Grapes growing on a vine are observed to shrink slightly during the day and increase in size at night. This is because: a. developing fruits, such as grapes, transpire a lot of water to stay cool.
b. photosynthesis to produce sugar occurs in the light, but respiration and, therefore, the growth of new cells occurs mostly in the dark.
c. in leaves, phloem flow to growing sinks only occurs when the stomata are closed, because the transport capacity of the xylem is too small to supply water for both transpiration and phloem flow.
d. during the day, transpiration pulls on the water in the whole plant, causing the grapes to shrink slightly.

Answers

Answer 1

Answer:

Answer:

b. photosynthesis to produce sugar occurs in the light, but respiration and, therefore, the growth of new cells occurs mostly in the dark.

Explanation:

Photosynthesis is the means by which green plants produce their foods by the use of sunlight, chlorophyll and carbon dioxide.

During the day, the grape make use of the process, photosynthesis, to get its sufficient food, thus the reason for the slight shrink. But at night, it respire well and new cells are produced. So that its size increase a bit.

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Which method(s) can be used to join double-stranded breaks in DNA? (choose all that apply)a. homologous end joining
b. polymerase chain reaction
c. homologous recombination
d. Non-homologous end joining

Answers

Answer:

Option (a) and (d).

Explanation:

The breaks in DNA molecule may occur due to replication error and oxidizing agent. The double-stranded breaks in DNA can be corrected by Homologous end joining and non homologous end joining.

Homologous end joining is used to repair the DNA present in G2 nad S phases of the cell cycle. The homologous sequences of DNA is used to repair the DNA. Non homologous end joining occurs in the cell present at G0 and G1 phase of the cell cycle. The DNA broken ends are juxtaposed and later rejoin together by DNA ligase.

Thus, the correct answer is option (a) and (d).

What is the density of an object with a mass of 40g and a volume of 5mL

Answers

Answer:

m = V × ρ

= 5 cubic meter × 40 kilogram/cubic meter

= 200 kilogram

Explanation:

In some states, the highway patrol uses planes carrying radar devices to monitor traffic. As the plane flies over traffic, the radar device can tell the officers how fast each car is moving at that moment in time. The radar device determines the car's

Answers

Answer: Radar is a highly upgraded electromagnetic device or technology that helps in determining where an object is located, at what distance it is, and also determines the speed and direction at which an object is moving, and at what angle it is.

It is generally used by the traffic police, for controlling the speed limit of a vehicle or motorbikes in any countries.

It determines the car's velocity, commonly known as speed.

A biological perspective would be least helpful for explaining the: a. prevalence of schizophrenia throughout the world.
b. fluctuations in mood experienced by those suffering a bipolar disorder.
c. fear of snakes experienced by a high percentage of Americans.
d. dramatic increase in reported cases of dissociative identity disorder during the past 40 or so years.

Answers

A biological perspective would be least helpful for explaining the D. dramatic increase in reported cases of dissociative identity disorder during the past 40 or so years.
I'm assuming this is the correct answer because it is the only option which deals with a disorder over time, whereas the other options are at the present moment.

Final answer:

The dramatic increase in reported cases of dissociative identity disorder over the past four decades is least likely to be explained from a biological perspective, compared to biologically-linked issues like schizophrenia or bipolar disorder.

Explanation:

A biological perspective would be least helpful for explaining the dramatic increase in reported cases of dissociative identity disorder during the past 40 or so years. This is because the sudden increase in reported cases is less likely to be due to changes in biological factors—which tend to be more stable over time—and more likely to be due to changes in diagnostic criteria, public awareness, or even social factors. In contrast, the prevalence of schizophrenia, fluctuations in mood experienced by those suffering bipolar disorder, and even common phobias, like the fear of snakes, have more direct connections to biological mechanisms such as genetic risk factors, neurotransmitter imbalances, and evolutionary predispositions.

Learn more about Biological Perspective Limitations here:

brainly.com/question/29617233

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Draw three water molecules and label any parts or interactions

Answers

Answer:

The roman numerals in blue are the labels I will write below.

Explanation:

i. lone pair of electrons on oxygen atom

ii. covalent bond between oxygen and hydrogen

iii. partial charges that are due to oxygen's high electronegativity. Oxgen will pull the pair of electrons in the covalent bond towards itself and that obtaining a partial negative charge, while hydrogen obtains a partial positive charge.

iv. hydrogen bonds between partially negative oxygen and partially positive hydrogen.

PS. EACH WATER MOLECULE CAN MAKE UP TO 4 HYDROGEN BONDS. ONE WITH EACH HYDROGEN AND TWO FOR EACH ELECTRON LONE PAIR ON OXYGEN. (refer to the middle water molecule in the diagram)

Final answer:

Draw three water molecules and label their parts and interactions, including the hydrogen bond.

Explanation:

Draw three water molecules, each consisting of two hydrogen (H) atoms and one oxygen (O) atom.
Label the parts of each water molecule:
- The two hydrogen atoms as 'H'.
- The oxygen atom as 'O'.
Label the interactions between water molecules:
- The hydrogen bond between the hydrogen atom of one water molecule and the oxygen atom of another water molecule.