A smooth (gracile) skull of a female appears quite different from the bumpy (robust) appearance of the male skull. What causes the male skull to be thicker with more dense bone? Research the effect on bones of each of the following:

Q: 2. Cardiac muscle tissue is similar to skeletal muscle, and highly coordinated contractions of cardi...

A: Cardiac muscles are defined as striated muscles, because of the arrangements of myofibrils within th...

Q: Transcription and Translation) and epigenetics, does epigenetics agree or run counter (contradict) t...

A: Introduction: An explanation of the transmission of genetic information inside a biological system i...

Q: A researcher crossed a homozygous yellow seed plant (YY) and a heterozygous yellow seed plant (Yy) D...

A: The term homozygous refers to a condition in which two identical alleles associated with a particula...

Q: What genes are regulated by the a1 and a2 proteins inan a cell?

A: In Eukaryotic cell, gene expression takes place during transcription and RNA processing which is don...

Q: GIVEN: Centrifuge A: rotor radius 5 cm; max. speed - 4,000 xg Centrifuge B: rotor radius - 7 cm; max...

A: Pellet  Pellet is the hard accumulation of material present at the bottom of the centrifuge tube.

Q: Female cottontail rabbits (sylvilagus floridanus) are especially fertile, able to give birth to seve...

A: Cutoff points to Growth   A female cottontail bunny (Sylvilagus floridanus) can conceive an offsprin...

Q: C. Chemical Nature of Polyphenoloxidase Enzyme Activity (Color Intensity) Light pink (Moderate inten...

A: Biochemical reactions that occur in the living cells are catalyzed by enzymes.  

Q: ich of the following statements is FALSE?      Select one: a. Enzymes lower the amount of energy...

A: Answer 

Q: What is the function of the 3'UTR in the RNA ? Check all that apply V The 3' UTR increases mRNA expo...

A: Three prime untranslated region(3'-UTR) Section of mRNA that immediately follows the translation te...

Q: 1. After transformation, transfromants A. may possibly carry a non-recombinant plasmid B. refer only...

A: Since you have asked multipart question , we will solve only first three parts according to our term...

Q: Reproductive effort 2. Cost of reproduction

A: Reproduction is the production of offspring. 

Q: How do primatologists explain the large testicles of muriquis?

A: The muriquis, also known as woolly spider monkeys. They are closely related to both the spider monke...

Q: The pressure inside the alveoli is less than the atmosphenic pressure

A: The air around you has weight, and it presses against everything it touches. That pressure is called...

Q: 1. Semelparous life history 2. Iterous species 3. Senescence 4. Antagonistic pleiotropy 5. Carrying ...

A: here we need to give definition of various Semelparous and Iteroparous Life histories.

Q: Question 3. You have identified a mouse that develops dry skin due to increased evaporation. Which o...

A: Skin is the largest organ of the body that specifies for several functions. Starting from the regula...

Q: Brown thrashers are common birds that inhabit much of the United States. They use twigs, dry leaves,...

A: Reproductive fitness is defined as an ability of the individual to reproduce , survive and produce v...

Q: What does vacuoles do?

A: Vacuoles are membrane bound structure present in cell. Membrane surrounding vacuole is called tonopl...

Q: . Describe social disparities, past and present, in the burden of health risks from the nuclear fuel...

A: Nuclear radiations are probably the worst external stimuli any living being can get. It is a complex...

Q: The side chain of which amino acid is most likely to be found in the center of a tightly packed, wat...

A: Introduction Amino acids are molecules that combine to form proteins and are the building blocks of ...

Q: Effects of BPA on proinflammatory cytokines generation in RAW264.7 cells conclusion

A:  BPA (Bisphenol A) is a harmful endocrine disruptor that is found in polycarbonate plastics such as ...

Q: 1 2 3 4 5 7 TAC ATG GAC AAT GAT TAG GGG Second Letter A G Phe UCU UUU U UuC UUA UAU Ser UAC UAA UAG ...

A: Introduction : A gene mutation is a permanent alteration in the DNA sequence that makes up a gene, s...

Q: Which is the best approximation of the fixation probability of the mutant B allele, present as one i...

A: Introduction : An allele's fixation probability is the likelihood that it will become the ancestor o...

Q: 17. What is separated in Anaphase II? 18. In which stage of Meiosis II do the nuclear membranes refo...

A: Ans 16:- Drawing diagram feature is not available on BB. Ans 17:- Cells, Cellular organelles and alr...

Q: The DNA polymerase used in PCR is taken from Thermus aquaticus, a bacterium that thrives in the extr...

A: DNA polymerase is a class of enzyme which catalyse the synthesis of DNA molecules from nucleoside tr...

