Q: The field of genetics that studies how gene expression can be affected by signals from the environme...
A: Changes in genes expression can be actuated by external elements like climate ( for example; diet, s...
Q: Give a broad conclusion about the characterize parameters to describe protest and fungi. And the enu...
A: Charateristics of protista: 1: In this cells can have one nucleus or multiple nuclei: ...
Q: You have observed the following data from an aerobic plate count. How many bacteria are in the undil...
A: Colony forming unit or CFUs/ml is the method of counting the viable cells.
Q: Metaphase: As a result of the back-and-forth movement of the spindle fibers that has been occurring ...
A: The metaphase plate is shown by an imaginary line drawn across the cell as a diameter (a line spanni...
Q: MICROGRAPH No. & Letter TYPICAL DRAWING Nucleus & chrön STRUCTURE 10 H Envelope & pores: Nucleus nuc...
A: Function- nucleus and chromatin- Nucleus-The nucleus directs and regulates the cell's functions (suc...
Q: Many of the color varieties of summer squash are determined by two different interacting genes A and...
A: Epigenetics is non allelic interaction between alleles present at different gene locus.
Q: A fluid membrane would contain phospholipids with short, polyunsaturated fatty acids
A: fluidity of the lipid bilayer the optimal value which is prerequisite for normal cell growth and fun...
Q: Phenotypes that are related to the sex can be classified as: sex-linked, sex -limited, or sex-influe...
A: An example for the sex linked trait is the haemophilia. The traits that are carried on the X chrom...
Q: How do enzymes speed up reactions? What is the active site of an enzyme and what does it do? If an...
A: Enzymes are economical biocatalysts and help to increases the rate of a chemical reaction. In the pr...
Q: If microbial life had not evolved, would you be here today? Give one good reason why or why not and ...
A: Introduction Life starts on earth around 3.4 billion years ago, in the ocean. Primitive organism wa...
Q: Which statement about vascular plants is NOT TRUE? They were the first plants to grow tall. They all...
A: It is the largest group in the plant kingdom which lives in dried areas. They have special cells to ...
Q: Question 24 All of the following are phyla found within the classification of gymnosperms EXCEPT fer...
A: Gymonsperm have naked seeds. They don't have ovary wall around seed.
Q: Match the following organelles to their function or analogy. 1. The stores the DNA for the eukaryoti...
A: 1. Nucleus 2. Endoplasmic reticulum 3. Chloroplast 4. Golgi apparatus 5. Ribosomes 6. Cell wall 7. C...
Q: A correlation coefficient of -0.92 indicates that... Two variables strongly change with one another ...
A: The coefficient of correlation depicts the relationship between two variables.
Q: Label the parts of the Plechtranthus Arabicus from the photo below.
A: Plechtranthus arabicus belongs to the Genus - Plectranthus and the Family - Lamiaceae. They are most...
Q: Define active transport
A: All the cells have a cell membrane.
Q: Which of the following lack true roots and leaves? * A. Bryophytes and whisk ferns B. Bryophytes C....
A: Kingdom Plantae consists of all autotrophic plants and is divided into :- A ) Thallophyta B ) Bryo...
Q: A cross in Drosophila melanogaster involved the recessive X-linked genes for white eye (w), yellow b...
A: The largest number are of parental type in three point test cross. The lowest number depicts double ...
Q: 5. Identify the materials cycle being disrupts in the following human activities. a. deforestation- ...
A: Introduction Soil ecosystem is an example of complex ecosystem as it contains a lot of living, non-l...
Q: primary structure of a protein. Use the basic structure of an amino acid and label what type of bond...
A: Proteins are a type of macromolecule found in all living species and play a crucial part in the crea...
Q: Search for any studies about drug formulation issues related to solubility of any existing drug or d...
A: The drug design has led to the development of drugs with higher molecular weight, greater lipophilic...
Q: What effect do you think using a greasy, oily, dirty slide will have on your judgement of the Gram r...
A: Bacteria are the most important microorganisms to the food processor. Some bacteria are beneficial a...
Q: Recent studies show an increase in stay-at-home dads indicating an ongoing change in traditional gen...
A: In 2016, dads made up 17% of all stay-at-home parents in the U.S., up from 10% in 1989, according to...
Q: Sketch and label the primary, secondary and tertiary roots of a typical dicot plant.
A: The dicotyledons, commonly known as dicots, are one of two categories into which all flowering plant...
Q: Explain how crocodilian morphology makes it an ideal ambush hunter
A: Ambush predators or sit-and-wait predators are carnivorous animals that capture or trap prey from co...
Q: Describe how brine pools function
A:
Q: Why is it important to become familiar with the microbiology laboratory's apparatus and equipment?
A: You should always know your lab equipment well before you do any type of experiment because without ...
Q: LPO
A: Introduction Gram-positive bacteria take up the crystal violet stain used in the test, then appear t...
Q: What is the difference between capillary electrophoresis and gel electrophoresis? Give an example of...
A: Capillary Electrophoresis : 1: It is a method of seprating biomlecules into a capillary tube using a...
Q: For each soil type, calculate the average number of warrens investigated in each soil type per regio...
A: Predation The relationship between two different organisms where one gets killed by other to obtain...
Q: How do Schistosoma japonicum differ from other trematodes? How is the Schistosomiasis diagnosed? Wha...
A: Schistosomiasis can be described as a kind of disease which is caused by infection with freshwater p...
Q: Normal Cell Cycle Describe the cell cycle using the following words: 1. Interphase 2. G1 1 3. G2 4. ...
A: A cell cycle is a set of events that occur in a cell as it divides and grows. After that, the cell e...
Q: You want to set up a 1:10 dilution series, so that you can plate a 10-1, 10-2, and a 10-3dilution; h...
A: It is basically done for counting the microorganisms like viruses, bacteria etc from an unknown sa...
Q: Explain common sensory conditions such as visual and hearing impairments and synesthesia.
A: Visual impairment or vision impairment is defined as the limitation of actions and functions of the ...
Q: (Lecture 13 Study Guide, Question #10) Genetic traits on the X-chromosome are called X-linked. Some ...
A: Since, father is with fragile X syndrome and mother is normal, hence Genotype of father is XFY and m...
Q: Choose the words that make the sentence most accurate. When reconstructing phylogenies, you should u...
A: Phylogenetic analysis is basically the study of the evolutionary development of a particular species...
Q: Why must bryophytes inhabit damp environment? It is because * A. their sporophyte generation is dep...
A: Plant kingdom mainly comprises of 5 divisions as algae, bryophyta, pteridophyta, gymnosperm, and ang...
Q: What is meant by science is a human endeavor influenced by society and culture.
A:
Q: HDL cholesterol: A) removes excess LDL cholesterol from the bloodstream B) forms deposits on artery ...
A: High-density lipoprotein (HDL) is considered as good cholesterol which absorbs and transports choles...
Q: codes for a protein that improves the nutrient value of the food
A: Genetically engineered organisms are those which contain genes from some foreign organisms.
Q: A sample of pond water is tested using the most probable number method. There are 3 positive tubes f...
A: Given , 10 mL - 3 positive tube 1 mL - 1 positive tube 0.1 mL - 1 positive tube
Q: 1.Determine the standard deviation around your estimate of the percentage of warrens attacked in san...
A: Standard deviation is the positive square root of the variance. Standard deviation is one of the bas...
Q: Label the parts of the Ficus from the photo.
A: This is the ficus leaf cross section showing epidermis, palisade layer, spongy tissue(mesophyll), st...
Q: Comparison of pathways, Chloroplast vs Mitochondria Photosynthesis and Cellular respiration- in poin...
A: 1. Photosynthesis carried out in chloroplast and is endergonic in nature that means needs energy. 2....
Q: ycosylated proteins and lipids within the plasma membrane are important for Multiple answers A c...
A: Proteins are usually known to be very necessary for the human body because they aid in the formation...
Q: Members of Anthophyta have two key adaptations. They are flowers and fruit. cones and seeds. spores ...
