A gardener accidentally trims the leaves of a green plant too short. The leaves are now much smaller. He notices that the plants grow more slowly than it used to. Which sentence best explains why the plant grows more slowly?
A - The plants has too many thylakoids in its cells
B - The plant now gets too much sunlight to be healthy.
C - The platn has more cholorplast in its cells
D - the plant has less cholorphyll to produce energy.
PLEASE HELP!!!
Mendel crossed two plants that were heterozygous for purple flower color. Which genotypes could he have used to represent the cross?
A. PP PP
B. Pp Pp
C. pp pp
D. Pp PP
The answer would be B. Pp'Pp.
Energy from food must be transformed into the bonds of _________ before it can be used by cells.
a.atp
b.gnc
c.nadp eliminate
d.cellulose
If the gene for a trait is carried on an x or y chromosome, it's a _______ trait. dominant sexlinked codominant polygenic
Which of the following adaptations is characteristic of animals in the alpine biome?
Answer: just pick c
Explanation:
Animals in the alpine biome are adapted to the cold with insulating fur or fat and efficient oxygen use, and have compact body shapes to conserve warmth.
Explanation:An adaptation characteristic of animals in the alpine biome includes having thick fur or fat layers that provide insulation to retain body heat in the cold environment. Also, due to a scarcity of oxygen at high elevations, these animals may have adaptations that allow for more efficient oxygen uptake and use. Additionally, alpine animals are often robust and have shortened limbs, reducing their exposed surface area and helping to conserve warmth.
The _____ demonstrates the cell theory because it develops cells that fuse to form one giant cell, making up the whole organism. cork slime mold bacteria archaea
Answer:
Slime Mold
Explanation:
Describe the efficiency of energy transfer between trophic levels in an ecosystem and discuss how deforestation may affect energy flow through the global ecosystem.
what goes wrong during the cell cycle in cancer cells?
Gene mutations cause cancer by speeding cell division or blocking normal system mechanisms like cell cycle arrest or programmed cell death.
What are cancer cells?Cancer is a disease that is caused when cells divide in an uncontrolled manner and spread into the tissues that are in close proximity to them. DNA can become damaged, which can lead to cancer. The majority of mutations that can lead to cancer occur in specific regions of DNA known as genes. Alterations of this kind are also referred to as genetic alterations.
There is an imbalance in the number of chromosomes present in many cancer cells; as a result, there may be an excessive number of chromosomes or an inadequate number. The term "aneuploid" refers to the state of these cells. During the process of replicating DNA, mistakes can happen, which can lead to mutations and even the potential development of cancer.
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Can you place the stages of mitosis in correct order?
Alf lifts weights vigorously for 25 minutes. A few hours after exercise, he notices that his muscles are sore and slightly swollen. His muscle cells have experienced ______________ that led to production of _______________.
Answer:
anaerobic respiration; lactate
Explanation:
T or F
SELECTIVE PERMEABLE membranes allow only certain materials to pass through them T or F
SELECTIVE PERMEABLE membranes allow only certain materials to pass through them
The exchange of oxygen for carbon dioxide occurs in the:
What type of mutations do not result in evolution?
-genetic mutations in reproductive cells
-somatic mutations
=mutations that have been inherited
Answer:
somatic mutations
Explanation:
"Not all mutations are evolutionarily important. Somatic mutations occur in body cells and cannot be passed down from parent to offspring. Cancer, for example, is a mutation of body cells which causes unrestrained growth. Although cancer can be deadly for an individual organism, it is not passed from one generation to another. Only mutations in reproductive cells, like eggs and sperm, matter in evolution because they can be inherited by offspring."
How is the DNA described and what does this mean?
Final answer:
DNA, or Deoxyribonucleic acid, is the hereditary material shaped like a double helix and contains the genetic instructions for the development, functioning, growth, and reproduction of all known organisms. It is organized into 46 chromosomes in humans. DNA's structure allows it to encode the information needed to build and maintain an organism, making it essential for inheritance, coding for proteins, and the genetic instructions for life.
Explanation:
Deoxyribonucleic acid, or DNA, is the hereditary material in humans and almost all other organisms. Nearly every cell in a person's body has the same DNA. It is described as a double helix, which looks like a molecular spiral staircase, and in humans, it is organized into 46 chromosomes. This genetic material is responsible for storing and passing genetic information from one generation to the next.
Think of DNA as the blueprint for an organism, containing instructions for building and maintaining an organism's cells. It dictates everything from your eye color to the type of enzymes your body produces. Half of your DNA comes from your mother and half from your father, making your DNA unique except in the case of identical twins.
