When Miescher added the alkaline solution, the cells lysed. What does this mean?   A. They mutliplied.   B. They became stronger.   C. They broke open.   D. They froze in time.

Q: In a certain culture of bacteria the rate of increase is proportional to the number present. (i) If…

A: ( a )   In a certain culture of bacteria the rate of increase is proportional to the numberpresent.…

Q: Laboratory Medicine  Science question:   A tech is running an antibody screen on a patient with a…

A: In laboratory medicine, laboratory technicians are working for diagnosis of any kind of problem in…

Q: X What is the function of the structure labelled X? 4 Select one: a. move cells b. increase the rate…

A: The given diagram represents the fluid mosaic model of plasma membrane. All the cells are enclosed…

Q: What happened to the piece of potato after soaking in saltwater? Explain your observation based on…

A: Osmosis is defined as the movement of water molecules from the region of higher to water potential…

Q: Which picture shows an organism?

A: A living organism is a creature that is made up of a single cell or multiple cells.

Q: What is the point of cells

A: Robert Hooke was the first to discover cells in 1665.

Q: When Elodea leaves were placed in 10% NaCl, what was the result? a. The cell membrane shrank away…

A: Osmosis is a process through which the molecules of the solvent pass to a solution of high…

Q: What is the function of an endospore? (Short Answers)

A: Endospore is a non-reproductive structure which is produced in unfavorable condition, tough and…

Q: A. Consider a large, cubic cell that measures 100 micrometers on a side. What is its surface…

A: Cells are defined as the smallest building blocks of living thing where it helps in making up the…

Q: which dye had the largest component

A: The correct answer is the option 2. Dye 2 has the more dense component.

Q: How is a chromosome different from a chromatin? a.)A chromosome is a segment of DNA while chromatin…

A: DNA is an important biomolecule because this only carries the genetic information from generation…

Q: Protoplasts are plant cells that lack a. nuclei. b. cell walls. c. plasma membranes. d.…

A: Protoplast is greatly used in creating recombinant cells. It is studied under the domain of membrane…

Q: In terms of the areas of the human body, how does this discrepancy in area differ in type and number…

A: The normal flora refers to the aggregation of microorganisms associated with the body. Microbiology…

Q: In the create a cell experiment, is there any difference in the structure of the two cells? The two…

A: A cell is a structural and functional unit of life. The structure and function of a cell have been…

Q: Which cells are more efficient at obtaining nutrients? a) Small Cells b) Medium Size Cells c) Large…

A: A typical human body contains almost 15 trillion cells. The nutrients are necessary for these cells…

Q: a company genetically modified corn to produce an odor that repels insects, which best describes how…

A: Genetically modified organisms are those that a gene or some of the genes that are modified, or…

Q: Assume that you have been given the job of developing a colony ofgerm-free chickens.a. What will be…

A: Germ-free animals as the name suggests are the microorganisms free animals. These animals are grown…

Q: 3a. How can the Gram stain be used to classify bacteria?  b) What causes one type of bacteria to…

A: Staining technique is a technique which uses different types of dyes ( acidic and basic dyes ) to…

Q: If there is too much water outside a cell

A: Movement of water across semi-permeable membrane is known as osmosis. It is a passive transport and…

Q: Use the principle of FRAP to explain why the cell membrane is described as fluid mosaic

A: The structure of a cell membrane was defined by the 'fluid mosaic model of the cell membrane'. This…

Q: Which scientist studied how wounds heal and proposed that cells come from preexisting cells

A: The cell theory proposed by Matthias Schleiden and Theodore Schwann suggested that all living…

Q: ________are the most unspecialized mass of cells.a) Stem cells b) Root cells c) Hair cells d) Cells

A: Cell is a basic membrane-bound unit and it is often called as the basic building blocks of all…

Q: High Surface area to volume ratio allows cells to do what quickly?

