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During prophesy I of meiosis, these pairs form a tetras in a process called _.
From where does the fern get the carbon dioxide required for photosynthesis?
Answer: From the air.
Explanation: On the surface of the leaves of the plants there are a large number of tiny pores known as stomata or stoma. For photosynthesis, green plants take carbon dioxide from the air. The carbon dioxide enters the leaves of the plant through the stomata present on their surface.
A 28 year old woman, 18 weeks pregnant following a one-night stand unprotected sexual encounter, went to her doctor after 36 hours of headache, fever, nausea, and vomiting. Her doctor admitted her to the hospital immediately with a 104F fever and neck stiffness. All neurological exams were otherwise normal. A gram smear of the CSF (test 1) was conducted and revealed gram-negative diplococci and culture on chocolate agar showed small colorless colonies (test 2). The doctors treated her with an antibiotic, but also performed a third test to confirm diagnosis molecularly. She recovered without any complications,
1. What did this patient have?
2. What risk factors made this patient more likely to get this infection?
3. What would this patient be treated with?
4. What type of molecular diagnostic test might the doctors have used and how does it work?
Answer:
1. On the basis of the symptoms given in the question the most possible infection would be Meningitidis by Neisseria meningitides bacteria, gram-negative diplococcus.
2. The infection mostly spread by saliva or droplets while coughing, or sneezing. It can also spread by having oral sex.
3. Antibiotics such as Cephalosporin antibiotic, ampicillin, Penicillin, and Chloramphenicol used in the treatment of Meningitidis.
4. PCR-based meningococcal DNA detection is the main or common molecular level diagnosis of these infections. It amplifies the DNA and amplified PCR products are visualized on gel-based systems. This involves, amplifying, annealing in 5 to 3 prime direction.
What aspect of basterica makes recombainat dna technology effective?
A.bacteria have no dna
B Baxter’s have insulin genes
B.bacteria reproduce very quickly
D.bacteria only have mRNA
PLEASE HELP
Identify the "Four Rs" of solid waste reduction and give an example of how
individuals can apply each strategy.
Answer:
the Department of Recycling & Resource Management uses the "4 R's" - which are: Reduce, Reuse, Recycle and Rethink.
The Department of Recycling & Resource Management uses the "4 R's" - which are: Reduce, Reuse, Recycle and Rethink.
What are the 4 R's of waste disposal explain each in a sentence?The four Rs of waste disposal are:
Refuse: Say no to the non biodegradable wastes Reduce: Decreasing the accumulation of wastes Reusing them wherever possible.Thus, uses the "4 R's" - which are: Reduce, Reuse, Recycle and Rethink.
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Which of the following is a difference between arteries and viens?
arteries carry blood and veins carry only plasma
arteries do not have valves and veins do have valves
arteries are thin and veins are thick
arteries carry blood back to the heart and veins carry blood to the heart
What do the junctions of a cladogram represent?
Answer:
Answer
A cladogram is a visual chart orrepresentation of cladistics. They consist of horizontal or vertical lines connecting various organisms. These different lines branch off from a common point on the cladogram. These branch points represent a common ancestor shared by the organisms that emanate from the branch point.
The junctions of a cladogram represent the branching points in evolutionary relationships between different groups of organisms, and the cladogram is a type of evolutionary tree.
What is the significance of the junction in the cladogram?The junctions in a cladogram can also be used to infer the evolutionary relationships between different groups of organisms based on the pattern of shared derived characters, and the branching points in a cladogram represent the divergence of lineages. The presence of a derived character in multiple groups at a junction in a cladogram indicates that the character was present in the ancestral group, and this is widely used in evolutionary biology.
Hence, the junctions of a cladogram represent the branching points in evolutionary relationships between different groups of organisms, and the cladogram is a type of evolutionary tree.
Learn more about the cladogram here.