The central dogma of molecular biology explains that DNA is organized into genes, which specify the sequences of messenger RNA (mRNA). These mRNA sequences then determine the amino acid sequence of proteins, which make up your cells and perform numerous functions in your body.
Why is clearcutting an especially damaging forestry practice for species that rely upon older trees for their survival?
a.
Clearcutting removes all trees in a stand, old and young.
b.
Clearcutting specifically removes older trees in a stand.
c.
Clearcutting forces younger trees to mature faster.
d.
Clearcutting is not a damaging forestry practice.
What is the name for the process in which an ovary releases a ripened egg each month
Ovulation is the name for the process in which an ovary releases a ripened egg each month.
What is an Ovulation?Ovulation is defined as the process in which a mature egg is released from the ovary, after its release the egg travels down the fallopian tube and remains there for 12 to 24 hours, where it can be fertilized.
The process of ovulation begins when the hypothalamus which is a part of the brain releases gonadotropin-releasing hormone (GnRH) which causes the pituitary gland which is told in the brain to secrete follicle-stimulating hormone (FSH) and luteinizing hormone (LH). Progesterone levels that peak 6-8 days after ovulation, even when the woman is not pregnant.
Thus, Ovulation is the name for the process in which an ovary releases a ripened egg each month.
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Which species is most closely related to the origin moth species?
Answer: Lack of information
Explanation:
You need to give the full question with options to select. As I don't know the answer I can explain Species C 14 is wrong.
Here is the full question:
A scientist is trying to determine how closely related a moth species (Species Z) is to four other moth species (Species A, B, C, and D). He examined the DNA of each species and compared it to the study subject. He then created this table.
Species # of genetic differences
Species A 12
Species B 3
Species C 14
Species D 28
Which species is most closely related to the moth species (Species Z)?
- species A
- species B
- species C (X) Not the answer
- species D
Recent genetic studies have blurred the lines between moths and butterflies, showing that they may not have a true divergence. Moths like the Marbled emperor may share close relations with some butterfly species. The case of the peppered moth demonstrates industrial melanism and the dynamic nature of evolutionary processes within the Lepidoptera order.
Recent genetic studies suggest that moths (Sub-Order Heterocera) and butterflies (Sub-Order Rhopalocera) may not have a true divergence between them, as some species previously classified separately show close genetic relations. The Marbled emperor moth, for instance, which evokes the image of an owl, might be more closely related to certain butterfly species than to other moths. This information comes from a broader understanding of the phylogeny of insects, which is supported by cladograms showing evolutionary relationships.
The phenomenon known as industrial melanism further illustrates the adaptive nature of moths. The example of the peppered moth, Biston betularia, vividly demonstrates this. Before the Industrial Revolution in England, the typically light-patterned peppered moths blended in with lichen-covered trees, avoiding predation. With rising pollution, darker moths had an advantage, and their population numbers surged by the late 19th century. This real-time observation of a population's adaptive response points to shared evolutionary pressures and similarities within the Lepidoptera order, which encompasses both moths and butterflies.
Which statement best describes the relationship of photosynthesis and energy?
The process of photosynthesis is energy-storing because the process converts light energy into chemical energy, which stored in the bonds of glucose.
The process of photosynthesis is energy-releasing because the process converts light energy into free energy that can be used for cell functions.
The process of photosynthesis is energy-conserving because no energy is used throughout the process of forming glucose and oxygen molecules.
The process of photosynthesis is energy-wasting because photosynthesis is ineff
Answer:
Explanation:
B
Insolation is a term used to describe the energy that reaches the earth coming from the Sun.
True
False
Answer:
true
Explanation:
my quiz answers of 7/7 says so
Need help with these questions! Will give brainliest answer/thanks/5 star
ASAP (15 points)
In which of the following ways are the conditions around deep sea vents similar to the conditions that existed on early Earth?
A) Only ultraviolet light can reach the depth of the deep sea vents making it much like the light on early Earth.
B) The volcanic gases released from the deep sea vents are similar to those released into the early atmosphere.
C) Water around the deep sea vents contains low concentrations of iron sulfide just as the early oceans did.
D) The water at the depth of the deep sea vents were as cold as the early oceans.
Answer:
The correct answer is B. The volcanic gases released from the deep sea vents are similar to those released into the early atmosphere.
Where are the macronutrients located on a nutritional label? A. on the left B. on the top C. on the bottom D. on the right Please select the best answer from the choices provided.
The correct answer is option B. on the top.
The nutrition label is the table present on every edible item. This table shows the amount of the nutrients present in the edible item. There are standard protocols, which are followed to write the quantity type and amount. On the top of the nutrition label, after serving size, the macronutrients are listed. After macronutrients, the micronutrients are listed. On the left side, the type of nutrient is written and on the right side the amount of the nutrient present is written.
Macronutrients are important substances that are present on the top of a nutritional label.
Further Explanation:
Micronutrients are vital elements that are essential to the body for the development and survival of the body. The three main macronutrients are fat, carbohydrate, and protein. All the macronutrients play a crucial role in providing energy in the form of calories. Proteins are a type of macromolecule that has a different variety of functions for the cell. These are polymers of amino acids that are linked together by peptide bonds. The proteins serve as the bodybuilding molecules, as well as the enzymes that aid in several biochemical reactions in the body. Immunoglobulin is a protein that protects the body from a different type of pathogen, and also, insulin is a cell-signaling molecule. They offer almost four calories per gram to the body. Carbohydrates and lipids offer four and ten calories per gram respectively.
A person can collect information regarding micronutrients by analyzing the nutritional table of the edible product. All the manufacturers of the product follow the usual protocol to mark the type and amount of the nutrient. They are placed on the top of the nutritional table because they are essential for the body. The total quantity of the nutrient is printed on the right side and the type of the nutrient is printed on the left hand.
Learn more:
1. Learn more about the mitosis https://brainly.com/question/6462270
2. Learn more about the menstrual cycle https://brainly.com/question/723944
3. Learn more about the meiosis https://brainly.com/question/94813
Answer Details:
Grade: High School
Subject: Biology
Chapter: Food and Nutrient
Keywords:
Protein, carbohydrate, fat, energy, calories, gram, quantity, nutrient, energy, body, develop, survive, macronutrient, required, listed, product, lipid, nutrition label.
Which of these animals is a marsupial?
a. horse
b. opossum
c. platypus
d. whale
20 POINTS MORE THAN ONE ANSWER
Which examples of artificial selection are caused by human activity without people even realizing it?
A. an increase of tuskless Asian elephants because of ivory poaching
B. growing human organs from pig stem cells because of increased research on stem cell therapy
C. a decrease in rams’ horn size because of hunters’ preference for long-horned rams
D. cows producing milk with more protein because of genetic engineering
E. chickens producing more meat because of selctive breeding
Answer:
A and C
Explanation:
Which is a true statement about electromagnetic waves?
A. Even though you cannot feel them, you are always being showered by them.
B. You can always feel them interacting with you.
C. Electromagnetic waves are never dangerous.
How can an increase in biodiversity lead to an increase in ecosystem stability?
a.) A more biodiverse ecosystem is not subject to change.
b.) A more biodiverse ecosystem has a higher chance of adapting to species changes.
c.) A more biodiverse ecosystem has fewer species types to balance.
d.) A more biodiverse ecosystem is subject to fewer natural disasters
Answer: Option B
Explanation:
A biodiversity can be defined interaction between the biotic and abiotic components on earth which helps in the serving the human beings with resources.
The more diverse the biodiversity is more stable it will be. A diverse biodiversity will be adapt more easily to the changes.
Diploid cells have homologous chromosomes. true or false
The Punnett square for a non-freckled parent and a homozygous freckled parent is shown below. What is the probability that their children will have freckles? a 100% b 50% c 0% d 75%
F F
f Ff Ff
f Ff Ff
Answer:
Option A, [tex]100 \\[/tex]%
Explanation:
Let the allele for non freckled trait be represented by “f”
The allele for freckled trait be represented by “F”
Let us consider that freckled trait is dominant over the non – freckled trait.
The genotype for a non – freckled parent will be “ff”
The genotype for a homozygous freckled parent will be “FF”
When a cross is carried out between a non – freckled parent and a homozygous freckled parent , the following offsprings are produced –
f f
F Ff Ff
F Ff Ff
Thus, all the four offsprings have heterozygous genotype. Since we assumed that freckled trait is dominant over the non – freckled trait, all the offsprings would be freckled.
Thus, the probability of a child having freckles would be
[tex]\frac{4}{4} * 100\\= 100\\[/tex]%
Thus, option A is correct.
Plants make their own food. The chemical reaction for this process is shown in the equation below. CO2 + H2O + energy C6H12O6 + O2
What are the products in this chemical reaction?
A. C6H12O6 + energy
B. C6H12O6 + O2
C. CO2 + H2O
D. H2O + energy
Answer:
B. C6H12O6 + O2
Explanation:
The process of photosynthesis is exhibited by plants to make their own food. They trap the carbon dioxide and form organic food, that is, glucose in presence of sunlight. The process of photosynthesis uses the energy of sunlight and gives off oxygen as by-product. Hence, glucose (C6H12O6) and oxygen are the products of the process of photosynthesis.
Cells in the nervous tissue of animals transmit signals across a space called
a.