Answers
Answer:
All cells come from pre-existing cells
Explanation:
Related Questions
put the microscope on the table with the arm towards you.
Answers
Answer:
Gently place the microscope on the lab table with the arm facing you. The microscope's base should be resting evenly on the table, approximately 10 cm from the table's edge. 3. Raise the body tube by turning the coarse adjustment knob until the objective lens is about 2 cm above the opening of the stage.
Based on your knowledge of the cell structures of living things, what is one reason viruses are not considered alive?
A.They lack cell walls
B.they lack nuclei
C.they lack chroroplast
D.they lack cell membranes
Answers
Answer:
What does it mean to be 'alive'? At a basic level, viruses are proteins and genetic material that survive and replicate within their environment, inside another life form. In the absence of their host, viruses are unable to replicate and many are unable to survive for long in the extracellular environment.
Answer:
B
Explanation:
The nuclei is basically like the heart of a cell.
what starting materials do cells need for cellular respiration
Answers
Answer:
Oxygen and glucose
Explanation:
both reactants in the process of cellular respiration. The main product of cellular respiration is ATP; waste products include carbon dioxide and water.
Which three structures are found in both prokaryotic and eukaryotic cells?
A. cytoplasm, endoplasmic reticulum, DNA
B. ribosomes, DNA, cytoplasm
C. nucleus, cell wall, cell membrane
D. cell membrane, endoplasmic reticulum, ribosomes
Answers
The answer is B. Prokaryotes do not have endoplasmic reticulum, cell wall, cell membrane or a nucleus. But they do have DNA (just not in a membrane bound nucleus), ribosomes, and cytoplasm.
Most species of animals do not
drink milk once they have
reached adulthood. Which of
these is an animal that DOES
continue to drink milk into
adulthood?
A. humans
B. snakes
C. spiders
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Answer:
if we don't know anything about animals we can say that snakes and spiders complete itself development in an egg.the possible answer is A
What do organisms do with the products of cellular respiration?
Answers
Explanation:
it combine oxygen with foodstuff molecules, diverting the chemical energy in these substances into life sustaining activities and discarding
CAN SOMONE PLEASE HELP ME I ONLY HAVE 1 MIN PLEASE
Answers
Answer:
Fibrinogen is the blood clotting protein
What is special about each organism in the ecosystem
Answers
Under dehydration circumstances in the winter, stomata may close to reduce water loss for the tree. Predict what would result from the closing of stomata. es ) A This would provide more water, increasing photosynthesis. B) This would also stop gas exchange and further limit photosynthesis. This would trap the oxygen produced in photosynthesis and kill the plant. D) This would help the needles gather more sunlight energy, increasing photosynthesis. Energy Transfer
Answers
Answer:this would also stop gas exchange and further limit photosynthesis
Explanation: did this on USA test prep and got it right
This would also stop gas exchange and further limit photosynthesis. Therefore, option B is correct.
What is the mechanism of opening and closing of stomata?The content of cell sap is reduced as a result of the conversion of the organic acids into starch. This causes water to exit hard cells, and a decline in their turgor causes the stomata to close. Stomata therefore open throughout the day and close at night.
The pH of the guard cells controls stomatal opening, according to the starch sugar interconversion theory of stomatal opening. In neutral or alkaline pH, stomata open. When the guard cells are open during the day and closed at night, they contain starch during the day.
Under dehydration circumstances in the winter, stomata may close to reduce water loss for the tree. This would also stop gas exchange and further limit photosynthesis. Therefore, option B is correct.
Learn more about stomata, here:
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What term can be used to describe all cellular respiration?
Tick one box.
А
Aerobic
B
Endothermic
С
Anaerobic
D
Exothermic
Answers
The term that can be used to describe all cellular respiration is Exothermic. Some cellular respiration may be aerobic, some are anaerobic but all the exothermic.
What do you mean by Cellular respiration?Cellular respiration may be defined as the methodology of transforming glucose into a form of energy (ATP) that is useable by cells.
Respiration that occurs in the presence of oxygen is known as aerobic cellular respiration, respiration that occurs in the absence of oxygen is known as anaerobic respiration.
Therefore, the term that can be used to describe all cellular respiration is Exothermic.
To learn more about Cellular respiration, refer to the link:
https://brainly.com/question/2809259
What happens in your body if you are exposed to a virus for which you have
been vaccinated?
A. The altered virus recognizes the natural version of the virus and
destroys it.
B. Because the vaccination remains in your body, the altered virus outcompetes the natural version and you do not get sick.
