in that way your lawn is fertilized and maintained in the right way.
The best tool for this is lawnmowers.
someone help. ill give brainliest to the correct person. image below.
Answer:
B.
Explanation:
Explain why the frequency of the tusklessness trait is increasing in the African elephant population. Justify your answer using the principles of natural selection.
Answer:
srjddjj and the way I see that one thing is the best thing that can happen is to be able and not to
Explanation:
semester and the next week yea
What does ambulocetus translate to?
Ambulocetus (meaning "walking whale") is an early cetacean with short limbs and large feet used for swimming. Along with other members of Ambulocetidae, it is a transitional fossil that shows how whales evolved from land-living mammals.
Answer:
Walking whale that swims
Explanation:
its a cetacean with short limbs and large feet used for swimming
True or false All organisms in a species will share the same physical characteristics.
Answer:
True.
Explanation:
23. A PCR reaction is performed, and the negative control demonstrates the presence of a detectable number of PCR product (amplicons) by capillary electrophoresis. What is the most likely cause?
Answer:
Contamination of the control sample (negative control) with DNA
Explanation:
The Polymerase Chain Reaction (PCR) is a technique widely used in molecular biology laboratories to amplify a target DNA fragment using primer pairs and DNA polymerase. In PCR experiments, it is imperative to include both positive and negative controls. The positive control refers to the amplification of a PCR product (amplicon) of known molecular size during PCR reaction in order to ensure the correct molecular weight of the target DNA fragment. The negative control refers to the inclusion of a sample without DNA in order to ensure that no contamination with DNA has occurred in the other samples.
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Which of the following increases soil acidity?
planting acid-loving plants
adding compost
adding aluminum
acid rain
Answer:
acid rain
Explanation:
Answer: The correct answer is acid rain
Explanation: This answer has been confirmed correct.
A mangrove community has the following food chain:
Mangrove → mangrove tree crab roseate spoonbil → American crocodile
Which population would be most likely to increase if roseate spoonbills
disappeared from the community?
O A. Mangrove
O B. American crocodile
OC. Roseate spoonbill
OD. Mangrove tree crab
Answer:
D. Mangrove tree crab. There would be a drop in the predators that feed on them. Crocodile populations would drop to food shortage, and mangroves might also suffer from the high crab population, so only D is correct.
Animal cell organelles
Answer:
Nucleolus: Synthesis of ribosomal RNA.
Nucleus: Contains genes (chromatin).
Ribosomes: Protein synthesis.
Vesicle: Transport of materials within the cytoplasm.
Rough endoplasmic reticulum (RER): Protein synthesis.
Golgi Apparatus: Processes, packages and distributes proteins to other organelles for export.
Cytoskeleton: Structural support of cells; facilitates the movement of the organelles.
Smooth endoplasmic reticulum (SER): Lipid synthesis; drug metabolism.
Mitochondria: Produces energy for the cell called ATP.
Vacuole: Protection of the cell, collect waste products and maintain internal pH, among others. (*) Only in some animal cells.
Lysosome: Cellular digestion.
Centrosome: regulate the cell-cycle progression.
Cell membrane: separates the cell from its environment; regulates the movement of materials in and out of the cell.
Answer:
Animal Cell organelles are cell membrane, cytoplasm, lysosomes, ribosomes, a nucleus, mitochondria, the Golgi apparatus or Golgi bodies, ectoplasmic reticulum, and vacuoles.
Explanation:
You might not count the cell membrane and cytoplasm as organelles because they hold the cell together. the cytoplasm is the fluid in which the other organelles float in, and the membrane is like a fleshy crust for the cell.
Plant cells have two more organelles/structures than animal cells. They are the chloroplast and cellwall. Plant cells also have a central vacuole and maybe some few smaller ones, in contrast to animal cells with many smaller vacuoles. Vacuoles are where things the cell needs (like water) are stored.
Please mark Brainliest!
Scientists have discovered that there are reproductive isolating mechanisms that can stop a population from interbreeding and possibly lead to the formation of a new species. What is this process called
Answer:
Polyploidy
Explanation:
The isolating mechanism that is capable of stopping a population from interbreeding, possibly leading to speciation is polyploidy.
