Enumerate the types of morphogenetic movements employed by vertebrate embryos in gastrulation. Give examples for each type.   Type Drawing Example of structure/organism Invagination     Involution

Q: Joe has the hiccups. The hiccups are periodic spastic contractions of the diaphragm. The diaphragm s...

A: The diaphragm generates the hiccups.  Hiccup is a severe involuntary (spasmodic) contraction of the ...

Q: How many carbon dioxide molecules are liberated after each cycle of the Krebs cycle? For a single gl...

A: Krebs cycle It is also known as the tri-carboxylic acid cycle or citric acid cycle. This cycle takes...

Q: What are the reasons for establishing a clinical laboratory

A: Laboratory  It is a building or room in the building for scientific purpose such as research, experi...

Q: Answer the following questions: If a corn grain is actually a fruit, where is the pericarp? Does a ...

A: Corn or maize is the most commonly eaten cereal which is a bunch of kernels or seeds.  Fruits are de...

Q: 1.3 Considering the atomic structure of DNA shown below, what are the features of the molecule that ...

A: Introduction: DNA stands for 'deoxyribonucleic acid' and it is the hereditary material in humans and...

Q: Why would it NOT be good for your muscle cells to use only anaerobic respiration?

A: Anaerobic respiration occurs without oxygen and releases less energy but more quickly than aerobic r...

Q: The thermodynamic properties governing the surface tension between water molecules and the grains of...

A: *It is given that thermodynamic properties will governs to hold the grain and water to hold together...

Q: What molecule facilitates the bending of the ER membraane when a COPII-coated vesicle is formed on t...

A: COPII assembly at the ER and regulation by cytosolic factors Sec13/31 complex is recruited to the in...

Q: Give the genotype of the parents if their phenotypic ratios are the following. You may use any lette...

A: We will use the letters T and t for representing the gene pairs, where T is dominant and shows tall ...

Q: 1. A nondisjunction is a rare event during meiotic division wherein the homologous chromosomes fail ...

A: The "cell cycle", also known as "cell division", is a set of processes that occur in a cell leading ...

Q: What does selective toxicity mean in regards to how antibiotics work

A:  selective toxicity:- selective toxicity is an ability of antimicrobial agent to harm micro-organism...

Q: Portions of the cytoplasmic domain of many immune system receptors are targets for phosphorylation. ...

A: Immunoglobulins are protein molecules with a variable and a constant region. The variable region is ...

Q: This specific major lipid component of Acid-fast cell wall is a strong "hydrophobic" molecule that a...

A: Answer :- Specific major lipid component of acid-fast cell wall is strong "hydrophobic" molecule tha...

Q: Cholesterol can be packaged into droplets using LDL (low density lipoprotein). Cells that need to ta...

A: Cholesterol can be packaged into droplets using LDL (low density lipoprotein). Cells that need to ta...

Q: How are the metabolic pathways different in lactic acid fermentation and ethanol fermentation?

A: Lactic acid fermentation as well as alcoholic fermentation both occurs in absence or lack of oxygen....

Q: List the enzymes (and their functions) in order which are used for glycolisis

A: Answer--

Q: Using the concepts of trophic levels and energy flow, explain why the ecological footprint of a vege...

A: Tropical levels in a ecological systems makes a ecological balance in the environment. In this ecolo...

Q: Circle the letter of each sentence that is true about evolutionary relationship of organisms? *     ...

A:

Q: Use the diagram to answer the question. Atmospheric Oxygen 1 Atmospheric Carbon dioxide What do the ...

A: Given: An image is given above to label.  Photosynthesis is an enzyme regulated anabolic process of ...

Q: Which of the following is an example of pasteurization?   A surgeon washes her hands before surgery....

A:   Pasteurization :- It is the heat treatment or thermal process in which the harmful microbes or pa...

Q: . Complete the following table by identifying the feedback mechanism involve in the following situat...

A: Endocrine system functions and maintain homeostasis based on the feedback mechanisms . Hormone level...

Q: What is MMR vaccine theory ?

A: The MMR vaccine protects against the measles, mumps, and rubella diseases. The first dose is usually...

Q: A microbe that grows only at the bottom of a tube of thioglycollate medium is probably a(n)   aeroto...

A: Obligate aerobes are those bacteria that grow exclusively in the presence of molecular Oxygen and fa...

Q: If 98 out of 200 individuals in a population express the recessive phenotype, what percent of the po...

A: * It is given that 98 individuals out of 200 individuals in a population shows recessive phenotype. ...