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4.3.2 Test (CST): Earth's Plates Question 4 of 6 The pale colors on the map show how likely it is that each area will experience a high-magnitude earthquake. The dark red and black dots show which areas have the highest human population densities. USGS B A А Most likely C pls help
Answer: Region C, in the California area
Explanation:
This area is at the highest risk for earthquakes according to the color key on the map (red being the most vunerable, green being the least), and has a high population density. Compared to other regions, citizens in region C should be most prepared for earthquakes.
Region C, in the California area will experience a high-magnitude earthquake.
What is Earthquake?
It's a sudden violent vibrations of high intensity of the ground which causes great destruction, due to movements within the Earth's crust.
Given area is at the highest risk for earthquakes ,according to the color key on the map and has a high population density. When compared with other regions, citizens residing in region C should be most prepared for earthquakes.
Thus, region C is most likely to have Earthquake.
Learn more about Earthquake.
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can you please help me
Answer: 41. primary. 42. temporary storage. 43. secondary. brainliest?
Explanation:
If a codon has the nucleotide sequence UGA, what does the corresponding
anticodon have as its sequence?
A) UGT
OB) UGA
C) ACT
D) ACU
3
Scientists discovered a new organism that thrives on the leaves of palm trees. The organism
is eukaryotic, unicellular, and reproduces through binary fission. It also makes its own food
through photosynthesis. This organism's characteristics most closely match the characteristics
of which Kingdom?
(2 points)
Answer:
Plant
Explanation:
The organism characteristics most closely match to characteristics of plant kingdom
How long is a lunar cycle?
Answer:
29.5 daysThe Moon has phases because it orbits Earth, which causes the portion we see illuminated to change. The Moon takes 27.3 days to orbit Earth, but the lunar phase cycle (from new Moon to new Moon) is 29.5days(~￣³￣)~keep on learning.I know its helpAnswer: Hewo, there! your Answer is Below
29.5 Or 30 Days
Explanation:
all lunar calendar months approximate the mean length of the synodic month, the average period the Moon takes to cycle through its phases (new, first quarter, full, last quarter) and back again: 29–30 days.
Hope this helps you
Have a great day!!
6) What are the 3 qualities of light that affect organisms?
Answer:
intensity, duration and quality
Explanation:
Light energy is used in photosynthesis, the plant's most basic metabolic process. When determining the effect of light on plant growth there are three areas to consider: intensity, duration and quality. Light intensity influences the manufacture of plant food, stem length, leaf color and flowering.
Answer:
Intensity, duration, and quality.
Explanation:
Not sure though
Which of the following things is not made of wither fermentation?
Cheese
Yogurt
Bread
Peanut butter
Chocolate
Answer:
peanut butter not very sure
n 2000, Bob Harmon discovered the best-preserved Tyrannosaurus rex skeleton ever found. The fossilized dinosaur was sticking out of the wall of a canyon in Montana. Many scientists were eager to study the fossils.
Dr. Mary Schweitzer got one of the leg bones to analyze. Dr. Schweitzer’s assistant dissolved the bones in acid and discovered that some soft tissue had survived even after 68 million years. The discovery was a shock to the scientific community. No one had ever found such old tissues.
Before laying eggs, female birds store calcium inside their bones that they will need to make eggshells. This layer of bone is called medullary bone. In the T. rex leg bone, Dr. Schweitzer found tissue just like the medullary bone of birds. The dinosaur was a female! If Dr. Schweitzer’s hypothesis is right, she is the first scientist to identify the sex of a T. rex. Which organ system includes the bones?
A. skeletal system
B. muscular system
C. reproductive system
D. integumentary system
Bob Harmon discovered the best-preserved Tyrannosaurus rex skeleton ever found and is the first scientist to identify the gender of a T. rex, the organ system is the skeletal system, as it includes the bones that are present in Option A.
What is the significance of the skeletal system?The skeletal system, which provides structural support, is important for animals as it protects vital organs, supports muscles, and helps in movement. Also, the bones synthesize the blood cells, such as the red blood cells, which carry nutrients and oxygen, it also maintains the individual's balance and posture and provides a veil over the fossil records.
