Why are models useful to understand ecological systems? Group of answer choices They allow for investigation of scenarios that do not currently exist They can be manipulated They are simplified representations of ecological systems

Q: * In dogs, a dominant gene (1) determines white coat, and a recessive gene (i) gives colored coat. I...

A: A genetic attribute is one that is passed down through generations. According to Mendelian genetics,...

Q: Which of the following biogeochemical cycles include decomposition? can select more than one answer...

A: Biogeochemical cycles are the chemical cycles that maintain the availability of nutrients in the env...

Q: 9. compare and contrast different mutation mechanisms 10. relate variations in chromosome number and...

A: 9) Mutation is the permanent alteration of the nucleotide sequence of a genome  These mutations can ...

Q: In what way is disease the greatest hazard that people face? What kinds of interrelationships must e...

A: Introduction  We are surrounded by various pathogens such as bacteria, viruses, fungus, etc. Every d...

Q: With respect to gene transfer and the integration of thetransferred gene into the recipient genome, ...

A: Part A. Hfr cells are the key cells that are involved in the process of conjugation transfer host ge...

Q: Question 5 Voles and lemming are found throughout the Arctic. Which of the following statements is c...

A: Voles and lemmings These are widely spread across the Holarctic. They are located in temperate North...

Q: Specificity in fusion between vesicles involves two discrete and sequential processes. Describe the ...

A: Enzymes are biocatalysts that aid in the acceleration of the reaction. They are proteins that serve ...

Q: What are the main cells that compose poriferans?

A: Phylum porifera contains unique animals called sponges. They are termed as sessile metazoans as they...

Q: Small body size Based on the phylogeny above large body size evolved in these frogs [X] times (place...

A: Phylogenetic tree: A phylogenetic tree is a graphic that shows how creatures have evolved over time....

Q: Glucose-6-phosphate dehydrogenase (G6PD) deficiency is a disorder that affects the normal function o...

A: Introduction: G6PD is the enzyme, glucose-6-phosphate dehydrogenase which decomposes ​​H2O2(Hydrogen...

Q: The combined effects of exercise- released catacholamines on insulin and glucagon production are O d...

A: ANSWER) There are various effects of the exercise on the physiological functioning of the body, exer...

Q: How are cell membranes classified according to their permeability?

A: Introduction permeable, semipermeable, and selectively permeable membranes are the four types of mem...

Q: Which of the following cell junctions are involved with anchoring of the cell to the extracellular m...

A: Cell junctions are structures composed by several different transmembrane proteins, whose main funct...

Q: Based on the class data from Experiment I, for each of the three populations, describe the effect of...

A: Key points Genetic drift is a mechanism of evolution in which allele frequencies of a population...

Q: In rock pocket mice of the American Southwest, different extreme traits in mice of the same species ...

A: selection is a process in which certain natural traits are selected in an population that enhance th...

Q: How do we know that DNA methylation is associated withtranscriptionally silent genes?

A: The imprinting is an epigenetic procedure that signifies DNA in a sex-dependent behavior and causes ...

Q: Signaling by soluble extracellular molecules can be classified as endocrine, paracrine, or autocrine...

A: The systems of signalling are classified that are based on the total amount of distance to which the...

Q: How gene therapy used in a treatment? What is the importance of gene therapy in the future? What are...

A: *Gene therapy is  new generation of medicine when a protein is non functional or missing the  functi...

Q: 26. Comparing and tiple allelic with polygenic inheritance. 27. Concept Mapping Complete the concept...

A: A concept map is a diagrammatic representation of interconnections between concepts and ideas. Most ...

Q: Which of the following are useful for reconstructing ancient environments? Group of answer choices A...

A: Option 1 is correct because glacial ice contains dust, air bubbles, or isotopes of oxygen that can b...

Q: please help with these two questions: 1.De novo gene expression is concentrated in the colon a.Tru...

A: Infanticide   Infanticide is the killing of newborn. 

Q: In making squash soup, enumerate the physico-chemical analyses required to determine quality of the ...

A: Squash is basically a herbaceous plant that is belonging to the Cucurbitaceae family grown annually....

Q: What are features of eukaryotes ?

A: Cells are the fundamental unit of life since no living organism can exist without them. A cell is a ...

Q: Males castrated at a young age will show receptive behavior to other males when treated with estroge...

A: There are few points about the gonadal harmones are : The testes in the male and the ovaries in the ...

Q: Glucose-6-phosphate dehydrogenase (G6PD) deficiency is a disorder that affects the normal function o...

A: Introduction: G6PD is an X-linked recessive disorder that results in defective glucose-6-phosphate d...

