The Upper Paleolithic / Later Stone Age includes____ that are characterized by____. a. Mode Ill tools; mostly blade tools that are very specialized b. Mode VI tools; very specialized ground stone tools c. Mode V tools; very organized production techniques used with hafting d. Mode IV tools; very diverse and specialized blade tools

Q: could humans have evolved to use something beside oxygen?

A: Humans could evolve.In the primitive time there was no oxygen in the world.So,the need of oxygen in…

Q: What is energy cycle

A: The energy is the main thing that made the earth suitable for life. Every living organisms need…

Q: DNA is charged and _fragments travel faster than positively, shorter, longer negatively, shorter,…

A: DNA is a polymer that is composed of two polynucleotide chains that coil around each other but…

Q: 5. Define the following terms: carbonic anhydrase Bohr effect Haldane effect

A: Introduction :  Alveoli are where gas exchange takes place. The removal of carbon dioxide from the…

Q: The process of DNA Replication depicted in the Polymerase Chain Reaction technology. Below are…

A: PCR is the polymerase chain reaction that amplifies a small amount of DNA into multiple copies.…

Q: Give an example of an anaerobic traning exercise program using the FITT Principle

A: FITT PRINCIPLE: It is a method to create a perfect workout plan. It is presented with a structure…

Q: TASK No 4 A patient of 48 years old complains of irritability, fatigue, weight loss with increased…

A: Pathology is the science branch in which the disease is diagnosed by means of studying the various…

Q: What diagnostic procedure or procedures (molecular or immunologic) would be appropriate for the…

A: It is a procedure to examine a sample of cervix cells for abnormalities that might be signs of…

Q: When a neuron responds to a particular neurotransmitter by opening gated ion channels, the…

A: Neurotransmitter is a chemical substance released by neurons to communicate with the target cells or…

Q: If a plant could not make glucose via photosynthesis, where would the defect show up?   A. thicker…

A: Introduction Photosynthesis is a process that plays a vital role in certain living organisms.…

Q: A human STR locus contains a tandem repeat (TAGA), where n may be any number between 5 and 15. How…

A: Introduction The traits of a living organism are determined by its genotype. These traits are…

Q: Prepare a blended formula for morning preparation with Diet recommended of 1500 kcal, carbohydates…

A: The examples below are effective in tube feedings that have been blended: Grains: boiled white or…

Q: 1. Why is an increase in thirst and urine output associated with diabetes? 2. What is a healthy…

A: The blood glucose level is a measure of the amount of glucose in the blood. The normal range for…

Q: The best long-term solution to the greenhouse gas problem is a.Develop a machine which absorbs…

A: Introduction Greenhouse effect is defined as warming of Earth’s surface and troposphere (the lowest…

Q: 18 14 15 19 16 17 6 8 Figure 1 Nereis parapodium whole mount Figure 2 Nereis cross section.…

A: Nereis is a genus of the worm under the family Nereididae. Its the type of polychaete worm. They use…

Q: Does DNA alterations during DNA replication result in the formation of cancerous cells? And how does…

A: DNA is the deoxyribonucleic acid, which contains the genes in the form of a sequence of nucleotides,…

Q: Which of the following is not a function of telomeres? options: cellular clock protection of…

A: Telomeres are the repetitive sequences of DNA which are present at the end of the chromosomes. These…

Q: explain what does hisatmine and adetycholine mimic. within smooth muscle receptors. what do they…

A: Histamine is an important chemical that has a role in a number of different bodily processes. It…

Q: Researchers have found that a certain signal transduction pathway, illustrated in the figure below,…

A: Signal transduction is the pathway in which there is a relay of the signal that takes place from a…

Q: What is the role of NAD+ and FAD in the breakdown of glucose?

A: INTRODUCTION Glucose Glucose is a simple sugar molecule that act the main source of energy in our…

Q: 10) A a base and a sugar. A) nucleoside B) base pair C) nucleotide D) complementary base E)…

A: According to bartleby policy we have to answer only first three multiple choice question hence…

Q: 4586 patients were recruited in a study and information was collected on their different diseases /…

A: Research methodology is a procedure which is used for analyzing the data about a topic.

Q: chromosome

A: Chromosomes: These are threadlike structures made up of protein and a single DNA molecule which…

Q: Nutrition Labels: Analyze the nutrition label attached and answer the following questions:   How…

A: INTRODUCTION Fats Fat also called fatty acid or lipid. It is made up of carbon hydrogen and oxygen.