Q: he role and importance of hormones in female and male r

A:

Q: Compare the structure of foraminifera and radiolarians

A: Foraminifera also known as foams and radiolarian both are primarily testate or skeletonized amoeboid...

Q: You are growing E. coli in a laboratory in order to study their operons. The growth media you are us...

A: 1. What effect does lactose have on the bacterial cell’s lac operon? Answer:- It induces the operon,...

Q: Explain why slime molds are described as social amoebas

A: Social amoebas are the most exciting structures that is found in nature. They usually have the struc...

Q: pK, values Abbreviation/ Amino acid symbol pk, M coOH) NH,") (R group) pl pK, Glycine Gly G 75 2.34 ...

A: Aminoacids are building blocks of proteins . The aminoacids are joined together by peptide bond. PH ...

Q: You are studying actin polymerization in the lab. You have Tube 1 with cell extract and ATP, and Tub...

A: The actin filament is one of the major component of cytoskeleton protein in eukaryotic cells. They a...

Q: A i. crossing over ii. biomarker a. Еcorl b. Recombinant iii. Gene-of-interest iv. restriction enzym...

A: We know that crossing over is the major event during meiosis which leads to variations among individ...

Q: Q2. What is the structural difference between DNA and RNA? Q3. What nitrogenous base is found in RNA...

A: Introduction DNA - deoxyribonucleic acid is the molecule that contains the genetic code of organisms...

Q: As a volunteer in a genetics lab, Professor Uhura tasked you with testing the biparental mitochondri...

A: Introduction: Drosophila melanogaster is a species of fly in the family Drosophilidae. The species i...

Q: The enzyme sucrose splits the disaccharide sugar sucrose into the monosaccharides glucose and fructo...

A: Sucrose can be splitted to Glucose and Fructose and once this splitting occurs, the chirality of pro...

Q: What is Hybridization/Annealing ?

A: Annealing which is also known as Hybridization is defined as the spontaneous pairing occur of comple...

Q: Light microscopical views of the antheridiophore 250 pm. 20 μη C

A: A. longitudinal section: 1. thallus; 2. base of the antheridiophore; 3. antheridia; 4. antheridiopho...

Q: Assume that you are growing mammalian cells in culture. You are able to synchronize the culture, mea...

A: Condensation of chromatin takes place during the prophase stage. In meiotic cellular division, the m...

Q: what are the risk factors of the skin cancer?

A: Answer :- As we know that major reason behind skin cancer is exposure of UV Rays. And if person who ...

Q: Which molecules can maintain the ordered structure of collagen fibrils in the cornea?

A: The collagen fibrils are made by the collegen fibres arranged compactly to give the fibrils like pat...

Q: Give detailed instructions to your planting crew on how to plant the polybagged seedlings that were ...

A: Introduction : Double fertilization in angiosperms triggers the transformation of ovule into a seed....

Q: What are two critical functions of homeostasis that involve epithelia? Select all that apply.   A. ...

A: Introduction: Homeostasis is the tendency to resist change in order to maintain a stable and constan...

Q: Chargaff's analysis of the relative base composition of DNA was significant because he was able to s...

A: Introduction DNA is a polymer made up of two polynucleotide chains that coil around each other to fo...

Q: Write a step-by-step description of a specific signal transduction pathway.

A: *signals are the chemicals can found in the extracellular fluid in body . *If these chemicals can co...

Q: A scientist has discovered a strain of bacteria that can convert ethanol to pyruvate when stimulated...

A: Solution 1) The repressor of this operon is functional It is active when ethanol is absent and inact...

Q: Why is it that every cell needs to contain the DNA for the entire body when only a few of its genes ...

A: Every cell contains the DNA for the entire body but a few are expressed by its cell type. The reason...

Q: hange the peptide to Met Asp Asn Gly Leu Gly ?    Use the codon numbers to help describe where the ...

A: Since you have posted a question with multi- sub parts , we will solve first three sub-parts for you...

Q: 12.37. The pedigrees indicated here were obtained with three unrelated families whose members expres...

A: A pedigree chart is a diagram that shows the occurrence and appearance of phenotypes of a particular...

Q: Question 6. You are given two samples of DNA from two different organisms. In which of the following...

A: DNA can be found as a genetic material in most of the living creatures. This is because thew DNA act...

Q: i. promoter gene ii. multiple cloning site iii. ORI site iv. resistance gene a. cutting insertion si...

A:

Q: Question 7. You are studying two strands of DNA. They have exactly the same length, but the first on...

A: The melting temperature highly depends on the G+C ratio in a strand. More the ratio of G+C high will...