Q: 20. All primates share the following characteristics except:  A. They all have traits  B. They are...

A: Introduction :  Primates are mammals group.  It includes lemur,  monkey,  apes,  tarsiers,  lorises ...

Q: Essay on Gene Therapy Treatment

A: Biotechnology deals with techniques of using, live organisms or enzymes from organisms to produce pr...

Q: In Figure 5-33, which is the rarest λ genotype producedin the initial lysate?

A: Transduction It is the process with which a virus transmits genetic material from one bacteria to a...

Q: what are the primary, secondary and tertiary treatment of breast cancer?

A: * The main goals of breast cancer surgery is to complete the  resection of  tumor which is primary w...

Q: what can we do to help reduce the amount of pollutants such as CO, SO2, NO2, HCl, NO3 in the atmosph...

A: Introduction: Global warming is the condition that results in an increase in the temperature of the ...

Q: How is sympatric speciation different from allopatric speciation? Group of answer choices Allopatric...

A: Q. How is sympatric speciation different from allopatric speciation? Group of answer choices 1. Allo...

Q: what are the prevention,control and treatment of inflammatory diseases(OA/RA/Gout)?

A: Osteoarthritis:  Osteoarthritis (commonly known as OA) is a prevalent joint condition that primarily...

Q: In Figure 5-2, in which of the four processes shown can acomplete bacterial genome be transferred fr...

A: Conjugation, transformation, and transduction are the types of horizontal gene transfer mechanisms w...

Q: In a longitudinal study, 100 children born on the same day were sampled in a population of interest,...

A: Fitness: it is frequently used to define the ability of individuals or population in terms of surviv...

Q: What chemical substances compose the plasma membrane?

A: Plasma membrane This is involved in the protection of intracellular components from the external env...

Q: In a longitudinal study, 100 children born on the same day were sampled in a population of interest,...

A: Introduction: A process in which organisms processing certain traits that make them better adjusted ...

Q: 8) Describe the homeostatic mechanisms that Lacy's body would use to counteract the water deficit

A: Two kidneys are present just near the abdomen area. These are bean-shaped. They are the most essenti...

Q: Type I fibers are only recruited in light repetitive movements like postural adjustment and slow wal...

A: The muscle fibres have a specialised structure that helps in contraction. Usually the actin and myos...

Q: What are the main morphological differences between monocot plants and dicot plants?

A: Monocotyledons are plants with flower parts that are multiples of three, parallel leaf veins, and ad...

Q: In humans, discoloration of the teeth is controlled by the dentine sialophosphoprotein (DSPP) gene i...

A: DSPP gene that is responsible for discoloration of the teeth is present on chromosome number 4.   I ...

Q: ria reproduce b

A:

Q: Maria just got into a car accident and now cannot feel pain on the right side of her lower body. She...

A: Maria just got into a car accident and now cannot feel pain on the right side of her lower body. She...

Q: Calculate the generation time in a growth experiment in which a medium was inoculated with 5 X 106 c...

A: Generation time is equals to  duration of exponential growth upon number of generation. g= t/n. Gene...

Q: You co-culture the following bacterial strains: an Hfr prototroph and an F- auxotroph for the genes ...

A: During the process of interrupted mating (Hfr x F-), the transfer of genes to the F- strain is direc...

Q: The regulation of mRNA decay relies heavily upon deadenylasesand decapping enzymes. Explain how thes...

A: These classes of enzymes are critical to initiating mRNA decay by decapping of the enzymes that are ...

Q: Calculate the amount of phycocyanin in Sample 1 in mg where A620=0.192 and A650=0.090, taking into...

A: Phycocyanin is a protein-pigment complex that is a member of the phycobiliprotein family. It's a wat...

Q: Write a short essay describing which types of trans-acting proteins bindto which type of cis-regulat...

A: Introduction: Cis-acting sequences are the sequences of DNA in the vicinity of the structural portio...

Q: What are the five primary causes of biodiversity loss? Give one specific example of each

A: Biodiversity loss is caused by five primary major factors: habitat loss: An example of such factor ...

Q: Name on methoud that could have been used to deterine where the DMR are in the figures. And How is e...

A: *DNA methylation is an epigenetic mechanisms that involves in many pathogenic processes for diseases...

Q: Chart the path of urine from the blood to the outside of the body and Why is high blood pressure dam...

A: Introduction The pressure of circulating blood against the walls of blood arteries is known as blood...

Communities and Ecosystems

Ecology contains two words: Eikos means dwelling, and logy means to study, so the combined meaning is studying habitat or living.