A: with the increases in cell size, the volume increases faster than the surface area. this is because…

Q: The first cells were probably (a) photosynthetic (b) aerobes (c) anaerobes (d) a and b (e) a and c

A: The first photosynthetic bacteria appeared about 2 billion years ago and they are able to produce…

Q: Write a conclusion: Discuss the possible cause (s) for food dyes to spread to form distinct areas…

A: Diffusion is a process of movement of substance from higher concentration to lower concentration.…

Q: Compare and contrast plant cell from animal cell.

A: Cell Smallest unit of living organisms that is capable of performing life functions. Cells can only…

Q: Is an organism named Human is a Cell division requiring cell plate formation

A: The cell plate is a structural feature of land plants, formed during cell division.  During the…

Q: Fill in the blank. The advantages of infrared waves are...? A. that they harden dental fillings and…

A: A. UV light can be used to harden particular glues, resins, and inks by causing a photochemical…

Q: What is the article about? b.    When did this happen? c.    Where did it take place?

A: the cause of these cases of hepatitis is unknown," say the ECDC, which clarify that none of the…

Q: When was the cell theory developed? a. early 1600s b. mid-1600s c. mid-1700s d. mid-1800s

A: Cell theory- Scientists once believed that life evolved spontaneously from nonliving matter. Life…

Q: bacteria have a role in the medical field

A: Answer: Bacteria are used to create multiple antibiotics such as Streptomycin from the bacteria…

Q: Who invented the forerunner of the microscope? a. Zacharias Janssen b. Anton van Leeuwenhoek c.…

A: microscope is a tool which is used to observe things which are not visible to naked eye. The correct…

Q: When Miescher added salt to the blood and pus solution, the cell nuclei ___.   A. rose to the top…

A: Miescher chose white blood cells, because they occurred as individual cells and were easy to obtain.…

Q: a. Describe how you believe monarch butterfly wing  would look on a magnified with a microscope.…

A: The monarch butterfly is a species (Danaus plexippus) of butterfly that belongs to subfamily…

Q: If you made a plant cell drawing and that drawing measured 100 mm, what is the plant cell's…

A: Microscopy is a technique that is used to visualize small-sized objects that are not visible to the…

Q: If I noticed the some skin cells contain an extensive network of smooth ER, I could hypothesize that…

A: Endoplasmic reticulum (ER) is an organelle found in both eukaryotic animals and plant cells. It…

Q: Which conclusion can be made from these diagrams? O A Plant and animal cells interact to make new…

A: Both the plants and animal cells require oxygen to release the energy stored in food through a…

Q: Which are larger, animal pole cells or vegetal pole cells? Why?

A: Answer : Vegetal pole cells  are larger .

Q: Who was the first person to observe live cells under the microscope? a. Robert Hooke b. Anton van…

A: Cell is the smallest structural and functional unit of an organism that perform all the…

Q: a. Describe how a biosafety cabinet provides protection for the product, environment, and yourself

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Which is not a function of the cell wall in plant cells?   Question 6 options:   Aid in cell…

A: The presence of cell wall is one of the major differences between plant and animal cells. The…

Q: What is the function of a cell wall?Single choice. A. to protect and support the cell B. to perform…

A: A cell wall is the outermost layer of a cell present in eukaryotic cells and few prokaryotic cells..…

Q: are onion cells gram positive or gram negative and are cheek cells gram positive or gram negative.

A: Gram staining is used to differentiate between gram-negative and gram-positive bacterial cells. The…

Q: Give a reason why one side of the hand has a lower diversity of bacteria

A: The ecosystem on the earth is based on protocooperation. This can be rephrased as follows: all…

Q: Based on these data, the cells found at the crime scene may have come from which suspect? Pls help…

A: Simple Sequence Repeats(SSR) These are often interchangeably referred to as "microsatellites" or…

Q: An experiment took place at room temperature (20 ° C). Predict what would happen if increased the…

A: The fermentation reaction (production of ethanol from carbohydrate sources like glucose, sucrose,…

Nutrition and Digestion

The process of consuming nutrients to utilize them for various biological purposes is known as nutrition. The substances absorbed from food are known as nutrients. They serve different important functions in the body, such as repairing wounds and damages, generating energy for metabolism, and regulating biochemical reactions.