Hence, Bob Harmon discovered the best-preserved Tyrannosaurus rex skeleton ever found and is the first scientist to identify the gender of a T. rex, the organ system is the skeletal system, as it includes the bones that are present in Option A.
Learn more about the skeletal system here.
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What is the outcome of glycolysis?
A. Two molecules of pyruvate and two molecules of ATP.
B. Four molecules of ATP.
C. ATP, NADN and FADH..
What process is responsible for satisfying the third tenet of the Cell Theory, which states that new cells originate from other living cells?
Answer:
Cell division
Explanation:
Everything starts from the union of a sperm and an egg, which gives rise to a cell, which has to become an adult organism. For this, this cell divides in such a way that in each division exactly the same genetic information is maintained. The cell is the reproductive unit of living beings. Throughout its life the cells are nourished and increase in size. When a cell reaches the appropriate size, it usually gives rise to two cells similar to the original cell. Cell Theory is one of the fundamental bases of biology and it is where the base of the constitution of living beings and the fundamental role of cells in them is summarized. It is formulated in the first place thanks to observations and formulations of Theodor Schwann ( physiologist) and Matthias Schleiden (botanist).The current third principle of cell theory, formulates that a cell comes from another cell, by cell division or by formation from stem cells. The oldest and most primitive cells in the world are prokaryotes (without a cell nucleus).
What percentage of the offspring will be purebred dominant? (Help, if you responded thank you)
Answer:
25%
Explanation:
it is only 25% percent because it said purebred which means two identical alleles and YY was the only purebred dominant trait. It is also 25% because you split it up into fours. Its like splitting up a dollar. One trait means 25% two traits 50% three traits 75% 4 traits 100%. hope this helps
The atmosphere protects living things from harmful rays that come
from
water
soil
the Sun
heat
Answer:
the sun
Explanation:
it produces harmfull UV Rays
You are interested in understanding the regulation of nuclear lamina assembly. To create an in vitro system for studying this process you start with partly purified nuclear lamina subunits to which you will add back purified cellular components to drive nuclear lamina assembly. Before you start doing experiments, your instructor suggests that you consider what type of conditions would be most amenable to the assembly of the nuclear lamina from its individual subunits in vitro. Which of the following additions do you predict would be most likely to enhance the assembly of the nuclear lamina?
a. addition of phosphatase inhibitors
b. addition of ATP
c. addition of a concentrated salt solution that is 10 times the concentration normally found in the nucleoplasm
d. addition of protein kinase inhibitors
Answer:
d. addition of protein kinase inhibitors
Explanation:
The nuclear lamina is a structure composed of intermediate filament type proteins that is located between the inner nuclear membrane and the peripheral chromatin of eukaryotic cells. The nuclear lamina is involved in diverse cellular processes including, among others, nuclear/chromatin organization, control of the cell cycle, differentiation, DNA replication, transcription, etc. It is known that the nuclear lamina disassembles during mitosis and post-translational phosphorylation at specific residues of the nuclear lamina proteins modulate the polymerization state of this lamina during the cell cycle. For example, in chicken, it has been shown that protein kinase C phosphorylation inhibits the nuclear import of lamin B2, a nuclear intermediate filament protein.
what are the different between plant and animal cell.
Answer: A plant cell contains a large, singular vacuole that is used for storage and maintaining the shape of the cell. In contrast, animal cells have many, smaller vacuoles. Plant cells have a cell wall, as well as a cell membrane. Animal cells simply have a cell membrane, but no cell wall.
Explanation:
explain in your words indigenous knowledge
Answer:
is the unique knowledge confined to a particular culture or society. It is also known as local knowledge, folk knowledge, people's knowledge, traditional wisdom or traditional science.
Explanation:
name the group of algae most closely related to plants
Answer:
because it is a living thing.
and plants are living organisms?
what is the meaning of love ? ...What is love?
