Which of the following effects is produced by the high surface tension of water?   Group of answer choices Organisms resist temperature changes, although they give off heat due to chemical reactions. Evaporation of sweat from the skin helps to keep people from overheating Lakes don't freeze solid in winter, despite low temperatures. A layer of strongly bonded water molecules occurs at the air-water interface Water flows upward from the roots to the leaves in plants.

Q: How do we know that the lac repressor is a protein?

A: Lac repressor protein is encoded by the lac I gene.

Q: eed help answering the queshtion there are multiple answers to it

A: The bonds which contribute in the formation of three dimensional structure of proteins are:-  Hydro...

Q: Asap

A: The analytical method is a technique for analysing a fact, a sample, or something similar. These are...

Q: Which of these is most consistent with the same-object advantage?     a. faster reaction times occu...

A: Sol:- The same object advantage is commonly used technique in psychology. In that the question, opti...

Q: Which of the following is false? a. the pollen grain shape was studied by Mendel. b. Mendel believ...

A: Gregor Mendel is known as the Father of Genetics. He conducted experiments on the garden pea plants....

Q: Is COVID-19 virus will destroy/damage ALL the blood vessels and layers of the walls of the heart? if...

A: Even though COVID-19, the coronavirus that triggered the global pandemic, is largely a breathing or ...

Q: Which of the following are bones of the appendicular skeleton? (Choose all that apply) Group of answ...

A: Introduction: Appendicular skeleton system consists of the limbs (along with the limb bones and gird...

Q: How do the eggs ovulated into the abdominal cavity find their way out of the frog’s body?

A: To understand the path of the egg we need to understand that frogs lay eggs. This process usually oc...

Q: In cats, fur color is a sex-linked trait, where black fur is dominant over yellow fur. If a calico f...

A: The allele for Black XB Allele for Yellow XY So the possible genotype of calico female= XBXY (black ...

Q: DNA samples from four individuals were cleaved with the same MW restriction endonuclease. The DNA fr...

A: Any human biological specimen taken or preserved for the purpose of extracting and analysing DNA in ...

Q: widow's peak hairline is dominant (W) to a straight hairline (w). Karen and her brother both have a ...

A: Introduction:- A Punnett square is a representation of how different gametes combine to produce dis...

Q: Amy is a new mother. Although she is very much against using disposable diapers, she is frustrated b...

A: Advantages and  of diapers For babies and toddlers this means they: Are comfortable to wear due to t...

Q: Which parameter from the software must you adjust in order to give a "selection advantage" to organi...

A: Evolution is the branch of science which deals with change in the species and its characteristics ov...

Q: 1.) if a DNA template with the sequence AAGTTTCGCCCCGGG undergoes replication, what will be its comp...

A: Introduction DNA, or deoxyribonucleic acid, is an unique molecule that includes all of the informati...

Q: Explain why we say that photosynthesis feeds most life on Earth.

A: Plants absorb CO2 and water (H2O) from the air and soil during photosynthesis. Water is oxidized (lo...

Q: Carbon Copy (CC), the first cat produced from aclone, was created from an ovarian cell taken from he...

A: Cloning has been around since the late 1800s, but it wasn't until 1997 that Dolly the sheep was succ...

Q: Given a sequence of amino acids explain the type of secondary structure you will expect the protein ...

A: Amino acids are classified as the biomolecules that comprise the amino group as well as a carboxylic...

Q: Explain how coenzymes connect the light-dependent reactionswith the Calvin–Benson cycle

A: Photosynthesis is the conversion of light energy into chemical energy by phototrophs, which is then ...

Q: the Marquis test was used on a sample suspected to contain amphetamine in a “field” sample, so the s...

A:   The colourimetric analysis involves the determination of a chemical substance (inorganic and organ...

Q: Cystic fibrosis (CF) is an autosomal recessive condition triggered by the overproduction of sticky m...

A: Let the dominant allele be represented by C and recessive allele be represented by c. Hence, CC = do...

Q: Evolution of LAND PLANTS, Show  the correct sequence of their evolution, starting from the most prim...

A:       INTRODUCTION            The evolutionary plants is obtained in fossil records that maintained ...

Q: On which bone are the Temporal Lines located? Group of answer choices Frontal Radius Occipital Maxil...

A: Temporal Lines are located in frontal bones and parietal bones.

Q: Auxin causes the bending of shoot toward light by?

A: Auxin class of plant hormones  plant-growth regulators) with some morphogen-like characteristics. Au...

Q: The locations of numerous lacI - and lacIS mutations have beendetermined within the DNA sequence of ...

A: c. LacIs is a trans-dominant mutation that stops transcription in both operons. Only the genes cis t...

