explain four ways in which saprophytes are economically important in nature.
Answer:
They break down dead and decaying organic matter into simple substances
Explanation:
.
I NEED HELP IDENTIFYING THE STAGES!!! PLZ HELP!!!
Interphase, Prophase, Metaphase, Anaphase, or Telophase
Answer:
prophase
Explanation:
how long does it take for sperm to fertilize an egg?
Answer:
It takes about 24 hours for sperm to fertilize an egg....
Explanation:
When the sperm penetrates the egg, the surface of the egg changes so that no other sperm can enter. At the moment of fertilization, the baby's genetic makeup is complete, including whether it's a boy or girl...
Please Help Putting These Answers Where They Go !
Answer:
Can you add a list?
Explanation:
how does high biodiversity help the stability of an ecosystem?
Answer: See explanation
Explanation: High biodiversity help the ecosystem have better stability becuase if a diease affect a certain type of plant, and the ecosystem has high biodiversity only that species will die and the others will live on. But if it has low bio diversity the organism might die out completely.
You are examining a human blood smear under the microscope and note a large cell with a bilobed nucleus and orange-red granules in the cytoplasm. Identify the cell.
what happens if the cell membrane does not pinch inward during telophase?
Answer:
It doesn’t pinch in for a plant cell because a plant cell has a cell wall. It grows a cell plate
I’m animals cells it should pinch in, but if it doesn’t, the cell can’t divide and you just end up with one cell containing 2 nuclei
Which type of tooth is used to fragment foods into ever-smaller chunks by shearing, slicing, crushing, and griding
HELLLP!!!!! Seeds are one way that plants reproduce. What are the reproductive advantages of using seeds to reproduce? What are the two major divisions of seed plants, and how do plants in each of these divisions reproduce?\
Explanation:
1-Seeds provide a protective coat so that the embryo plant can develop when it finds a nice piece of soil.
2-Vascular plants are subdivided into two classes: seedless plants, which probably evolved first (including lycophytes and pterophytes), and seed plants. Seed-producing plants include gymnosperms, which produce “naked” seeds, and angiosperms, which reproduce by flowering.
Here u go <3
Answer:
The Seed Coat. The seed coat is one major advantage seeds have over spores. Nourishment. Each seed contains nourishment for the embryo inside the seed.
Explanation:
Where does the light reaction of photosynthesis take place
Answer:
Takes place in the thylakoids.
A stack of thylakoids is the granum.
Answer:
Light reaction takes place in the thylakoid discs.
What is the blood vessel that shunts blood from the pulmonary artery to the aorta during fetal life called
Answer:
the ductus arteriosus . I hope this helps you
which hormone released from the hypothalamus regulates gonad function?
Someone can do this please
I am here to give the brainiest answer not to get points
Answer: yes
Give 3 examples of microscopic organisms
During subduction oceanic crust is pushed down toward the mantle and _____.
Someone who needs to import wildlife species for scientific research would need to consult the _____ to determine the regulations on moving that species across international borders.
The individual should approach the U.S. Fish and Wildlife Service’s International Affairs Program, in other to determine the regulations on moving that species internationally.
This program through coordinated efforts; protect, restore, and enhance the world’s diverse wildlife resources both domestically and internationally but with a greater focus on international species.
There are different categories of wildlife species based on their abundance and distribution. Some are regarded as foreign endangered and threatened species. And the need to protect these species is priceless.
That's why the import/export of these scarce species is regulated and restricted by laws and legislation.
For whatsoever reason, the U.S. Fish and Wildlife Service’s International Affairs Program should be consulted to determine the movement of these species.
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A network of small arteries called the ___________ provides a blood supply to the tunica externa of very large vessels.
Answer:
vasa vasorum.
Explanation:
Secretory IgA is best described as _____.
A. an opsonizing antibody that facilitates uptake by M cells through Fc receptors
B. a monomeric IgA that neutralizes antigen effectively at mucosal surfaces
C. an inflammatory immunoglobulin that stimulates the chemotaxis of neutrophils into mucosal surfaces
D. a complement-activating immunoglobulin that causes destruction of invasive microflora through the membrane-attack complex
E. a non-inflammatory immunoglobulin that restricts the passage of antigens across mucosal surfaces
Answer:
d.
