Please need help with this biology question (photo)

Answer:

I believe the answer is C.

Explanation:

Coniferous plants (= cone bearing) carry seeds in their cones. This leads me to believe the answer is C because cones do not move water, nutrients, or hold soil.

Answer:

C.Cultivation of grapes

Explanation:

That is correct

Answer:

grapes

Explanation:

no balls

Bacteria are classified into five groups according to their basic shapes:

1.spherical shape (cocci) :

e.g Staphylococcus aureus grows best in an aerobic environment but it can also live in anaerobic conditions (without oxygen).

2.rod shape (bacilli):

3. spiral (spirilla) :

4.comma (vibrios) or corkscrew (spirochaetes):

They can exist as single cells, in pairs, chains or clusters.

Microorganisms can be classified according to their oxygen requirements necessary for growth and survival:

Obligate Aerobes: (oxygen required)

Facultative: (grow in the presence or absence of oxygen)

Microaerophilic: (grow best at very low levels of oxygen)

Aerotolerant Anaerobes: (oxygen not required for growth but not harmful if present)

Obligate Anaerobes: ( grow only in complete absence of oxygen; if present it can be lethal)

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Answer:

Many hazards are present in the farm. If the farmers are not aware of these hazards these may cause injury to their body or may cause diseases and even death. Farmer should always apply appropriate safety measures while working in the farm.

Explanation:

Answer:

Dominant

Explanation:

Since there are only two options for the color of the parrot and it is assumed that it can only be one or the other, it cannot be incomplete dominance or co-dominance. And if the heterozygous parrot, which is Xx, is pink then the allele specifying the pink color must be dominant

Answer:

B is the answer

Explanation:

This is a correct description of how a vaccine works in the body.

Answer:

If there is more than on child.

Explanation:

It is possible for twins to have different fathers in a phenomenon called heteropaternal superfecundation, which occurs when two of a woman's eggs are fertilized by sperm from two different men. Ordinarily, a woman becomes pregnant because one of her eggs has been fertilized by sperm.

Answer: Antibiotics are chemicals which, in low concentrations, can selectively kill or inhibit the growth of most pathogenic bacteria and are not harmful to humans.

Explanation:

Neosporin is a type of antibiotics which is used for the treatment or prevention of mild superficial infections. It consists of three active component, hence the name Triple antibiotic ointment. These active components, their mode of action and side effects include:

--> NEOMYCIN : This is one of the active components of Neosporin which inhibits the protein synthesis of an invading pathogenic bacteria through irreversible binding to the 30 S ribosomal subunit of susceptible bacteria. Their MODE OF ACTION is bactericidal meaning that the effect it has on the protein synthesis inhibits it's growth leading to the death of the bacteria.

SIDE EFFECTS: it can cause irritation, burning, itching, rash redness when applied topically.

--> POLYMYXIN: This is one of the active components of neosporin which attacks the invading pathogenic gram negative bacteria. In its mode of action, is the ability to combine with and disorganise structures of the bacterial cell which are responsible for the maintenance of the osmotic equilibrium of the cell thereby exposing the underlying peptidoglycan layer to lysozyme.

SIDE EFFECTS: Burning, redness, or irritation of the skin may occur.

--> BACITRACIN: This is also one of the active components of Neosporin. In its mode of action, it inhibits bacterial cell wall synthesis. This is achieved by preventing the final dephosphorylation step in the phospholipid carrier cycle, which interferes with the mucopeptide transfer to the growing cell wall.

SIDE EFFECTS: it may cause rash, itching/swelling (especially of the face/tongue/throat).

These three active components of Neosporin are combined to broaden the antibacterial spectrum. This means that at least one of the active components will effectively kill an invading pathogenic bacteria through its unique mode of action.

Explanation:

The way the planet is being treated now most likley the air will become even more polluted and our planet will be filled with twice as much trash and litter then what we started with.

Answer: SCIENCE

Explanation:

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Answer:

cell wall protect the cell of plants

Answer:

Producer

Explanation:

A plant that creates it's own food is called an autotroph however it's usually called a producer instead :)

Answer:

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Answer:

2nd one is the most realistic of what occurs in ecosyystems

Answer:

TH, Th, tH, th

Explanation:

This question involves two genes; one coding for tail length and the other for head shape. According to this question, an organism has the genotype: TtHh.

In accordance to the law of independent assortment, which states that alleles of one gene will segregate independently of one another. The meiotic division of the organism, will occur in such a way that only one allele of each gene is present in any GAMETE.

