Answer:
The heart cells had no received adequate oxygen supply.
[GT.02]Which of these qualities helps scientists to choose appropriate methods to date fossils?
O punctuality
O honesty
O creativity
O modesty
Answer:
I think it is creativity, c
Explanation:
Proteins on the surface of vesicles determine where the vesicles go. Which cell organelle provides the instructions for these proteins?
OA. endoplasmic reticulum
OB. lysosome
Ос. mitochondria
OD
nucleus
Answer:
D. Nucleus.
Explanation:
A cell can be defined as the structural, fundamental, biological and functional unit of life. Cells are found in all living organisms because they are the basic unit of life. A unicellular organism refers to a living organism that possess a single-cell while a multicellular organism has many (multiple) cells.
Some examples of cell organelles found in all living organisms such as trees, birds, and bacteria include; nucleus, cytoplasm, cell membrane, golgi apparatus, mitochondria, lysosomes, ribosomes, chromosomes, endoplasmic reticulum, vesicles, etc.
Proteins on the surface of vesicles determine where the vesicles go.
The nucleus is the cell organelle which provides the instructions for these proteins. It controls all the activities taking place in the cell and the synthesis of proteins.
Define the following terms:
1. Shadow
2. Pinhole camera
3. Screen
Answer:
shadow
Explanation:
a dark area or shape produced by a body coming between rays of light and a surface
Which organization would not have to abide by OSHA guidelines?
a. nuclear plant
b. religious-based corporation
c. family run business with only local employees
d. all organizations must abide by OSHA guidelines
Correct ans: Nuclear plant :)
Answer:
b. religious-based corporation
Which elements are likely to have similar properties to calcium because they have the same number of valence electrons as calcium
Answer:
The correct answer would be - strontium, magnesium, beryllium.
Explanation:
As we know that the number of the same valence electrons is most likely to exhibit similar physical and chemical properties so the elements of the particular group in the periodic table have a similar number of physical and chemical properties and a similar number of the valence electrons.
For example, group 2 elements are known as alkaline earth metals, and strontium, magnesium, beryllium, and calcium are the same group elements thus, they have the same chemical and physical properties as they have 2 valence electrons.
explain how important is the role of the parents during the earlier stage of development?
During follicular phase which hormones have highly secreted in mentrual cycle
Answer: The follicular phase of the menstrual cycle is defined as the first day of menstruation until ovulation. It is initiated by a rise in follicle-stimulating hormone (FSH) levels at the first day of the cycle. This is triggered by a decrease in progesterone and estrogen (which act to inhibit FSH secretion).
Explanation: hope this helps
Question:
Soil is sometimes called a bridge between life and the non-living world. Explain what that means.
es )
Explanation:
The non living things in its environment is called a " matrix,"
A matrix is what supports a non living thing to reproduce, triple its existence & reproduce in mass quantities, like soil bacteria, and others..
Which choice refers to a single population ?
a. The zebras
b. The plants
c. The animals
d. The water
Answer:
guy above me is correct
Explanation:
n rabbits, coat color is affected by a series of alleles with a hierarchy of dominance such that C >Cch>Ch>C. Each allele is dominant over all the alleles listed to its right. C codes for full color, Cch codes for chinchilla, Ch codes for himalayan (white with black extremities) and C codes for albino. A chinchilla rabbit is mated to a himalayan rabbit. Each of these rabbits had one albino parent. What are the phenotypes of the offspring and in what frequencies will they be produced
Describe two types of tumors, and indicate which type is harmful and which is not.
A benign tumor is not a malignant tumor, which is cancer. It does not invade nearby tissue or spread to other parts of the body the way cancer can. In most cases, the outlook with benign tumors is very good. But benign tumors can be serious if they press on vital structures such as blood vessels or nerves. A malignant primary tumor is more dangerous because it can grow quickly. It may grow into or spread to other parts of the brain or to the spinal cord. Malignant tumors are also sometimes called brain cancer.
What is biomass burned to produce
Answer:
Burning either fossil fuels or biomass releases carbon dioxide (CO2), a greenhouse gas. However, the plants that are the source of biomass for energy capture almost the same amount of CO2 through photosynthesis while growing as is released when biomass is burned, which can make biomass a carbon-neutral energy source.
can someone help me right now
What is the term for a number or amount of things?
A. Force
B. Quantity
C. Mass
D. Coordinate
Answer:
B:Quantity
Explanation:
hope this helps
ASAP HELP CER
What you know about DNA and protein CER.
- has to explain the structure and function of DNA and proteins.
Explanation:
DNA is the information molecule. It stores instructions for making other large molecules, called proteins. These instructions are stored inside each of your cells, distributed among 46 long structures called chromosomes. These chromosomes are made up of thousands of shorter segments of DNA, called genes.
the core technique of modern biotechnology is/are
1)chemical engineering
2)genetic engineering
3)both
4)none
Answer:
I'm just guessing it ok I not sure
3)Both
Explanation:
What is the complementary strand of DNA for the following strand of DNA: ATTCTAGGCTCG
Answer:
TAAGATCCGAGC
Explanation:
I believe this is the answer, A and T are complimentary and C and G are complimentary.
Very rapid (i.e. in 1-2 seconds) responses to maintain normal blood pressure during a sudden decrease in blood volume by hemorrhage can be initiated by Group of answer choices secretion of ADH from the posterior pituitary. vasoconstriction of capillaries. baroreceptors in the aortic arch. vasodilation of precapillary sphincters. Two of the answers are correct.
Answer:
vasoconstriction of capillaries.
baroreceptors in the aortic arch.
Explanation:
Vasoconstriction of capillaries and baroreceptors in the aortic arch are the two quick responses of body to maintain normal blood pressure during hemorrhage. Vasoconstriction is very necessary for lowering acute blood loss during hemorrhage means escape of blood from a ruptured blood vessel as well as maintain body heat and arterial pressure. The function of baroreceptors is to respond to the change in the tension of the arterial wall when blood pressure changes.
After studying prokaryotic and eukaryotic cells, what do scientists believe?
Answer:
Scientists believe that mitochondria evolved from aerobic, or oxygen-consuming, prokaryotes. ... Eukaryotic cells also contain a variety of structures and organelles not present in prokaryotic cells.
9. Which nucleus has role in conjugation in Paramecium
a) Mega nucleus
b) Micronucleus
c) Macronucleus
d) Cellular nucleus
( b ) Micronucleus has role in conjugation in paramecium.
The organism's germ line genetic material is kept in the micronucleus. It is in charge of the genetic rearrangement that takes place during conjugation and generates the macronucleus (cross-fertilization). Thus option B is correct.
What Micronucleus role in conjugation in Paramecium?The pairing and subsequent fusion of two paramecia is a process known as conjugation. It is known as a cytoplasmic bridge where they converge. After meiosis, the diploid micronucleus divides into four new micronuclei. The micronuclei of the cell, all except one, break down.
This method doesn't include meiosis or nuclear fusion. It manifests in a single person in the manner described below: Macronucleus deteriorates and vanishes. Eight nuclei are produced after the two micronuclei divide twice through mitosis.
Therefore, Micronucleus has a role in conjugation in Paramecium.
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g Classify the statements as describing deoxyribonucleic acid (DNA) or ribonucleic acid (RNA). DNA RNA is a single molecule that can be over 10,000,000 nucleotides long is usually double stranded includes the base thymine can be translated into a protein is the genome for prokaryotic organisms is usually single stranded includes ribose sugar is a single molecule that can form a complex secondary structure
Answer:
DNA:
- is a single molecule that can be over 10,000,000 nucleotides long
- is usually double stranded
- includes the base thymine
- is the genome for prokaryotic organisms
RNA:
- can be translated into a protein
- is usually single stranded
- includes ribose sugar
- is a single molecule that can form a complex secondary structure
Explanation:
Deoxyribonucleic acid (DNA) is the hereditary genetic material of both prokaryotic and eukaryotic organisms, while RNA is the genetic material of many viruses. DNA is a double helix molecule composed of four types of nucleotides: a nitrogenous base (Adenine, Thymine, Cytosine and Guanine), a five-carbon sugar (i.e., deoxyribose), and a phosphate group. On the other hand, RNA is usually a single-stranded molecule whose nucleotides contain ribose sugars and Uracil bases replace Thymine bases. During translation, a type of RNA molecule referred to as messenger RNA (mRNA) is used as template to direct the synthesis of a polypeptide chain (protein). This RNA molecule can fold to form stable double-stranded RNA hairpins (i.e., secondary structures).
Plants, like all organisms, adapt to the conditions of their environment. Some special challenges a plant may face are drought, flooding, and a salty environment. Your task is to identify and describe ways that plants adapt to these challenging conditions in their environment. Select one plant adaptation to drought, one adaptation to flooding, and one for salt tolerance. Explain how each adaptation enhances plant survival. Identify a scholarly source of information for each
Answer:
Hydrophytes is flood tolerant plants, barley is salt tolerant crop and sorghum is a drought tolerant crop.
Explanation:
Hydrophytes also known as flood tolerant plants that have adaptations to survive flood problems. The plant has the development of air spaces in the roots and stems which allow diffusion of oxygen from the aerial portions of the plant into the roots. Barley shows a greater degree of salt tolerance by applying method of osmoregulation which helps the plant to tolerate salt stress. Sorghum is a plant that is adapted to drought condition. These plants have less number of stomata and waxy layers on the leaves which lowers the rate of evaporation or transpiration.
Answer:
C,B
Explanation:
What does a recombination frequency of 50% indicate regarding linkage?
Answer:
Explanation:
A recombinant frequency significantly less than 50 percent shows that the genes are linked. A recombinant frequency of 50 percent generally means that the genes are unlinked on separate chromosomes. The remainder of this chapter focuses mainly on linked genes and recombinants arising from crossing-over.
Answer:
A recombinant frequency significantly less than 50 per cent shows that the genes are linked.
Explanation:
A recombinant frequency of 50 per cent generally means that the genes are unlinked on separate chromosomes.
Why is it important for nitrogen to be more abundant in our atmosphere than oxygen?
A. Oxygen is only breathable if diluted with nitrogen.
B. Nitrogen and oxygen combine to produce weather that is essential for life.
C. Oxygen must be diluted because it is a highly combustible gas.
D. Nitrogen is a heavy molecule that pulls oxygen, a light molecule, to the surface for oxygen-dependent life to use.
Answer:
Oxygen must be diluted because it is a highly combustible gas
Explanation:
Oxygen will burn without nitrogen in our atmosphere
Dominique is a chemist and has just discovered a new drug that interferes with the Calvin Cycle of photosynthesis. They believe this drug is going to be awesome because it will allow the light reactions to run forever, while just stalling out the Calvin cycle. Terry disagrees, saying that any drug that stalls Calvin will ultimately inhibit the light reactions, too. Who is correct and why
Answer:
Terry is right.
Explanation:
Any drug that stalls Calvin will ultimately inhibit the light reactions because the Calvin cycle and light reactions are interconnected. The light reactions provide CO2 to the Calvin cycle while on the other hand, the Calvin cycle provides sugars to light reaction in order to produce ATP molecules from it so if Calvin cycle stops no sugar is provided to the light reaction for generating ATP molecules.
The region of the stem nearest the seed.
Answer:
B. Hypocotyl
Explanation:
3. How do nutrients and other materials move in fungi?
Answer:
Nutrients and other materials from the environment are absorbed through mycelia. The branching mycelia have a high surface-area-to-volume ratio which allows the absorption of nutrients to be more efficient. Fungi may even digest nutrients by releasing enzymes into the environment.
Explanation:
I have a strange feeling that this isn't the answer you were looking for.
What does GAC code for?
Answer:
DNA codons
Explanation:
Answer:
Aspartic acid
Explanation:
Complimentary base = CTG ( or CUG )
Inclusion bodies may contain which of the following?
Polyhydroxybutyrate
Ribosomes
DNA
RNA
Inclusion bodies may contain Ribosome, DNA, and RNA. The correct option is B, C, and D.
What is an inclusion?It is a type of body that is present in neurons, tissue cells, and like red blood cells, bacteria, viruses, etc. It is a type of protein.
These bodies contain or store fats and sugars in animals and in plants it store glycogen.
Thus, the correct options are B, C, and D.
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Check all of the following mechanisms by which early colonizers may positively impact the occurrence of other species through succession. Check All That Apply Early colonizing trees that establish a new habitat may block the sun, inhibiting smaller weeds from colonizing the habitat.Early colonizing trees that establish a new habitat may block the sun, inhibiting smaller weeds from colonizing the habitat. Colonization by plants may provide habitat, facilitating colonization of animal species.Colonization by plants may provide habitat, facilitating colonization of animal species. Early colonizing plants may increase the nutrient level of the soil, facilitating the colonization of other plant species.Early colonizing plants may increase the nutrient level of the soil, facilitating the colonization of other plant species. Animal colonizers may increase pollination of some plant species, facilitating their colonization.Animal colonizers may increase pollination of some plant species, facilitating their colonization. Plant species may alter the chemical composition of the soil, inhibiting other plant species.Plant species may alter the chemical composition of the soil, inhibiting other plant species.
Answer:
Colonization by plants may provide habitat, facilitating colonization of animal species.
Early colonizing plants may increase the nutrient level of the soil, facilitating the colonization of other plant species.
Animal colonizers may increase pollination of some plant species, facilitating their colonization.
Explanation:
The plants provides habitat as well as food to organisms that helps in the colonization of that organisms because every organism needs food and living place for its survival. Some plants increase the nutrient level in the soil through fixation of nitrogen which leads to the colonization of other plant species in that environment. Some animals causes pollination of plants which helps them in their colonization so all these organisms have a positive impact on the occurrence of other species.