please choose statements/concepts that relate to SCIENCE that begins with letter X X letter should include: The word/phrase you associate with that letter A short paragraph elaborating it definition or brief introduction of the chosen word/phrase

Q: Herbert Spencer coined the phrase “survival of the fittest”. True or False

A: Introduction: Darwin proposed 'theory of natural selection'.According to this theory, Variation is t...

Q: Determine the Evolutionary Relationship of Human to Other Primates and Vertebrates using a Phylogene...

A: The pattern of branching in a phylogenetic tree reflects how species or other groups evolved from a ...

Q: Illustrate the mechanism of hydrolytic and oxidative rancidity. Do not forget to label the important...

A: Rancidity is a broad term that refers to the rotting of food to the point where it becomes unfit for...

Q: . In human brown eyes are dominant over blue eyes. What type of offspring would you expect if you cr...

A: A trait is a characteristic that is unique to particular individual . A monohybrid cross is a cross ...

Q: In vitro translation systems have been developed inwhich specific RNA molecules can be added to a te...

A: DNA (deoxyribonucleic acid) is first transcribed to form mRNA (messenger ribonucleic acid) which is ...

Q: Centrioles at opposite end of cell Spindle fibres attached to centromeres 46 double stranded chromos...

A: Human cells diploid 2n have 46 chromosomes then they organized into 23 pairs. 22 autosomal and 1 pai...

Q: In corn, kernel color is governed by a dominant allele for white color (W) and by a recessive allele...

A: Hardy Weinberg principle is used to determine the frequency of alleles in a given population. The fo...

Q: • The bacteria were identified as Pseudomonas aeruginosa, a free-living bacteria found widely in soi...

A: Cystic Fibrosis is a hereditary condition that mostly affects the lungs, but also the pancreas, live...

Q: Most mammalian cells have a single immobile cilium called the primary cilium, in which intraflagella...

A: Intraflagellar transport (IFT) is the process by which proteins are transported into cilia. It cause...

Q: biomolecules

A: A biomolecule ,molecules present in organisms that are essential to one or more typically biological...

Q: Explain the 3 stages of cellular respiration. Why is ATP so important?

A: Each and every organisation is madeup of cells, the unit of life. The organism is unicellular or a m...

Q: Which of the following is NOT an intermediate filament?   A. keratin   B. titan   C. nuclear l...

A: Intermediate filaments:- Intermediate filaments are very stable structures that form the true skelet...

Q: Describe how the increase in oxygen affected the existingorganisms and how it set the stage for the ...

A: ANSWER:  During the late Proterozoic era, i.e between 700-550 million years ago there was a sudden s...

Q: It's ecology, i need to draw a chart to solve this tho. Thank you! I'll leave a thumb up You are qua...

A: There are 4 possible competitive situations depending on carrying capacity and competition coefficie...

Q: Eusociality and haplo-diploidy, in ants and bees, are often (though not always) correlated because… ...

A: The correct answer is (C):a worker can have more of her genes passed on in a new sister than in an o...

Q: A homologous trait between birds and mammals can be found in the shared layout of the forelimb bones...

A: Comparative anatomy is the study of structure , of the function of the structure, and of the ranges ...

Q: 8. In garden peas, round peas are dominant to wrinkled peas. If you crossed a homozygous dominant an...

A: Introduction: Dominant allele is able to express itself even in the presence of its recessive allele...

Q: Bacteria can best survive low pH and dryness by producing ____________. Group of answer choices Endo...

A: Introduction :- Bacteria have cytoplasm, ribosomes, and a plasma membrane, just like eukaryotic cell...

Q: Deduce what the six wild-type codons may have been inthe mutants that led Brenner to infer the natur...

A: Codons – AGA, UAA, and UAG are three-letter sequences of mRNA nucleotides that correspond to specifi...

Q: MODELLING HUMAN MITOISIS ACTIVITY In SOMATIC CELLS INTERPHASE (G,> s G,) Cell membrane • Nuclear mem...

A: During interphase, the cell grows and the nuclear DNA is duplicated

Q: Which of the following would be found inside a bacterial cel? inclusion Onucleiod Ofagella cytoplasm...

A: Bacteria is the single celled microorganisms with prokaryotic cell have no nucleus and other membran...

Q: plates normally show a 10-fold decrease in colony number through the dilutions, e.g. 500 on Plate D,...

A: Serial dilution is a process to make culture more concentrated for examination.  This is majorly don...

Q: 40. The process of removal of redundant synapses that results in a streamlined process of rapid cogn...

A: A) Cellular differentiation:- It is a process through which cells acquire different structures and f...

Q: The two mutations we observed were ebony body and vestigial wings. Could the type of mutation affect...

A: *Ebony is a autosomal recessive trait but it is not sex linked so the F1 progeny of ebony will not b...

Q: SPECIMEN   LEAF MODIFICATION SPECIALIZED FUNCTION   Allium cepa Leaf base: Leaf stalk: Shape of leav...

A: Allium cepa It is commonly known as an onion or bulb onion. It is a vegetable and is the most cultiv...

Q: What are possible  gametes of a heterozygous  round yellow parent  R (red) r (brown) Y (pink) y ( gr...

A: Gamete It is a sex cell, a haploid egg or sperm. It is one of the differentiated cells that is a pro...

Q: DON'T CANCEL I WILL UPVOTE LETTER M please choose statements/concepts that relate to SCIENCE that ...

A: Cells are the structural units of living beings. Cells have organelles for proper functioning of bod...

Q: Based on the data in the table below, determine whether mutualism will evolve in Species 1 and Speci...

A: * Mutualism an interaction between two species in which both species will get benifits. *Examples ar...

Q: The allele for red Reather color in pigeens b this is dominant to the allele fer brrown fealthers, b...

A: Alleles are the alternative forms of a gene present on same locus on homologous chromosomes.  If any...

Q: Sex-linked inheritance refers to: O the inheritance of genes that influence expression of phenotypic...

A: Introduction: A genetically determined characteristic or condition is known as trait. It is the char...

Q: Describe at least three to five other limiting factors (other than the number of predators or prey) ...

A: Describe at least three to five other limiting factors (other than the number of predators or prey) ...

Q: Neurotransmitters must pass from an axon terminal to the next dendrite by crossing a fluid-filled sp...

A: Neurons facilitate communication in the brain. A neuron is made up of dendrites (receives informatio...

Q: Describe the reaction oh Hatch-Slack (enzyme names are not required). While doing so make sure to su...

A: C4 Pathway It was Hatch and Slack , who discovered the C4 pathway in 1966. Plants that are adapted t...

Q: Photosynthesis can be impacted by shifts in environmental conditions, most notal by high light inten...

A: The three fundamental sorts of photosynthesis are C3, C4, and CAM (crassulacean corrosive digestion)...

Q: In snapdragons, flower color shows incomplete dominance.  Plant height (tall or short) is a standard...

A: Introduction: Incomplete dominance is a form of intermediate inheritance in which one allele for a s...

Q: Make a diagram showing the application of recombinant dna in the field of agriculture, medicine and ...

A: Recombination DNA technology has done Marvels in every field it uses vectors to transfer genetic com...

Q: Which of the following accurately describes the structure of the DNA molecule? contains four bases a...

A: Introduction :- DNA is the molecular name for the molecule in all living things that conveys genetic...

Q: In a plant, green is dominant over white leaf; long is dominant over round shape. a. How many total ...

A: According to our guideline we can answer only the first question (upto first three subparts). The qu...

Q: Give the NADH, ATP and FADH production from each part of photosynthesis?

A: "Answer: Plants being living creatures also need food for their survival and by the use of sunlight ...

Q: The Levant is a region, now underwater, that served as a land bridge during the last glacial maximum...

A: Our ancestors migrated into Eurasia using the Levant region from Africa, this region's most importan...

Q: Question 1 Which factors affect soil quality? A all of these B) history of the soil © presence of li...

A: Stomata:Stomata are cell structures found in the epidermis of tree leaves and needles that help plan...

Q: Write a model describing a situation analogous to that of the LPA model (with cannibal- ism), but su...

A: The LPA model is a three dimensional system of nonlinear difference equations that has found many ap...

Q: What is the Rh factor?

A: Introduction Blood types are determined by the presence or absence of particular antigens on the sur...

Q: Measure helght from bottom of upside-down inner tube to the top of the layer of bubbles glucose fruc...

A: Different types of sugars are fermented by yeast such as glucose, fructose, sucrose, and only in wat...

Q: How do plants and animals' chemical control systems work?

A: Changes in the environment surrounding living organisms cause them to react and respond. Stimuli are...

Q: 40. The process of removal of redundant synapses that results in a streamlined process of rapid cogn...

A: Synapse is a neuronal junction, the site of transmission of electric nerve impulses between two neur...

Q: what are some applications of recombinant dna technology?

A: Introduction :- The combining of DNA molecules from two distinct species is known as recombinant DNA...

Q: Two scientists calculated the membrane potential of a neuron using two different equations, the Nern...

A: The membrane potential is the difference in electrical charge between the inside and outside of a ce...

Q: A diploid cell has 4C genetic material and 16 chromosomes at the start of cell division. Identify th...

A: Every cell divides to form daughter cells through a process called as cell division . There are two ...

Q: (a) Name the following : (i) The phenomenon by which living or dead plant cells absorb water by surf...

A: A cell is the smallest unit of life. It is divided into two types: prokaryotic and eukaryotic. A cel...

Pre-Darwinian Concepts