The possible gametes for the genotype: TtHh are: TH, Th, tH, th

Answer:

Photosynthesis, the process by which green plants and certain other organisms transform light energy into chemical energy. During photosynthesis in green plants, light energy is captured and used to convert water, carbon dioxide, and minerals into oxygen and energy-rich organic compounds.

Answer:

It happens because the leaves trap the sunlight energy

Explanation:

When the leaves trap this sunlight energy and combines with the carbon dioxide and water it goes through photosynthesis. This turns the sunlight energy and other resources it collects to energy (sugars) that the plant will use to grow and support itself. It then releases oxygen as a waste which is what humans use. We exhale carbon dioxide that the plants need so while they help us we also help them.

Answer:

Photosynthesis

I hope this helps!

Explanation:

Answer:

Interphase

Explanation:

Cells grow and make a copy of the DNA

Answer:

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Explanation:

Answer:

This will make the undertow return to the sea with greater intensity and violence.

Explanation:

Undertow is the movement of the wave in contrast to the sea, that is, it is the movement of the waves on themselves, which makes the sea very agitated, especially when these waves return to the sea with a lot of violence and force. Although this violence and force can be caused by the wind, extra-large breakers can also cause this effect, because the impact of the waves on the breakers, pushes the waves into the sea with more force, making them more violent and intense.

Answer:

The complete glycolysis and citric acid cycle pathway is shown in diagram.

# Reactions of glycolysis that –

I. Consumes ATP       = 1, 3

II. Produces ATP        = 7, 10

III. Consumes NAD+ and produces NADH = 6

IV. Consumes FAD and produces FADH2 = none

# Reactions of TCA that –

I. Consumes ATP       = none

II. Produces ATP        = 6

III. Consumes NAD+ and produces NADH = 4, 5, 9

IV. Consumes FAD and produces FADH2 = 7

Explanation:

Answer:

relaxed packaging of the chromatin and increased transcription.

Explanation:

Genetics can be defined as the scientific study of hereditary in living organisms such as humans, animals and plants.

A nucleotide can be defined as an organic molecule which forms the building block of nucleic acid such as deoxyribonucleic acid (DNA) and ribonucleic acid (RNA).

Basically, nucleotide comprises of the following parts;

1. Nitrogenous base: this includes adenine (A), thymine (T), guanine (G), and cytosine (C) which are mainly found in the DNA while adenine (A), guanine (G), uracil (U) and cytosine (C) are found in the RNA.

2. A phosphate group.

3. A penrose sugar: it is either deoxyribose in DNA or ribose in RNA.

The two parts or chemical components of a nucleotide which do not change throughout the structure of DNA are;

I. Five-Carbon Sugar also known as deoxyribose and it has hydrogen on its second carbon.

II. Phosphate: this is the structural backbone that provides support to DNA.

Histones are a group of highly basic proteins that are mainly associated with deoxyribonucleic acid (DNA) in the nucleus of a living organism and are responsible for condensing it to chromatin.

Typically, acetylation of histone tails leads to relaxed packaging of the chromatin and increased transcription.

Transcription can be defined as a process which typically involves re-writing the informations contained within a Deoxyribonucleic Acid (DNA) into a Ribonucleic Acid (RNA) by enzyme RNA polymerase.

Answer:

C. Genetic Modification

Explanation:

The act of modifying existing stands of DNA in a living organism is called, " Genetic Engineering". In this case since this option isn't available C. Genetic Modification is a synonym.

Hope This Helps :)  

Answer:

The correct answer is C) wavelength of light and rate of photosynthesis.

Explanation:

The given question is a famous experiment conducted by T W Engelmann which is called the action spectrum experiment. In this experiment when light passes through a prism it splits into its constituent colors splits into violet, indigo, blue, green, yellow, orange and red.

Aerobic bacteria require oxygen for their survival. The green algae produce oxygen during photosynthesis. Engelmann released aerobic bacteria to it. it is found that the bacteria accumulated at the blue and red light because photosynthesis and oxygen release were higher there. So, it establishes the relationship between the wavelength of light and photosynthesis.

Answer:

All cells are made from the same major classes of organic molecules: nucleic acids, proteins, carbohydrates, and lipids, They provide structure for the body, take in nutrients from food, convert those nutrients into energy, and carry out specialized functions. Cells also contain the body's hereditary material and can make copies of themselves. Cells have many parts, each with a different function.

Explanation:

Answer:

Recessive traits can be carried in a person's genes without appearing in that person. For example, a dark-haired person may have one gene for dark hair, which is a dominant trait, and one gene for light hair, which is recessive.

Explanation: