Q: What feature do all ‘protists’ have in common that differentiates them from fungi, plants and animal...
A: R H whittaker gave the five system classification of organisms. It includes monera , protista , fung...
Q: The principle of uniformitarianism… Group of answer choices A-was the same as the theory of catastro...
A: The principle of uniformitarianism states that the processes and forces that are observed at the ear...
Q: The intercalary meristems help in increasing the length of the internode of monocots. a. True b. Fa...
A: Plants generally grow from the top. Meristematic cells are specialized cells that remain undifferent...
Q: Julie is studying the clearing of tropical rain forests in Brazil. The land is being cleared for far...
A: An ecosystem is essential to all life. Ecosystems rely on all of their elements to function properly...
Q: What are the defferent mechanism the egg employed to ensure that only one sperm cell will fertilize ...
A: Polyspermy is a fatal condition in which several sperm nucleus engage with the female nucleus. Hence...
Q: How is natural selection different from “survival of the fittest”?
A: The expression "survival of the fittest" comes from Darwinian evolutionary theory and refers to how ...
Q: Will stop cell growth of Archaea Will stop cell growth of LAB (yes/no/maybe) Explain your answer Str...
A: Bacteria are found almost everywhere on the earth. The cell structure of the bacteria is simple, the...
Q: Onion Draw 4 cells under LPO and I cell under HPO. Label the visible parts.
A: 1. In microscopes, LPO means Low Power Objective and the power of the LPO is 10X. 2. HPO means high...
Q: QUESTION 52 An organism is discovered that thrives in both the presence and absence of oxygen in the...
A: Hello Dear Students, Q 52. The correct option is (c) i.e, must utilise a molecule others than oxyge...
Q: Identify each of the following as an example of MICROEVOLUTION or MACROEVOLUTION.Then， state whether...
A: Evolution is the basic process of life. Organism evolves now and then. The evolution is expressed in...
Q: Discuss the need for conservation for biological resources paying attention to ethic and cultural co...
A: Introduction: Biological diversity or biodiversity is the occurrence of several types of ecosystems,...
Q: The structure on this list which will NOT be found in any bacterial cell is: Cytoplasm Flagella Nucl...
A: Animal, plant, fungi, bacteria, algae, protozoa are different types of organisms. Some organisms are...
Q: Oxidative phosphorylation only occurs in the Electron Transport Chain. True False
A: The cellular respiration is very important process and occurs in every living cells of an organisms ...
Q: Photosynthesis Notes Word Bank (Some words can be used more than once!) chlorophyll carbon dioxide c...
A:
Q: Darwin realized that variation among ___________ was how selection occurred, ultimately causing c...
A: It is believed that in due course of time, the ancestral species living in different regions of eart...
Q: Describe the internal structure of Cartilagenous fish.
A: Around thousand of cartilaginous fish are classified into two subclasses: the first incorporates sha...
Q: Which of the following statements about linkage disequilibrium is false? a.) A new mutation first...
A: Linkage disequilibrium (LD) is defined as the non-random association of alleles at different loci. I...
Q: Fill in the missing table and construct a cladogram for the group Character A-outgroup Amphioxus ...
A: The cladogram is a evolutionary tree that graphs the familial connections among organisms. , cladogr...
Q: where do the products and reactants of photosynthesis come from
A: Ans- Photosynthesis is the process by which plants use sunlight, water, and carbon dioxide to create...
Q: 3. Which type of nitrogen gas is the most abundant in Earth's atmosphere, and is transformed into bi...
A: Question - Which type of nitrogen gas is the most abundant in Earth's atmosphere, and is transformed...
Q: Plants balance water loss against photosynthesis by controlling the opening of its stomata as a resp...
A: 1. High 2. Medium 3. Low
Q: How mang sister chromatids are found in a single human cell undergoing Prophase II of Meiosis?
A: Meiosis is a reduction division. Number of chromosomes gets reduced by half in daughter cells. Meios...
Q: Which of the following statements is NOT true about evolution?
A: Evolution is the study of origin of life on earth.
Q: Autosomal Recessive Problem: What is probability of individual 2 III in pedigree 1 and individual 1 ...
A: Autosomal recessive disease occurs when both the alleles are mutated. 2 heterozygous parents will p...
Q: which plant is far from earth?
A: Pluto before And now Neptune is the farthest planet from earth.
Q: Why are plant steroids called sterols?
A: NOTE-"As per our honor code, we are authorized to answer only one question at a moment. As you have ...
Q: Five different strains of E. coli (1, 2, 3, 4 and 5) were streaked onto a series of tester plates. A...
A: Biochemical pathway will be as- MM- MM+C - MM+A - MM+B - CM Hint- the more the positive signs of th...
Q: UNDERSTANDING CALORIES (1) A calorie, also known as kilocalorie, is a unit of energy. This unit repr...
A: Energy is a necessary component without which we cannot carrying out any activity. Energy is essenti...
Q: 2. What is the concentration of solute inside the cell? Write this solute concentration inside each ...
A: This is a activity question.
Q: The DNA sequence before the protein coding region that determines when a gene is used is called the ...
A: DNA is the genetic material of many organisms including the humans. The DNA contains information tha...
Q: Which type of PAGE would you use for the following? a.Monitoring the hydrolysis of casein in milk by...
A: introduction When proteins are separated by electrophoresis through a gel matrix, smaller proteins...
Q: Polymerase Chain Reaction (PCR) was invented by Kary Mullis in 1983. This technique had indeed facil...
A: In molecular biology, PCR (Polymerase Chain Reaction) is a common tool which is used in making milli...
Q: What is gene flow defined as? Group of answer choices A-production of new alleles B-chance loss of a...
A: D Exchange of genes between population
Q: 4. All of the following represent problems with international commons, with the exception of: A. rel...
A: When fossil fuels are burned, they release carbon dioxide and other greenhouse gases, which in turn ...
Q: Nearly 4 million years ago, two or three hominins left their footprints across the savanna of modern...
A: Nearly 4 million years ago, two or three hominins left their footprints across the savanna of modern...
Q: A thermophillic bacterium was isolated from a hot spring at Perak to study its thermostable amylase ...
A: DNA technology is the chemical manipulation of the genotype and the resulting phenotype of organisms...
Q: What is the genotype of carrier females, affected males, unaffected males, and unaffected females?
A: The word "genotype" refers to the genetic makeup of a life form as such, it portrays a living being'...
Q: What are the criteria used in the CDC classification of bioterrorism agents?
A: Biological toxins or pathogenic organisms used for terrorist purposes to cause death and disease in ...
Q: Genetic drift a.) All of the answers are correct b.) Reduces genetic variation within ...
A: Answer. Genetic drift is the random change in allele frequencies caused by sampling error across gen...
Q: in this chapter we explored exponential functions, which can be used for, among other things, modeli...
A: In addition to linear, quadratic, rational, and radical functions, there are exponential functions.
Q: what type of scales do bony fish and Lancets have?
A: Lancet fish, both of two types of broadly dispersed, deepwater marine fish of the class Alepisaurus ...
Q: The double-stranded DNA sequence for a bacteria is shown below and it's coding for a hypothetical pr...
A: DNA replication is the process in which DNA itself uses its template strand for making its new daugh...
Q: 3. Determine if the pedigree below can be for a trait that is autosomal dominant. a. Write the genot...
A:
Q: Practice Question Chapter 3 Another source of contamination cheesemakers really worry about are bact...
A: Cheese is a dairy product that is made from the milk of cow, goat, sheep, etc. Cheese making process...
Q: red beetle with genotype AABB is crossed with a yellow beetle with genotype aabb. The heterozygous F...
A: INTRODUCTION Dominant allele is the allele whose character is expressed in the progeny, the recessiv...
Q: A codon is: three amino acids on a polypetide that are snipped off by the helicase enzy O sets of nu...
A: There are total of 64 codons coding for Amino acids.
Q: The three pka values for the amino acid astrophan are: 1.9, 7.5, and 9.3. Calculate the isoelectric ...
A: Given pKa's of three groups COO- ,R and NH3+ as 1.9,7.5 and 9.3 respectively. Also given protonation...
Q: Another source of contamination cheesemakers really worry about are bacteriophages. Entire batches o...