Q: Make a spider key please on the ff organisms asap

A: Spider key is like a dichotomous key.  A dichotomous key is an important scientific tool, used to id...

Q: Activity: Adapting. For each animal or plant, think about where it lives and how il has adapled lo i...

A: Adaptations is a behavior, in which animals adapts with the change in environmental condition which ...

Q: Explain the difference between K-selected species and r-selected species. For each, provide an examp...

A: Introduction:  K- selected species in a population are the ones that fluctuate near the carrying cap...

Q: Explain how bacteria may have antiviral abilities.

A: Viruses are acellular microorganisms that require a cell called the host to replicate. They can infe...

Q: CASE STUDY CONNECTION Describe five ecological changes to freshwater communities in the Great Lakes ...

A: Ecological imbalance, clogging of manufacturing pipes, and eradication of native species are three e...

Q: The life span of white blood cells is Select one: a. none of above b. months to even years C. minute...

A: The components of the blood are plasma and formed elements. The formed elements include RBC, WBC, an...

Q: The five-finger forelimb that all air-breathing vertebrates share is an example of: Group of answer ...

A: Throughout the animal kingdom different phylum possess different characteristics. Some of the charac...

Q: How does the nervous system distinguish between stimuli of different types?

A: The term stimulus refers to a change in the environment that can be detected by a receptor. The rece...

Q: Are the morphological characteristics of a sponge enough to identify it up to the genus level? Why o...

A: Sponges belong to phylum porifera, are simple aquatic invertebrates. Sponge has the simple level of ...

Q: Which of the following is NOT a characteristic for bacteria in general? Plasma membrane has no sacc...

A: The bacteria are prokaryotic organisms that are unicellular in nature and contain primitive nucleus ...

Q: What muscles are necessary for an earthworm to move? 2. If an earthworm is placed to a glass, how do...

A: Introduction: An earthworm is a segmented worm that belongs to the phylum Annelida and is a terrestr...

Q: Describe at least one way that we utilize alcohol fermentation by yeast to make a food or beverage p...

A: Fermentation - In the absence of oxygen, some microorganisms like bacteria and yeast breakdown certa...

Q: Some demographers claim that the total world population has already begun to slow, while others disp...

A: Demographic transition is a long term trend that represents the decrease in birth rate and death rat...

Q: Bdellovibrio would be great to use to treat all human pathogens, but it cannot be used as biological...

A: Based on an experiment conducted in 1992 by Jackson and Whiting, Bdellovibrios is a potential agent ...

Q: What microbial structures are the most resilient forms of life?   Bacterial endospores Enveloped vir...

A: Microbial biology, sometimes known as "Bacteriology," is the study of unicellular bacteria. Bacteria...

Q: True or False?   Presence of Y chromosome along with one X chromosome ensures Beta-catenin accumul...

A: Beta catenin is involved in amphibian  development(embryogenesis) . Amphibian egg (having X chromos...

Q: what happens when the wrist is in flexion while wiggling the fingers?

A: The movement of the wrist to open and close the fingers is explained by the term tenodesis. Our fing...

Q: Hemophilia results from a sex-linked gene. The disease is most common in males, but the hemophilia a...

A:

Q: 1.What are the mechanisms that produce change in populations across generations? 2. How does natural...

A: The physical and functional unit is usually stated to define as they are known heredity is the gene....

Q: Nature of Science Ethical implications of research The use of animals in experiments may generate et...

A:   introduction From the above question and take consideration we have to  explain how changes in tem...

Q: What are some industrial processes that use bacteria What are examples of human diseases caused by b...

A: Bacteria in industries :- Bacteria are used in various industries like food industry, pharma industr...

Q: The cancer gene ras produces mRNA containing an extra exon that includes a number of UAA codons. Can...

A: Ras genes are genes that make proteins involved in cell signalling pathways that controls cell growt...

Q: Match each of the descriptions in Column A with the correct panel listed in Column B. Description Pa...

A: Antibiotics are chemical drugs that act against bacteria and it slows or inhibits the growth of bact...

Q: which antimicrobial drugs are produced naturally?

A: Antimicrobial drugs produced naturally are Biofilms. Biofilm is assemblage of surface -associated mi...

Q: II. Body Weight Determination Pig Cattle - HG: 121 cm, HG: 208 cm BL: 117 cm Method Pig ID# Cattle I...

A: To calculate the weight of animal formula is  HEART GIRTH x HEART GIRTH x BODY LENGTH / 400 = Pig WE...

Q: What is ecosystem?Give its components.

A: Ecosystem : A group or community consists of living and non living organisms and their interactions ...