A: Anthophyta is a phylum which consists of angiosperms. Angiosperms are flowering plants.
Q: The lac operon is an operon that is: Group of answer choices A turned off whenever tryptophan is...
A: Operon is a series of Genes. It is polycistronic and mostly present in bacteria.
Q: Questions: 1. What pattern of inheritance is shown here? 2. What characteristic is expressed in the ...
A: Inheritance is the passing the genetic traits from parents to progeny.
Q: What common features do all reptiles share
A:
Q: Compare 2 types of Cell Muscle Pancreas Describe a heart muscle cell Describe a pancreas cell 1. Org...
A: The heart consists of cardiac muscle cells or myocardium. Cardiac muscle cells are located in heart ...
Step by step
Solved in 2 steps
- Answefr the following questions: a.) How many cells thick is the upper epidermis in the leaf structure? b.) Does this layer contain choloroplast? c.) Do cells of the lower epidermis contain chloroplast?1. Explain how leaf surface area is correlated to plant transpiration and photosynthesis. Discuss the impact or consequences of having a small or large leaf surface area, to the overall photosynthetic rate and transpiration rate of a particular plant. 2. Distinguish compound leaves from simple leaves and provide illustrations for better differentiation/ comparison of the two. Please make sure that your illustrations are properly labelled. 3. Discuss the major functions of plant root and differentiate the taproot and fibrous root system. Afterwards, briefly explain the advantage/s and disadvantages of the two root systems in terms of resource (water and nutrients) acquisition. You may include some illustrations/ diagrams to support your discussion.7. a)Tea plants contain several chemical compounds, including tannins and caffeine. What function do both tannins and caffeine perform for tea leaves? b)By what process does water enter the root cells of a plant? c)The blade of the leaf is attached to the stem by a stoma. Is this true or false?
- 30. what parenchyma tissue originates from the ground meristema. protodermb. procambiumc. ground meristemd. pith31. what meristematic area produces parenchyma cells of the cortexa. protodermb. pithc. ground meristemd. procambium1. Sonography A. Define concept B. Brief history of its use C. Technical aspects Yo. physical principle involved ii. Define and correlate with the physical principle to. acoustic impedance b. attenuation C. Echogenicity (differentiate between anechoic, hypoechoic, and hyperechoic tissues) d. Transducer (specify use and suggested type for each species) put reference1. What is the specialized root with asymmetrical secondary thickenings and greater fiber tissues?2. Which part of the orchid root epidermis that functions for gas exchange when the root is saturated with moisture?3. This type of specialized roots is characterized by contorted xylary elements and collapsed cortex: ______________
- Compare the preserved untreated and colchicine-treated onion root tip: a. size b. appearance c. other morphological characterizations1. What pH range indicates soil suitable for most complex plants? 2. What are the general characteristics of each horizon in a soil profile? How are soil profiles important to scientists? 3. What are the most important effects of parent material on soil?1. What general type of cell is specimen 1?2. What specific plastid is present in C?3. What substance is contained in the plastid?4. What is the name of tissue/cells containing the plastids?5. Identify D.6. Name the tissue/cells containing D.7. What substance is contained in D?8. What is the plastid origin of D?9. What cell part is E?
- 6. What type of leaves has a structure that minimizes the harmful effectsa. Scale leavesb. Megasporophyllsc. Bract leavesd. Microsporophyll7. This describes the venation that is rolled from the apex to the basea. Circinateb. Plicatec. Revoluted. Involute8. This arrangement if veins in leas is described as having a primary vein called midveina. Dichotomousb. Reticulatec. Pinnatelyd. None of the choices9. What cells contain numerous chloroplastsa. Collenchymab. All of the abovec. Sclerenchymad. Parenchyma2. A) Define Phototropism. B) Contrast positive and negative phototropism, in terms of phototrophic bending. C) Create an experiment to determine which colors of light cause the most phototropic bending? Please answer in order and label them.1. What is the beneficial effects of silicon? 2. Explain the mechanisms that regulate the ion xylem loading.