C. The nonspecific immune response recognizes the invading virus and prevents it from entering the body.
D. Memory cells that develop in response to the vaccine recognize
the invading virus and respond quickly to destroy it.
Answers
Answer:
Explanation: A
A DNA molecule with a total of 1500 nucleotides has 300 cytosines. How many thymines does the DNA molecule have?
Answers
The DNA molecules will have 450 thymines if a DNA molecule has a total of 1500nucleotides
A DNA molecule also known as deoxyribonucleic acid is made up of a double helix.
The DNA molecule with a total of 1500 nucleotides will contain 750 cytosine and Thymines and 750 guanines and adenine.
Hence we can have the expression:
C + T = 750
If there are 300 cytosines, hence;
300 + T = 750
T = 750 - 300
T = 450
This shows that the DNA molecules will have 450 thymines
Learn more here: https://brainly.com/question/13643968
What does “alkaline” mean?
A.
pH is higher than 7.
B.
pH is lower than 7.
C.
Negative ions.
D.
Non-reactive with other chemicals.
Answers
Answer:
PH greater than 7
basic solution
name three reason why blood goes to the lungs
Answers
Answer:
Blood without oxygen returns through the veins, to the right side of your heart. From there it is pumped to your lungs so that you can breathe out the carbon dioxide and breathe in more oxygen.
Explanation:
Which statement accurately describes dark matter?
It is the same as dark energy.
It is well understood by scientists.
It does not emit electromagnetic radiation.
O It can be observed by shifts in red and blue light.
Answers
The third one, it can be observed by shifts in red and blue light
Answer:
3rd one because it is right bule amd red
Which is the difference between monocots and dicots?
A.
How leaves are grouped on the stalk.
B.
Whether there are two genders or only one.
C.
Whether the stem divides or grows straight up.
D.
How the vascular tunnels are grouped.
Answers
Answer:
D
Explanation:
Answer:
A. The difference between monocotyledons and dicotyledons differ in their roots, stem, leaves, flowers, and seeds
B. there are two gender which is male and female
C. stems, whether above or below ground, are characterized by the presence of nodes and internodes (Figure 1). Nodes are points of attachment for leaves, aerial roots, and flowers. The stem region between two nodes is called an internode
D. Vascular tunnel creation to improve the efficacy of decompressive craniotomy in post-traumatic cerebral edema and ischemic stroke
mention 2 references for Baltimore classification of viruses
Answers
Answer:
Baltimore classification is a system used to classify viruses based on their manner of messenger RNA (mRNA) synthesis. By organizing viruses based on their manner of mRNA production, it is possible to study viruses that behave similarly as a distinct group.
Answer:
Baltimore classification is a system used to classify viruses based on their manner of messenger RNA (mRNA) synthesis. By organizing viruses based on their manner of mRNA production, it is possible to study viruses that behave similarly as a distinct group. Seven Baltimore groups are described that take into consideration whether the viral genome is made of deoxyribonucleic acid (DNA) or ribonucleic acid (RNA), whether the genome is single- or double-stranded, and whether the sense of a single-stranded RNA genome is positive or negative.
Explanation:
If the original DNA is ATGGGTCTAGCGAAAGAT
Than what would be the complimentary DNA?
Answers
Answer:
TACCCAGCGCTTTCTA
Explanation:
Punnet Squares
A couple have 4 children, their first child has blood type A. the second child has blood type O. The third child has blood type AB, and the fourth has blood type B. What are the genotypes of the parents?
Answers
Answer:
a and ab blood types
Explanation:
Which description is not a property of an acid?
Sour taste
Slimy Feel
dissolve metals
corrosive
brainliest will be possible
Answers
The correct option is C. Slimy feel
When you eat a lemon, you can taste the sourness.
When you have rust, you can acidicly burn it off.
And acid is obviously corrosive, which leaves C- which we know is not a property of acid.
I hope this helps!
Answer:
slimy feel
Explanation:
a human organ is being prepared for transplant. in what type of solution must it be bathed?
A. A hypertonic solution
B. A hypotonic solution
C. Pure water containing solutes
D. A solution with the same osmolarity as the organ tissue
Answers
it must be bathed in a solution with the same osmolarity as the organ tissue.. inorder for it not to gain or lose its solute concentration.
I it is placed in a hypotonic solution it will gain water and eventually burst and if placed in a hypertonic solution it will lose water and shrink.
it must be bathed in solution with the same osmolarity as the organ tissue.
Osmosis allows for the diffusion of water from the region of higher concentration to the region of lower concentration.