Q: In the mismatch repair pathway, DNA damage is recognized by

A: DNA mismatch repair pathway in short known as MMR. It recognizes and repairs base to base mismatch,…

Q: Some muscle cells contain several nuclei per cell. Which of the following provides the most likely…

A: all multicellular cell organization develop through cell devision. cell devision in on cell form two…

Q: 3. State the overall function(s) of each of the following reproductive hormones. + Gonadotropin…

A: Introduction:  The reproductive hormones estrogen, testosterone, and progesterone are important in…

Q: Describe one chemotherapeutic approach that can be used to treat prostate cancer? Your answer should…

A: Introduction - It is a disease characterized by out - of-control cell growth.O Product of cells that…

Q: 7. Refer to the following table, which lists the concentrations (in g/100cm³) of various substances…

A: Your kidneys are each made up of a million nephrons, which are filtering cells. A filter called the…

Q: How does the Endocrine System Maintain Homeostasis

A: Introduction Endocrine system consists of various endocrine glands which secretes various hormone…

Q: .what molecule beside carbohydrates do plants need to grow? what are they? where do they come from?

A: Plants can break down carbohydrates to get energy during respiration.The energy molecules like ATP…

Q: In your own words, give the components of the following body system and the functions of each…

A: The respiratory system is the organs and other parts of our body involved in breathing, when we…

Q: what molecule beside carbohydrates do plants need to grow?  7 what are they? 7 where do they come…

A: Answer: Plants : Plants are the living things on earth and they need certain molecules with sunlight…

Q: How many RT-PCR products generated from 13 copies of mRNA (= cDNA) from 33 PCR amplification cycles?…

A: RT-PCR Reverse transcription-polymerase chain reaction, or RT-PCR, is presently the most sensitive…

Q: The regulation of the blood glucose level represents an important feedback loop in the hu- man body.…

A: The mechanism through which the body keeps blood glucose levels, particularly glucose…

Q: Mr. Grady, a 70-year-old male with a history of arthritis, is evaluated by his rheumatologist for a…

A: The inflammatory arthritis known as gout is characterized by recurring outbreaks of red, painful,…

Q: Answer this question xi) What is the most important step in the Gram staining procedure? Why?

A: Gram staining helps in differentiating between gram positive and gram negative bacterias. The gram…

Q: Answer the question  xiv) Cite two (2) reasons why is it important for a researcher or a hospital…

A: Bacteria are the tiny microorganisms that can be harmful or helpful for the human body according to…

Q: Miles and Misra serial dilution strategy to determine bacterial density (cfu/ml) and if infection is…

A: Miles and Misra's method is also known as viable surface count. This method counts a number of…

Q: Imagine a gene (locus) with four different alleles (alleles are variants of a gene) for fur colour,…

A: Given that there are four alleles for a single gene - Fa, Fb, Fc, and Fd. Each individual has two…

Q: The FDA is responsible for overseeing domestic and imported foods sold in interstate commerce,…

A: Biotechnology is one of the significant branches of biology. Biotechnology can be defined as the…

Q: Regarding the analysis of single marker STR results used in forensic science. Tick all the correct…

A: Short Tandem Repeats (STR) are the specific location in chromosomes used for forensic analysis. In…

Q: few paragraphs on being a sports teacher at school and what skills a a sports teacher at school has.

A: What are the qualities of a sports teacher? Also give the advantage and good qualities of a sports…

Q: Failure of homologous chromosomes to separate results in all the following EXCEPT: A.…

A: Introduction The chromosome is an important structure occurs in both prokaryotic cell as well as…

Q: Humid continental and humid subtropical climates both feature deciduous forest biomes. A major…

A: A biome, often referred to as life zones or the dwelling places of life, is made up of all the…

Q: Northern flickers are woodpeckers of the eastern United States. Males, but not females, have black…

A: Fixed action patterns are instinctive programmed responses in totally different species that are…

Q: Introduce the topic of Bean Beetles where the Beetles had to lay eggs on beans. Explain why the…

A: Bean beetle are agricultural pests that occur throughout the tropics and subtropics. The larvae feed…

Q: Which is the best possible hypothesis for explaining changes in cortical robusticity over time? a.…

A: The correct option is: The Increasing cortical robusticity associated with appearanceof morden…

Q: Assumptions: . If the parent expresses the trait, they are homozygous dominant If the child/children…

A: In genetics, the genes forms the basic hereditary units of life. The genes has two alternate forms…

Q: 8. Observe the sex-linked pedigree provided here that is tracking the red-green color- blindness…

A: Red green colorblindness is a disorder in which person is not able to distinguish between red and…