A: Bacteria are referred to as single-celled microbes with simple organization and there are no true nu...
Q: 3. Briefly describe what can be considered some abnormal cytological changes A. nuclear size and sh...
A: A cytology test is a test that determines the structure and function of the cells from the sample co...
Q: In the Procedure section, you are cautioned to be sure that the opening of the vacuum adapter is kep...
A: Vacuum adapter is a part of the distillation unit which helps the condensed gas to pulls down by gra...
Step by step
Solved in 4 steps
- Which of the following statement(s) is/are TRUE? a. yeasts are unicellular fungi b. molds and mushrooms are filamentous fungi. The filaments are chains of cells called "hyphae" C. most protozoa are unicellular, animal-like members of Domain Archaea, many of which are motile and lack cell walls d. algae have historically been described as "plant-like" protists because they contain chloroplasts and cell walls e. organisms which make chlorophyll a can perform oxygenic photosynthesis f. all organisms which make chlorophyll a have chloroplasts g. Nostoc, algae and plants all make chlorophyll a and all have chloroplasts h. Nostoc, algae and plants have mitochondria which evolved from primitive endosymbiotic bacteria i. Photoautotrophs perform photosynthesis and chemoheterotrophs require pre-formed organic molecules as a source of carbon and energy j. Cyanobacteria, algae and plants are photoautotrophs. Fungi, protozoa and animals are chemoheterotrophs k. Most bacteria, all fungi, all algae…How can scientists determine that multicellularity arose more than once in different lineages? Select one: a. Scientists do not know b. Bacteria live as multicellular groups called biofilms c. Animals are more closely related to single-celled eukaryotes than to fungi d. Fungi can produce multicellular structuresWhich of the following is NOT true about the Charophycean green algae? a. They generally have plasmodesmata. b. They are freshwater algae. c. They produce motile sperm. d. The generally have gametangia. e. They generally have phragmoplasts. part ii Molecular phylogenies provide strong support for a sister group relationship between the ______________________and land plants. a. Zygnematales b. Klebsormidiales c. Charales d. Chlorokybales e. Coleochaetales
- You have discovered a photosynthetic protist that lives in fairly deep water (for example, 250 m deep). To which of the following groups should this organism be classified? A. diatoms B. green algae C. red algae D. cercozoanWhich of the following is not true about green algae? A. They are a morphologically diverse group B. They are the closest living relatives of land plants C. The group includes the most recent common ancestor and all the descendants D. They share several morphological similarities with land plantsWhich of the following protist exhibit the discoid type of mitochondrial cristae? A. trypanosoms B. diatoms C. oomycete D. brown algae
- Which of the following is NOT true of protists? Select one: a. Some are unicellular. b. They may be photosynthetic. c. They are usually aerobic, though some are not. d. They may have cell walls. e. They may be prokaryotic.Which of the following statements is the MOST compelling argument that fungi are more closely related to animals than plants? A. Plants have chloroplasts whereas fungi and animals cells do not. B. Plants fix carbon dioxide from the air; fungi and animals use pre-existing organic molecules. C. The DNA sequences of ribosomal RNA of fungi share more homology with ribosomal RNA from animals than plants. D. Both animal and fungal cells are eukaryotic.Why is the classification of protists based on DNA sequences considered useful? a. Because only protists have DNA b. Because genetic sequences have confirmed the traditional categories of protists c. Because DNA reveals evolutionary relationships, even among organisms that look different d. All of the above are correct.
- Compare the phylogenetic tree of protists with the secondary endosymbiosis theory which proposes how photosynthetic protists evolved. Are both reconcilable? Explain.Fungi are not classified as Plants primarily because they: a. are prokaryotes b. need high moisture c. are chemoheterotrophic d. reproduce sexuallyIn the Latin name Canis lupis , the "Canis" is the name of the corresponding: a. Species c. Genus 1. b. Family d. Wolf only 2. The most primitive type of bacteria, which can live in extreme environments belong to the kingdom: a. Eubacteria c. Protista b. Archaebacteria d. Animalia Kingdom Fungi and Kingdom Animalia have which of the following in common a. both have eukaryotic cells b. both reproduce sexually c. both reproduce asexually d. Neither are heterotrophic 3.