Answer:
Love is a feeling
Explanation:
Answer:
Love is a feeling, it's when you have affection for someone and you trust them and care about them. The power of love is always strong.
Stay hydrated and Keep Smiling :)
The EKG is hooked up, and Mr. M's trace looks very abnormal. His heart rate is low. The T wave, which indicates repolarization of the ventricles, is unusually large and pointed and the QRS wave, which indicates the depolarization impulse’s passage through the ventricles, is widened or slowed. "That's a classic EKG for hyperkalemia (high blood potassium)!" The doctor gives Mr. M an injection of calcium gluconate. Calcium ions block the Na+ channels on nerve and muscle cells. How will this help counteract the effects of high blood K+? g
Answer:
This question lacks options, options are: Mr. M's cells are depolarizing too easily. Blocking Nat channels will make it harder for them to depolarize, bringing their sensitivity back to normal O Mr. M has too little K* leaving his cells, so we need to block the Nat channels so the Kt channels can stay open and his cells can repolarize properly. Mr. M has too little K* leaving his cells, so we need to block the Nat channels so the Na /K+ ATPase can move Kt out of the cell effectively O Blocking Na* channels cannot help- it will only make his cells fire less, and he already has a weak heartbeat. Mr. M's cells are not repolarizing properly. Blocking Nat channels will help them repolarize normally, bringing their resting potential back to normal.
The correct answer is ''Mr. M's cells are depolarizing too easily. Blocking Na+ channels will make it harder for them to depolarize, bringing their sensitivity back to normal.''
Explanation:
Calcium administration is an emerging treatment modality aimed at restoring the transmembrane electrical gradient of cardiac myocytes. It probably achieves this goal by reducing the resting membrane potential of cells. Calcium antagonizes the effect of hyperkalemia on cardiac conduction, that is, it antagonizes the effects of K on the heart. Its onset of action is immediate, in a few minutes. Calcium gluconate antagonizes the excitability of the cardiac membrane, that is, it decreases the excitability of the membrane and it does not affect serum levels, it is generally accepted that calcium should be administered when there are ECG changes associated with hyperkalemia.
PLEASE ANSWER ILL GIVE BRAINLIEST
Answer: letter C brainliest?
Explanation:
someone pls help w this
Answer:
B.
Explanation:
Janine’s hands are larger than her father’s hands. Which explanation can account for the difference in hand size between father and daughter?
Janine’s large hands may be the result of a genetic mutation.
B
Janine inherited her mother’s hand size.
C
The difference in hand size may be due to an environmental cause.
D
Though some of the above are more likely than others, all of the above are possible explanations.
Answer:
I think it is either D or A
Explanation:
PLEASE HELP TO SOLVE IT I HAVE AN EXAM !!!
An organism has 2 chromosomes in its cells (the diploid number is 2). Calculate the number of chromosomes in a cell in the 5th generation if egg and sperm cells were diploid
Answer:
64
Explanation:
Since the cell has two chromosomes and a diploid number of 2, in each generation, the cell doubles. In the first generation, we have two cells, in the second generation, we have 2 × 2 cells ,in the third generation, we have 2 × 2 × 2 cells. It follows that we have 2ⁿ cells in each generation where n represents the generation.
So, in the fifth generation, n = 5, so the number of cells is 2⁵ = 32.
Since we have 2 chromosomes in each cell, the number of chromosomes in the 32 cells in the 5th generation is 2 × 32 = 64 chromosomes.
How can the planting of new trees help reduce climate change? *
A They help decrease the amount of carbon dioxide in the atmosphere
B They help decrease the amount of nitrogen in the atmosphere
C They help decrease the amount of oxygen in the atmosphere
D They help decrease the amount of hydrogen in the atmosphere
Answer:
A
Explanation
Trees use carbon dioxide from the environment. This will result in a loss of carbon dioxide from the atmosphere leading to a reduce in climate change.