Polyploidy is a condition in which a species of an organism will have multiple, instead of a diploid, chromosomal set as a result of an error during meiosis.
Non-disjunction during meiosis can make a gamete have a diploid number of chromosomes in the place of a haploid chromosome. A 2n gamete fusing with an n gamete will result in a triploid organism, 2n plus 2n gametes will result in a tetraploid organism, etc.
If the extra chromosomal set is from the same species, such polyploidy is termed autopolyploidy, otherwise, it is termed allopolyploidy. Having extra sets of chromosomes has the capacity to make an organism to be reproductively incompatible with normal diploid organisms of the same species. However, polyploid organisms can either self-pollinate or cross with another polyploid organism, a process that can lead to sympatric speciation.
When molecules move down the concentration gradient, molecules are moving
from *
an area of low concentration to an area of a higher concentration
areas that are equal in concentration
an area of high concentration to an area of a lower concentration
O areas with low concentration of water to an area of a higher concentration of water
Answer:
(When molecules move in this way, they are said to move down their concentration gradient.) Three common types of passive transport include simple diffusion, osmosis, and facilitated diffusion. Simple Diffusion is the movement of particles from an area of higher concentration to an area of lower concentration.
Explanation:
I think
Which of the following is true about elements?
A.
Elements combine to form compounds in organisms but not in nonliving substances.
B.
Elements do not combine to form compounds.
C.
Elements combine to form compounds in nonliving substances but not in organisms.
D.
Elements combine to form compounds in organisms and nonliving substances.
Answer:
D is the correct answer. Please follow me
Carbon sinks are "stopping up"(no longer able to absorb CO^2)because of _________________and ___________________
Answer:
0 and 2
Explanation:
A volcano on a volcanic island erupts. (No life is present.) Which two-sphere are interacting?
hydrosphere and geosphere
hydrosphere and atmosphere
atmosphere and lithosphere
biosphere and hydrosphere
Answer:
hydrosphere and atmosphere
Explanation:
Answer:
hydrosphere and atmosphere
Explanation:
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A cactus with the genotype Kkww is crossed with a cactus
with the genotype KKWw. Which of the following
genotypes will be shared by 25% of the offspring?
KKWW
KkWw
KKWW
KKww
Answer:
B IS THE ANSWER
According to the question, the genotypes that will be shared by 25% of the offspring are KkWw and KKww. Thus, the correct options for this question are B and D.
What do you mean by Genotypes?Genotype may be defined as the ultimate combination of alleles of genes that are significantly selected for specific studies in order to deliver some results.
According to the question, when the parents with genotypes Kkww and KKWw are crossed with one another. They produce offspring with the genotypes KKWw, KkWw, KKww, and Kkww. Each of them occupies 25% of the total number. The Punnett square of the above cross is well described below:
Therefore, the genotypes that will be shared by 25% of the offspring are KkWw and KKww. Thus, the correct options for this question are B and D.
To learn more about Genotypes, refer to the link:
https://brainly.com/question/22117
#SPJ6
Allie and Roman are trying to graph the blue line shown
on the left. Only one of them has a correct answer.
Allie entered this equation: y = 2x - 8
Roman entered this equation: y=8 - 2x
Who is correct?
Allie
Roman
Explain your thinking.
Answer:
roman
Explanation:
18 points! A BRAINLY IF U ARE CORRECT> QUESTION: When you open the door to a refrigerator for a minute, what happens? Also, Expain your answer.
A. Thermal energy in the air outside the refrigertor is transferred to the inside of the refrigerator.
B. Thermal energy in the refrigerator is transferred to the air outside the refrigerator.
C. The temperature of the air inside the refrigerator decreases.
D. The teperature of the air just outside the refrigerator increase.
Answer:
The Answer is A
Explanation:
Explanation is the thermal heat energy from the outside is transferred by diffusion to the inside of the fridge applicably making the inside hotter and the outside colder in the immediate area.
A widow's peak is dominant over a straight hairline.
The genotypes of the offspring are WW, Ww, ww, and
ww.
A widow's peak is dominant over a straight hairline.
The genotypes of the offspring are WW, Ww, ww, and
ww.
What are the phenotypes of the offspring?