Explanation:
...
Pith is composed of ______. Multiple choice question. companion cells sclerenchyma cells collenchyma cells parenchyma cells
Answer:
parenchyma cells
Explanation:
You are attempting to carry out a transposon mutagenesis experiment using the pRL27 system. The Donor strain you use was giving to you by a lab mate who has been culturing it continuously for several months. When you set up your control plates, you find that the Donor strain grows poorly on Luria DAP Agar. Your transformation efficiency is very poor for this attempt at mutageneis. What likely happened to the Donor strain
The most likely happened to the donor strain is that the transposon is active in the donor resulting in the gradual accumulation of mutations. The accumulation of mutations is promoted by the insertion of the transposon.
A donor strain is a bacterial strain that contains a mobilizable fragment of DNA called plasmid.
These strains (donor strains) exploit the transference properties of a conjugative plasmid to modify a particular recipient strain.
Transposons, also known as jumping genes, are mobile genetic elements that alter the genome of an organism by jumping and thus inserting them into genetic sequences (i.e., into protein-coding sequences).
In this case, the presence of a transposon in the donor strain affected the expression of many genes required for the donor strain in order to grow into Luria DAP Agar.
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PLS HELP QUICK
A closed, rigid container with a given mass of helium gas is heated until the temperature is doubled.
Which of the following statements is TRUE?
A
The pressure of the gas is halved, because temperature and pressure is inversely related
B
The pressure of the gas also doubles, because temperature and pressure are directly related
C
The pressure of the gas is unchanged, because helium gas is lighter than the air outside the container.
D
The pressure of the gas is unchanged, because there is no relationship between temperature and pressure.
Answer:
i think the answer is B
Explanation:
QUESTION 7
All of the following cells might be a product of meiosis EXCEPT?
OA) an egg
O B) a liver cell
OC) a spore
OD) a sperm cell
E) a gamete
Answer:
B) Liver Cell
Explanation:
An egg and a sperm cell are reproductive cells that are products of meiosis
A spore is produced by meiosis in the sporophyte
A gamete is produced through meiosis
In eukaryotic mRNA, the parts that remain after processing and are translated into amino acid sequences are called the _____.
Answer:
Exons.
Explanation:
In mRNA maturation and processing, a complex called a splicesome essentially "cuts out", if you will, non-coding parts of the DNA sequence to be translated. The parts that are cut out are called "introns", and the parts that are left over that code for a protein sequence, are called "exons". Careful with the terminology. It seems counterintuitive that exons are the ones that stay (exon = exit? NO.) and introns (in, as in, stays in? NO.) are the ones that are cut out of the mature mRNA. Perhaps you can remember that the terms seem to be the opposite, that's how I remember it. Alright, good luck with all of this.
HELP ASAP PLS! just need 1 question:( i don’t understand what it’s asking !:(
Answer:
As the prey population increases, there is more food for predators. So, after a slight lag, the predator population increases as well. As the number of predators increases, more prey are captured.
Explanation:
the organ of smell and taste are closely related discuss?
Answer:
They are closely related because the bose and mouth are connexted through the same airway. You taste and smell at the same time.
Which type of molecule transfers information from the nucleus to the cytoplasm in the eukaryotic cell
Answer:
The RNA molecule transfers information from the nucleus to the cytoplasm in the eukaryotic cell through transcription and translation.
Explanation:
The type of RNA that contains the information for making a protein is called messenger RNA (mRNA) because it carries the information, or message, from the DNA out of the nucleus into the cytoplasm.
Discuss 2 other ways that scientists believe
kingdoms should be divided.
Answer:
Plants and animals? ...The question says two OTHER ways, and I don't know what ways have already been listed.
Explanation:
The two main kingdoms in the animal kingdom are plants and animals.
Scientists also list four other kingdoms including bacteria, archaebacteria, fungi, and protozoa.
Hope this helps answer the question. Comment if you need further help!
sensory information from all parts of the body is routed to
Answer:
the Somatosensory Cortex.
Explanation:
im not sure that is just the anwser.
Why do scientisits use light rays to represent light rays
explain why you have so many responses to one stimulus
Answer:
When a stimulus is detected by a sensory receptor, it can elicit a reflex via stimulus transduction.