Plants are highly dependent upon the resources of their enviroment. Explain how the lack of water directly affects photo system II and not photo system I And how this will then lead to cell death.

Q: When molecular biologists carry out a PCR, they have a range of different DNA polymerase enzymes on…

A: Polymerases α, δ, and ε are most active in dividing cells, suggesting that they function in…

Q: 1) In the intracellular fluid, The TOTAL concentration of cations exceeds that of anions. True or…

A: Fluids can be extracellular and intracellular.

Q: Antibiotics are effective in killing: A. harmful bacteria, such as those that cause food poisoning…

A: Antibiotics are antimicrobial medications derived from other organisms (such as moulds, fungi, and…

Q: _is the study of the process of what happens to biological remains after an organism dies. This is…

A: Stratigraphy is the study of arrangement of rocks in layers or strata. Primatology is the study of…

Q: Which of the following species lived at the same time as modern Homo sapiens? O Homo habilis O Homo…

A: Homo floresiensis

Q: Which of the following occurs within the submucosa in most regions of the Gl tract: Select one: a.…

A: Introduction The intestinal mucosa is the inner lining of the digestive tract, and it is in intimate…

Q: 1. Viruses differ from bacteria in that they: O require a host cell O utilize the infected cell's…

A: Viruses are acellular organisms that lie stop the border of living and non living. They are like non…

Q: To analyze: Imagine the length of the maize ears which has narrow sense heritability (h²) of 0.70 A…

A: Heritability refers to the degree to which genetic variation influences phenotypic variance in…

Q: 15. Which of the following will NOT promote speciation between populations of the same species? a…

A: Ans: Speciation is an evolutionary pathway of creating new distinct species from the ancestral…

Q: Archaeologists and Paleoanthropologists often look for evidence of early hominins by studying…

A: Answer : Option (1) is correct, - taphonomy.

Q: ex. Locate any woodland or forest area close to your home. Create a 10 x 10 m quadrat once you've…

A: We have to complete the task with the help of some techniques. Here some searches are required to…

Q: 51. Pyramids of energy, biomass and numbers can be inverted in some ecosystems, particularly in…

A: A graphical depiction of the biomass or bioproductivity at each trophic level in a particular…

Q: Give a major disadvantage of RAPD as a DNA marker. Provide one (1) recommendation on how to address…

A: Introduction RAPDs are random sequence DNA fragments generated by PCR using short synthetic primers…

Q: Epigenetic changes in chromatin remodelling  which selectively PREVENTS transcription Acetylation…

A: DNA is the store house of genetic information. This genetic information is expressed as protein…

Q: Elucidate the fundamental challenges the aquatic vertebrates and terrestrial vertebrates face in…

A: Terrestrial Vertebrates:  Land-based (land-dwelling) Non-native Vertebrates (animals having a…

Q: Based on what you know about cells of the immune system and the material presented in Chapter 6,…

A: As per our company guideline we are supposed to answer only first question. Kindly repost other…

Q: What are some common problems in poultry farming? How can they be addressed?

A: Poultry farming may have the following but not limited to these problems: Poor technical management…

Q: After 30 PCR cycles, there will be more than 1 billion short products derived from each starting…

A: Polymerase chain reaction (PCR) is the procedure by which a specific region of DNA is amplified to…

Q: In a population, describe the result of inbreeding. Whether inbreeding leads to the change in the…

A: Introduction Inbreeding occurs when closely related organisms mate. Inbreeding is also defined as an…

Q: Is the one-gene-one polypeptide hypothesis true for prokaryotes and eukaryotes?

A: The one gene-one enzyme theory is the possibility that genes act through the enzyme production, with…

Q: effect of increasing nucleocytoplasmic ratio during cleavage formation?

A: Cleavage Cleavage is defined as the embryological cell division. The resulting cells after cleavage…

Q: Which of the following is not true of the lymphatic system? a. Oxygen is transported to body tissues…

A: Introduction The spleen, thymus, lymph, lymph nodes, and lymph vessels make up the lymphatic system.…

Q: 1. The recipient's of organ transplants can acquire some of the behavior and emotional traits of…

A: Neurons have been discovered in important organs like the heart, kidney, and liver. Transferred…

Q: CHANGES IN THE DIGESTIVE SYSTEM: give a 2-3 sentence description of the NORMAL function of the…

A: Digestive system is mainly responsible for digestion and absorption of food. It occurs in the…

Q: Compare the reproductive organs of reptiles and birds. How are their reproductive patterns…