Q: Give the shared characteristics of the following animal groups: 1. Cartilaginous fishes & Ray-finne...

A: Ray - finned fishes are also known as Bony fishes . According to the guidlines of bartelbey i am all...

Q: 1. Is a microscope an absolute necessity for studying microorganisms? Why or why not? 2. What do you...

A: 1:-Naked eyes have limitations to see object, they can't see the object having size less than 100mic...

Q: List 3 more applications of Recombinant DNA technology aside agriculture, medicine and industry

A: Recombinant DNA technology It is the technology that involves the alteration of the genetic material...

Q: Contrast positive versus negative control of gene expression?

A: Introduction :- Gene expression is the process through which information from a gene is used to crea...

Q: please help me do this question it's an essay question, it needs atleast 8 to 10 points

A: Host defenses are protective mechanisms against infections which consists of natural barriers such a...

Q: What type of risks do genetically modified food potentially pose?

A: Genetic modification is a methodology used in the biotechnology which involves alterations of traits...

Q: If you fall into a moving water, aiming to float is important. Use your arms to back paddle to slow ...

A: Arm paddles are light weight tools great for improving and tweaking techniques.  Paddles increase wa...

Q: What is the benefit of traditional cheese making for Mongolian people today?

A: Mangolias started cheese making in 1300BC Scientist found milk proteins in tooth tartar it suggest t...

Q: What is a redox reaction?

A:

Q: In earlobes, free (F) earlobe is dominant while attached (f) earlobe is recessive. What proportion o...

A: Attached and free earlobe condition is controlled by autosomal gene with two alleles. F- responsible...

Q: The frequency of single crossover recombinant gametes (those with chromosomes having crossed over) o...

A: Crossing over takes place in prophase I of meiosis that results in exchange of genetic material betw...

Q: Some analysts argue that in order to continue usingoil at the current rate, we must discover and add...

A: Introduction: Exploration for oil and the manufacturing of its byproducts will be in decline or will...

Q: Define about Streptococcus pyogenes ?

A: Introduction: A wide variety of microorganisms can be found. Few of them are pathogenic and can infe...

Q: Which level(s) of protein structure can you find the a helix and the B pleated sheet? CHECK ALL THAT...

A: Introduction:- A protein molecule is much larger than a sugar or salt molecule, and it is made up of...

Q: QUESTION 12 Ack! Your nematode cultures are infested with a pesky, but novel bacterium! You decide t...

A: Speciation is the process through which one genetically related population splits into two populatio...

Q: 1. Where and when did photosynthesis first evolve? What are some lines of evidence that support this...

A: The term photosynthesis is associated with a process that can be observed in several living organism...

Q: Provide one example of the Fusiform Face Area

A: The fusiform Face Area in simple terms means spindle shaped area. It is also known as fusiform gyrus...

Q: You are studying a transport protein. It appears to bind temporarily to the molecule to be transport...

A: 1. ANSWER;- This is an example of facilitated diffusion. The molecule is a competitive inhibitor. -I...

Q: onsider selection on two traits. The selection gradient on trait 1 is -0.2, and the selection gradie...

A: A very different and relatively unknown method for inferring the existence of constraints is to exam...

Q: To avoid or lessen sunburn while in the aquatic facility, generously apply sunscreen. Reapply every ...

A: The first statement is correct as the generous application of sunscreen avoids and lessens sunburn. ...

Q: If a species looks superficially the same after thousands of years, the most likely explanation is: ...

A: Introduction:- Convergent Evolution occurs when thousands of years pass and a species appears to be ...

Q: What causes the lub-dub sound of a beating heart? A. Heart valves closing B. Muscles sliding against...

A: Answer-  A. Heart valves closing.  A healthy heart makes a lub-dub sound with each beat. This sound ...

Q: Shaded in black-white trait (Glucose-6-phosphate dehydrogenase deficiency) 1. What type of x-linked...

A: Answer 1- The type of x-linked inheritance is shown in the chart above is :  b.  X linked recessive ...

Q: 1. In Figure 10, can you observe the unevenly thin stretch along the walls? If yes, identify these s...

A: Plant cells have fixed regular shape. This is because they have a cell wall made of cellulose that r...

Q: ) Hydrogen bonds are critical to life because they Group of answer choices Are involved in the seco...

A: Hydrogen bonding is attraction between hydrogen atom to more electro negative atom.

Q: Contrast the role of the repressor in an inducible system and in arepressible system ?

A: The lac operon, or set of genes with a single promoter, is a type of operon (transcribed as a single...

Physical and Chemical features

The physical property of a compound could be determined without modifying the originality of the compound. Examples of physical properties are density, hardness, color, boiling, and melting point. The chemical property expresses the ability of a compound to undergo a particular chemical change.