Osmolarity measures the amount of solute concentration
For an organ place in a hypertonic solution i.e solution that has a higher solute
organ bathed in a hypertonic solution will continue to absorb in more water which can eventually burst the organ when it is too muchFor organ in hypotonic solution i.e solution that has a lower solute concentration
organ bathed will have to lose more solution because itself has more solute than the solution and can lead to shrinkagebut when the osmolarity is the same the Organ will have the same solute concentration as the solution and will help keep the organ in its original form, it will not absorb or lose any solution.
for further details on solution osmolarity please check https://brainly.com/question/3643085
Which of the following substances is least likely to diffuse across the phospholipid bilayer of the cell membrane?
A) large hydrophobic molecules B) hydrophobic small molecules
C) carbon dioxide D) small ions
Answers
Answer:
Hi, could you answer my question: What is a plan in science for a 6 QWC question?
Explanation:
Traditional Chinese culture is the general term for national civilization, customs and spirit. The definition of "culture" is often "the benevolent see benevolence, and the wise see wisdom". Simply put, traditional Chinese culture is based on the three schools of Confucianism, Buddhism and Taoism. The three are interdependent, infiltrate and influence each other, and build the whole of Chinese traditional culture. The ideas of these three traditional cultures are collectively called the "Three Religions" in China.
Answers
Answer:
Chinese traditional culture
Explanation:
Chinese traditional culture
Which of the following statements is true about body system interactions?
a. When someone drinks fluids, these fluids are absorbed into the blood stream (cardiovascular system) from the small intestines (digestive system).
b. When someone drinks fluids, the kidneys (urinary system) sends a message to the brain (nervous system) that more water needs to be released from the body.
c. When someone drinks fluids, these fluids are absorbed into the kidneys (urinary system) from the stomach (digestive system).
d. When someone drinks fluids, these fluids are transported directly to the kidneys (urinary system) by the blood stream (cardiovascular system) and go nowhere else in the body.
Answers
Answer:
true
false
true
true
hhhh
Belinda is weighing pine cones she found on a walk. there are 5 pine cones she measured the following masses in grams 5, 9, 8, 19, 9 what is the mode mass
A. 14
B. 10
C. 9
D. 8
Answers
How does the mass of an object hitting you affect the force you feel on the hit? Provide evidence from your life.
Answers
Answer:
Momentum is a concept or law that says if you ad speed or mass or both to a given object, the force you receive will be greater. so if a basball, say is coming at you you could easily catch it. But if a bowling ball was coming at you the same speed it would probably nock your head off.
Explanation:
Here is your equation for momentum
P=v*m
where P is momentum, V is velocity and M is mass.
How waste is removed from plant body ?
Answers
Answer:
Living organisms sustain life, based on certain life processes. These life processes help to regulate their daily activities. Excretion is one among them. The metabolism takes place in the cells of living organisms resulting in both useful and toxic products. The accumulation of toxins may harm the organism. Thus, the living organisms remove all these metabolic wastes from their body and this process is called excretion. Different organisms follow different modes of excretion. Let’s have a glance at excretion in plants and how excretion in plants is different from that of animals.
Explanation:
I hope you can help buddy (:
Answer:
the excretory organ removes these westes.
this process of removal of metabolic waste from the body is known as excretion
if bird cannot migrate what it does to survive
Answers
The movement of small organic molecules, electrolytes, vitamins, and water across the digestive epithelium and into the intestinal fluid of the digestive tract is called what then? I can understand if going into the interstitial fluid of the digestive tract that it would be called Absorption; however, what is it called when it moves into the intestinal fluid of the digestive tract?
Answers
Answer:
As you have learned, the process of mechanical digestion is relatively simple. It involves the physical breakdown of food but does not alter its chemical makeup. Chemical digestion, on the other hand, is a complex process that reduces food into its chemical building blocks, which are then absorbed to nourish the cells of the body. In this section, you will look more closely at the processes of chemical digestion and absorption.
This diagram identifies the functions of mechanical and chemical digestion and absorption at each organ. Next to each organ, a callout identifies which steps of digestion take place in that particular organ.
Explanation:
How can fat loss and cellular respiration help if you eat more than 6-9 teaspoons of sugar a day?
Answers
Answer:
For those who eat a well-balanced diet and have no metabolic disorders, excess dietary carbohydrates are converted by the liver into complex chains of glucose called glycogen. Glycogen is stored in liver and muscle cells and is a secondary source of energy to freely circulating blood glucose.