A: Reptiles Reptiles are cold-blooded animals that have vertebral columns at their backs. These animals…

Q: Myosin motor proteins are NOT involved in which of the following? Regulating the mitotic organizing…

A: Myosin are involved in cancer cell migration.  Myosin can act as signalling molecule in calcium…

Q: The relationship of free-energy change (AG) to the concentrations of reactants and products is…

A: Introduction Adenosine 5′-triphosphate (ATP) is an essential "energy molecule" found in all living…

Q: Your friend is convinced his calico cat is male. He takes the cat to the vet. Sure enough the cat is…

A: Calico is a type of coat color where the cats express both orange and black spots on their coat. The…

Q: why are underground storage organs like onions, carrots, cassava, potatoes, etc high in carbs and…

A: Underground storage organs (USOs) are an important food source for many people around the world.…

Q: The gene provides instructions for making a protein called polycystin-2 Group of answer choices PKD2…

A: Introduction :- Polycystin-2 is thought to work as a channel in kidney cells, spanning the cell…

Q: To determine: The reason why captive-breeding programs that reintroduce species into natural…

A: The difference between species is known as biodiversity (biological diversity). Biodiversity occurs…

Q: Part of genes that are cut out of mRNA Group of answer choices Exons Small interfering RNAs Promoter…

A: Introduction Ribonucleic acid is a polymeric molecule that serves a range of roles in biology,…

Q: Suggest one possible way to effectively conserve declining diversity

A: Ecosystems provide foods, medicines, and energy, they regulate nutrient recycling and waste, they…

Q: What are morphogens? Explain how they influence tissue patterning during embryonic development.…

A: Zygote is the first cell of a human being it is formed by the fusion of male and female gametes.…

Q: Another way how the expression of a gene can exceed the normal pace is if a person has more than one…

A: Gene expression is the process through which information from a gene is utilized in the synthesis of…

Q: Biology In your own words describe how antisense RNA is used to regulate translation. Include…

A: RNA is the genetic material in viruses, bacteria, mitochondria and chloroplast. In human beings and…

Q: Flatworm parenchyma cells that are stem cells: O A. pigment cells B. fixed parenchyma cells O C.…

A: Introduction Any phylum of flatworms, also known as platyhelminths. Platyhelminthes are a group of…

Q: Lare a kind of stone tool only made by modern humans. These tools are made of small stone fragments…

A: Stone tools:  In the broadest definition, a stone tool is any instrument constructed totally or…

Q: PI3K is a cancer activating molecule because of what molecular function? It works to directly…

A: PI3K is normally engaged by being directly activated by the regulatory subunit linked to the active…

Q: Question 4. Discuss some of the aspects of whale feeding ecology that are revealed in their skull…

A: The study of the environment and how different organisms live in that environment with other…

Q: To determine: Whether ribosomal RNA genes were "born" perfect.

A: Ribosomes are complicated organelles that play a role in protein synthesis in all living cells. They…

Q: To determine: The way in which invasive species contributes to the biodiversity crisis.

A: The biological variety and variability of life on Earth is usually defined to stated as…

Q: 1. a. What is PCR? Explain/relate its importance in DNA marker analysis. 1.b. What are restriction…

A: A restriction enzyme is a bacterial protein that cleaves DNA sequences at sequence-specific sites,…

Q: How would inhibiting the acetylcholine receptor, histamine receptor, and the K+/H+ proton pump…

A: Our body requires a large amount of energy to manage the daily needs which are obtained through the…

Q: Compare and contrast the different vertebrae (cervical, thoracic, lumbar and sacrum, and caudal).

A: The question is based on the differentiation between different types of vertebrae.

Q: What are all the possible genotypes of a round, yellow pea? Select all that apply. O RRyy V RrYY O…

A: Dihybrid Cross:- A dihybrid cross is a cross between two people with two different genes controlling…

Q: Which of the following statements is MOST TRUE about the fern life cycle (for the majority of…

A: Ferns's life cycle has 2 stages one is gametophyte and the other is sporophyte out of this one is…

Q: Is integrated pest management technique is better than using only one type of pest technique?…

A: IPM is the new method to prevent the pests from destroying our food that is growing anywhere in our…

Q: QUESTION 1 What function does an MRNA 5' Methyl cap have? O a. Prevent degradation. b. Allow…

A: Introduction Translation:- It is the process by which a cell makes proteins using the genetic…

Q: You were given flies, you decided to determine their genetic make up. You counted approximately 360…

A: Frequency of recombination = (Number of recombinant /total number of progeny ) * 100 Homozygous…