2 widow's peak, 2 straight hairline
3 widow's peak, 1 straight hairline
1 widow's peak, 3 straight hairline
4 widow's peak, 0 straight hairline
Answer:
I think its
C) 1 widows peak 3 straight hairline
Explanation:
Answer:
I believe it is a.
Explanation:
This is becuase 2 are saying that it is dominant for widows peak. And two are saying that straight is dominant.
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Answer:
tundra⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
Answer:
I think its tundra
Explanation:
The Punnett square shows the genotype for scale color in a species of lizard where color is inherited via incomplete dominance. Y
is the allele for yellow
scales, and is the allele for red scales. What percent of the offspring will have yellow scales?
R R
Y
?
?
R?
?
?
A 2/4 -50% will have yellow scales.
4/4 - 100% will have yellow scales.
1/4 - 25% will have yellow scales.
0 0/4 - 0% will have yellow scales.
Answer it is 25 percent
Explanation:
Snapdragons, a flowering plant popular with gardeners, can have red, white, and pink colored petals. When snapdragons with red petals (RR) are crossed with snapdragons having white (WW) petals, the offspring have pink petals. The pink coloration (RW) is a phenotype in between the red and white parental phenotypes. What is this kind of inheritance pattern called?
Answer: Incomplete Dominance.
Explanation: When snapdragons with red petals (RR) are crossed with snapdragons having white (WW) petals, the offspring will have pink petals. This will make the pink coloration (RW). Since both of these genotypes are dominant it is Incomplete Dominance because the R does not completely mask the effects of a recessive allele, which in this case theres none.
2. Which statement below is true regarding cell specialization?
Specialized cells have specialized functions.
Specialized cells are found in unicellular organisms only.
Specialized cells are found in limited numbers in large, multicellular organisms.
Embryos do not contaig specialized cells.
Answer:
Specialized cells have specialized functions
Explanation:
Are gender traits completely a result of societal expectations?
[tex]\huge\star{\underline{\mathtt{\red{A}\pink{N}\green{S}\blue{W}\purple{E}\orange{R}}}}\star[/tex]
No. Gender traits in humans are largely determined by biophysical processes. There seems to be a vocal political faction that is trying to convince people in the name of liberty and equality that gender traits are completely learned, and therefore arbitrary.
But this claim disagrees with scientific evidence. In general, boys play more with cars and girls play more with dolls not because their parents are perpetuating outdated gender stereotypes, but because their brain is telling them to.
This fact does not mean that boys have to play with boy toys, or that boys who play with dolls aren't really boys. It is just a scientific observation about average behavior and its link to fetal development
If the force acting on an object is 50
Newtons and the object moves 0.5
meters, how much work is done?
A. 25 Nm
B. 100 Nm
C. 0.01 Nm
D. O Nm
Answer:
A
Explanation:
Because W =F x S. S indicate displacment
W=50N x 0.5m
25NM
Some protozoans have special organelles called contractile vacuoles that continually eliminate excess water from the cell. The presence of these organelles, and the constant influx of water from the outside environment tells you that the environment
Answer:
is hypotonic to the protozoans
Explanation:
The constant influx of water from the outside environment of the cell tells that the environment is hypotonic to the cell.
A hypotonic environment is one with a lower solute concentration than the cytosol. Hence, water osmotically moves from the environment into the cells of the protozoans. The water needs to constantly be removed from the cells, otherwise, they will become turgid and lyse away their contents.
what is biological diversity??? I have a test on It plzzz help!!!!
Answer:
Biodiversity is the variety and variability of life on Earth. Biodiversity is typically a measure of variation at the genetic, species, and ecosystem level. Terrestrial biodiversity is usually greater near the equator, which is the result of the warm climate and high primary productivity.
Photosynthesis and cellular respiration are two processes that help drive earth carbo cycle carbon
A scientist is conducting research about all the plants and wildlife in the Mojave Desert as well as the desert’s resources, such as water and soil. The scientist is studying
Answer:
An ecosystem
Explanation:
Answer:
D. an ecosystem
Explanation:
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PLEASE HELP 11. A group of lizards living in a desert would be an example of what? (5 points)
Population
O Shelter
O Succession
O Food web
both owls and hawks eat mice. explain why the removal of mice from this food web would likely affect owls more than hawks
Answer:
The hawks would eat the owls leaving their population to decline.
Explanation: